| Date | Overall AQI Value | Main Pollutant | Site Name (of Overall AQI) | Site ID (of Overall AQI) | Source (of Overall AQI) | CO | Ozone | SO2 | PM10 | PM25 | NO2 |
| 01/01/2019 | 52 | PM2.5 | Globeville | 08-031-0028 | AQS | 7 | 43 | 11 | . | 52 | 37 |
| 01/02/2019 | 65 | PM2.5 | Globeville | 08-031-0028 | AQS | 16 | 44 | 4 | 44 | 65 | 58 |
| 01/03/2019 | 57 | NO2 | DENVER - CAMP | 08-031-0002 | AQS | 17 | 45 | 9 | 46 | 55 | 57 |
| 01/04/2019 | 58 | NO2 | DENVER - CAMP | 08-031-0002 | AQS | 17 | 45 | 9 | 51 | 51 | 58 |
| 01/05/2019 | 56 | PM2.5 | DENVER - CAMP | 08-031-0002 | AQS | 19 | 45 | 6 | 37 | 56 | 52 |
| 01/06/2019 | 51 | PM2.5 | Globeville | 08-031-0028 | AQS | 15 | 43 | 4 | 28 | 51 | 44 |
| 01/07/2019 | 76 | NO2 | I-25 | 08-031-0027 | AQS | 13 | 43 | 7 | 46 | 34 | 76 |
| 01/08/2019 | 46 | NO2 | I-25 | 08-031-0027 | AQS | 10 | 45 | 4 | 32 | 40 | 46 |
| 01/09/2019 | 68 | PM2.5 | Tri County Health Dept. Bldg. | 08-001-0008 | AQS | 14 | 43 | 6 | 60 | 68 | 56 |
| 01/10/2019 | 72 | PM2.5 | Tri County Health Dept. Bldg. | 08-001-0008 | AQS | 14 | 36 | 6 | 46 | 72 | 46 |
| 01/11/2019 | 48 | PM2.5 | Globeville | 08-031-0028 | AQS | 11 | 40 | 1 | 10 | 48 | 37 |
| 01/12/2019 | 51 | PM2.5 | Globeville | 08-031-0028 | AQS | 10 | 42 | 1 | 12 | 51 | 41 |
| 01/13/2019 | 48 | PM2.5 | Globeville | 08-031-0028 | AQS | 9 | 44 | 1 | 19 | 48 | 46 |
| 01/14/2019 | 51 | NO2 | Globeville | 08-031-0028 | AQS | 9 | 49 | 3 | 31 | 42 | 51 |
| 01/15/2019 | 62 | NO2 | Globeville | 08-031-0028 | AQS | 13 | 46 | 4 | 47 | 44 | 62 |
| 01/16/2019 | 51 | NO2 | I-25 | 08-031-0027 | AQS | 13 | 42 | 4 | 44 | 47 | 51 |
| 01/17/2019 | 52 | PM2.5 | Globeville | 08-031-0028 | AQS | 15 | 44 | 4 | 47 | 52 | 52 |
| 01/18/2019 | 55 | PM2.5 | Globeville | 08-031-0028 | AQS | 16 | 40 | 4 | 29 | 55 | 51 |
| 01/19/2019 | 47 | NO2 | DENVER - CAMP | 08-031-0002 | AQS | 9 | 40 | 3 | 21 | 46 | 47 |
| 01/20/2019 | 43 | Ozone | Aspen Park | 08-059-0013 | AQS | 10 | 43 | 3 | 20 | 35 | 42 |
| 01/21/2019 | 70 | NO2 | I-25 | 08-031-0027 | AQS | 15 | 48 | 10 | 42 | 59 | 70 |
| 01/22/2019 | 42 | NO2 | Globeville | 08-031-0028 | AQS | 6 | 41 | 0 | 8 | 18 | 42 |
| 01/23/2019 | 63 | NO2 | Globeville | 08-031-0028 | AQS | 7 | 42 | 6 | 20 | 35 | 63 |
| 01/24/2019 | 41 | Ozone | Mines Peak | 08-019-0006 | AQS | 7 | 41 | 0 | 10 | 29 | 41 |
| 01/25/2019 | 58 | NO2 | DENVER - CAMP | 08-031-0002 | AQS | 11 | 44 | 4 | 25 | 54 | 58 |
| 01/26/2019 | 49 | NO2 | Globeville | 08-031-0028 | AQS | 11 | 45 | 1 | 19 | 32 | 49 |
| 01/27/2019 | 47 | NO2 | Globeville | 08-031-0028 | AQS | 6 | 41 | 1 | 15 | 17 | 47 |
| 01/28/2019 | 44 | Ozone | Mines Peak | 08-019-0006 | AQS | 6 | 44 | 0 | 8 | 20 | 43 |
| 01/29/2019 | 66 | NO2 | Globeville | 08-031-0028 | AQS | 13 | 44 | 4 | 26 | 56 | 66 |
| 01/30/2019 | 71 | PM2.5 | Globeville | 08-031-0028 | AQS | 13 | 46 | 7 | 33 | 71 | 64 |
| 01/31/2019 | 61 | NO2 | Welby | 08-001-3001 | AQS | 14 | 46 | 6 | 44 | 55 | 61 |
| 02/01/2019 | 57 | NO2 | Globeville | 08-031-0028 | AQS | 14 | 43 | 6 | 55 | 52 | 57 |
| 02/02/2019 | 50 | NO2 | I-25 | 08-031-0027 | AQS | 11 | 43 | 3 | 33 | 35 | 50 |
| 02/03/2019 | 47 | Ozone | Mines Peak | 08-019-0006 | AQS | 11 | 47 | 1 | 15 | 20 | 44 |
| 02/04/2019 | 51 | NO2 | I-25 | 08-031-0027 | AQS | 8 | 46 | 4 | 33 | 48 | 51 |
| 02/05/2019 | 76 | PM2.5 | DENVER - CAMP | 08-031-0002 | AQS | 9 | 45 | 4 | 51 | 76 | 42 |
| 02/06/2019 | 46 | PM2.5 | DENVER - CAMP | 08-031-0002 | AQS | 9 | 45 | 1 | 10 | 46 | 26 |
| 02/07/2019 | 51 | PM2.5 | Globeville | 08-031-0028 | AQS | 9 | 46 | 4 | 15 | 51 | 51 |
| 02/08/2019 | 99 | PM2.5 | DENVER - CAMP | 08-031-0002 | AQS | 18 | 48 | 9 | 46 | 99 | 85 |
| 02/09/2019 | 87 | PM2.5 | Globeville | 08-031-0028 | AQS | 23 | 48 | 9 | 40 | 87 | 82 |
| 02/10/2019 | 87 | PM2.5 | Chatfield State Park | 08-035-0004 | AQS | 8 | 48 | 4 | 28 | 87 | 46 |
| 02/11/2019 | 72 | PM2.5 | I-25 | 08-031-0027 | AQS | 17 | 46 | 6 | 35 | 72 | 57 |
| 02/12/2019 | 55 | NO2 | Globeville | 08-031-0028 | AQS | 9 | 47 | 3 | 40 | 49 | 55 |
| 02/13/2019 | 60 | NO2 | Globeville | 08-031-0028 | AQS | 10 | 47 | 7 | 58 | 48 | 60 |
| 02/14/2019 | 46 | NO2 | Globeville | 08-031-0028 | AQS | 6 | 44 | 3 | 41 | 35 | 46 |
| 02/15/2019 | 58 | PM2.5 | Globeville | 08-031-0028 | AQS | 8 | 47 | 3 | 40 | 58 | 47 |
| 02/16/2019 | 53 | PM2.5 | Globeville | 08-031-0028 | AQS | 8 | 45 | 3 | 22 | 53 | 37 |
| 02/17/2019 | 46 | NO2 | Globeville | 08-031-0028 | AQS | 6 | 44 | 1 | 12 | 26 | 46 |
| 02/18/2019 | 57 | PM2.5 | Globeville | 08-031-0028 | AQS | 7 | 43 | 0 | 15 | 57 | 26 |
| 02/19/2019 | 74 | PM2.5 | Globeville | 08-031-0028 | AQS | 7 | 46 | 0 | 20 | 74 | 34 |
| 02/20/2019 | 65 | PM2.5 | Globeville | 08-031-0028 | AQS | 9 | 45 | 4 | 45 | 65 | 49 |
| 02/21/2019 | 52 | PM2.5 | Globeville | 08-031-0028 | AQS | 9 | 44 | 1 | 25 | 52 | 46 |
| 02/22/2019 | 70 | PM2.5 | I-25 | 08-031-0027 | AQS | 7 | 47 | 1 | 17 | 70 | 33 |
| 02/23/2019 | 60 | PM2.5 | Globeville | 08-031-0028 | AQS | 7 | 49 | 3 | 19 | 60 | 46 |
| 02/24/2019 | 51 | NO2 | La Casa | 08-031-0026 | AQS | 6 | 50 | 1 | 8 | 18 | 51 |
| 02/25/2019 | 64 | NO2 | I-25 | 08-031-0027 | AQS | 9 | 44 | 7 | 32 | 58 | 64 |
| 02/26/2019 | 99 | PM2.5 | DENVER - CAMP | 08-031-0002 | AQS | 13 | 44 | 4 | 56 | 99 | 52 |
| 02/27/2019 | 72 | PM2.5 | Chatfield State Park | 08-035-0004 | AQS | 13 | 44 | 1 | 22 | 72 | 41 |
| 02/28/2019 | 76 | PM2.5 | Globeville | 08-031-0028 | AQS | 13 | 46 | 6 | 47 | 76 | 62 |
| 03/01/2019 | 58 | NO2 | Globeville | 08-031-0028 | AQS | 10 | 47 | 4 | 32 | 51 | 58 |
| 03/02/2019 | 44 | Ozone | Mines Peak | 08-019-0006 | AQS | 6 | 44 | 0 | 12 | 33 | 21 |
| 03/03/2019 | 52 | PM2.5 | Chatfield State Park | 08-035-0004 | AQS | 3 | 45 | 0 | 9 | 52 | 37 |
| 03/04/2019 | 84 | PM2.5 | DENVER - CAMP | 08-031-0002 | AQS | 8 | 77 | 3 | 32 | 84 | 61 |
| 03/05/2019 | 95 | PM2.5 | La Casa | 08-031-0026 | AQS | 10 | 48 | 3 | 43 | 95 | 65 |
| 03/06/2019 | 153 | PM2.5 | La Casa | 08-031-0026 | AQS | 10 | 80 | 3 | 61 | 153 | 71 |
| 03/07/2019 | 89 | PM2.5 | I-25 | 08-031-0027 | AQS | 10 | 48 | 7 | 33 | 89 | 63 |
| 03/08/2019 | 79 | PM2.5 | Globeville | 08-031-0028 | AQS | 16 | 54 | 7 | 40 | 79 | 61 |
| 03/09/2019 | 48 | Ozone | Chatfield State Park | 08-035-0004 | AQS | 5 | 48 | 0 | 16 | 16 | 25 |
| 03/10/2019 | 44 | Ozone | Aurora East | 08-005-0006 | AQS | 7 | 44 | 0 | 30 | 38 | 42 |
| 03/11/2019 | 58 | PM2.5 | Globeville | 08-031-0028 | AQS | 10 | 44 | 3 | 52 | 58 | 51 |
| 03/12/2019 | 71 | PM2.5 | Globeville | 08-031-0028 | AQS | 10 | 44 | 3 | 51 | 71 | 44 |
| 03/13/2019 | 50 | Ozone | Aurora East | 08-005-0006 | AQS | 6 | 50 | 1 | . | 17 | 24 |
| 03/14/2019 | 50 | Ozone | Chatfield State Park | 08-035-0004 | AQS | 3 | 50 | 0 | 6 | 16 | 31 |
| 03/15/2019 | 54 | Ozone | Chatfield State Park | 08-035-0004 | AQS | 10 | 54 | 0 | 15 | 30 | 47 |
| 03/16/2019 | 54 | Ozone | Chatfield State Park | 08-035-0004 | AQS | 9 | 54 | 0 | 27 | 31 | 49 |
| 03/17/2019 | 54 | Ozone | Chatfield State Park | 08-035-0004 | AQS | 9 | 54 | 1 | 12 | 33 | 49 |
| 03/18/2019 | 48 | PM2.5 | DENVER - CAMP | 08-031-0002 | AQS | 7 | 44 | 1 | 28 | 48 | 38 |
| 03/19/2019 | 55 | NO2 | Globeville | 08-031-0028 | AQS | 7 | 54 | 1 | 31 | 39 | 55 |
| 03/20/2019 | 61 | Ozone | Aurora East | 08-005-0006 | AQS | 6 | 61 | 3 | 41 | 38 | 51 |
| 03/21/2019 | 52 | PM10 | Tri County Health Dept. Bldg. | 08-001-0008 | AQS | 9 | 48 | 4 | 52 | 45 | 52 |
| 03/22/2019 | 49 | Ozone | Aspen Park | 08-059-0013 | AQS | 6 | 49 | 1 | 38 | 39 | 41 |
| 03/23/2019 | 51 | Ozone | Aspen Park | 08-059-0013 | AQS | 3 | 51 | 0 | 10 | 28 | 28 |
| 03/24/2019 | 50 | Ozone | Chatfield State Park | 08-035-0004 | AQS | 6 | 50 | 1 | 17 | 28 | 38 |
| 03/25/2019 | 64 | Ozone | ROCKY FLATS-N | 08-059-0006 | AQS | 6 | 64 | 0 | 23 | 61 | 38 |
| 03/26/2019 | 67 | Ozone | Aurora East | 08-005-0006 | AQS | 8 | 67 | 3 | 60 | 58 | 49 |
| 03/27/2019 | 67 | PM10 | Tri County Health Dept. Bldg. | 08-001-0008 | AQS | 10 | 61 | 6 | 67 | 62 | 61 |
| 03/28/2019 | 57 | PM2.5 | Globeville | 08-031-0028 | AQS | 8 | 46 | 3 | 53 | 57 | 52 |
| 03/29/2019 | 35 | PM2.5 | I-25 | 08-031-0027 | AQS | 7 | 35 | 0 | 7 | 35 | 23 |
| 03/30/2019 | 47 | Ozone | Chatfield State Park | 08-035-0004 | AQS | 3 | 47 | 0 | 9 | 26 | 29 |
| 03/31/2019 | 48 | PM2.5 | Globeville | 08-031-0028 | AQS | 6 | 44 | 1 | 17 | 48 | 41 |
| 04/01/2019 | 51 | Ozone | Aurora East | 08-005-0006 | AQS | 7 | 51 | 3 | 29 | 35 | 40 |
| 04/02/2019 | 54 | PM2.5 | Globeville | 08-031-0028 | AQS | 7 | 41 | 0 | 28 | 54 | 34 |
| 04/03/2019 | 77 | PM2.5 | Globeville | 08-031-0028 | AQS | 8 | 48 | 6 | 54 | 77 | 42 |
| 04/04/2019 | 61 | Ozone | Aurora East | 08-005-0006 | AQS | 6 | 61 | 3 | 44 | 54 | 51 |
| 04/05/2019 | 67 | Ozone | Chatfield State Park | 08-035-0004 | AQS | 10 | 67 | 4 | 51 | 40 | 47 |
| 04/06/2019 | 71 | Ozone | Aurora East | 08-005-0006 | AQS | 8 | 71 | 1 | 29 | 23 | 43 |
| 04/07/2019 | 64 | Ozone | Aurora East | 08-005-0006 | AQS | 7 | 64 | 0 | 18 | 11 | 31 |
| 04/08/2019 | 52 | NO2 | Globeville | 08-031-0028 | AQS | 7 | 50 | 3 | 50 | 33 | 52 |
| 04/09/2019 | 51 | Ozone | Aspen Park | 08-059-0013 | AQS | 6 | 51 | 3 | 50 | 30 | 43 |
| 04/10/2019 | 36 | Ozone | Chatfield State Park | 08-035-0004 | AQS | 6 | 36 | 1 | 13 | 19 | 25 |
| 04/11/2019 | 51 | Ozone | Aurora East | 08-005-0006 | AQS | 5 | 51 | 1 | 9 | 30 | 34 |
| 04/12/2019 | 44 | Ozone | Aurora East | 08-005-0006 | AQS | 3 | 44 | 0 | 13 | 43 | 21 |
| 04/13/2019 | 46 | Ozone | Aspen Park | 08-059-0013 | AQS | 6 | 46 | 1 | 9 | 35 | 30 |
| 04/14/2019 | 58 | Ozone | Aurora East | 08-005-0006 | AQS | 6 | 58 | 3 | 11 | 17 | 39 |
| 04/15/2019 | 67 | Ozone | ROCKY FLATS-N | 08-059-0006 | AQS | 8 | 67 | 4 | 52 | 28 | 51 |
| 04/16/2019 | 54 | Ozone | ROCKY FLATS-N | 08-059-0006 | AQS | 7 | 54 | 7 | 45 | 50 | 45 |
| 04/17/2019 | 50 | Ozone | ROCKY FLATS-N | 08-059-0006 | AQS | 7 | 50 | 1 | 31 | 34 | 42 |
| 04/18/2019 | 48 | Ozone | Aurora East | 08-005-0006 | AQS | 6 | 48 | 0 | 14 | 18 | 42 |
| 04/19/2019 | 61 | Ozone | NATIONAL RENEWABLE ENERGY LABS - NREL | 08-059-0011 | AQS | 5 | 61 | 4 | 29 | 21 | 39 |
| 04/20/2019 | 74 | Ozone | Aurora East | 08-005-0006 | AQS | 6 | 74 | 3 | 23 | 25 | 37 |
| 04/21/2019 | 58 | Ozone | Aurora East | 08-005-0006 | AQS | 5 | 58 | 1 | 18 | 15 | 39 |
| 04/22/2019 | 40 | Ozone | Aurora East | 08-005-0006 | AQS | 6 | 40 | 0 | 9 | 30 | 25 |
| 04/23/2019 | 50 | Ozone | Aurora East | 08-005-0006 | AQS | 6 | 50 | 1 | 25 | 48 | 38 |
| 04/24/2019 | 64 | Ozone | Aurora East | 08-005-0006 | AQS | 6 | 64 | 4 | 36 | 32 | 41 |
| 04/25/2019 | 87 | Ozone | NATIONAL RENEWABLE ENERGY LABS - NREL | 08-059-0011 | AQS | 5 | 87 | 0 | 31 | 26 | 42 |
| 04/26/2019 | 58 | PM10 | Tri County Health Dept. Bldg. | 08-001-0008 | AQS | 7 | 49 | 1 | 58 | 45 | 44 |
| 04/27/2019 | 49 | Ozone | Aurora East | 08-005-0006 | AQS | 6 | 49 | 1 | 14 | 15 | 30 |
| 04/28/2019 | 56 | PM10 | Tri County Health Dept. Bldg. | 08-001-0008 | AQS | 6 | 50 | 1 | 56 | 31 | 36 |
| 04/29/2019 | 45 | Ozone | Mines Peak | 08-019-0006 | AQS | 5 | 45 | 0 | 10 | 25 | 26 |
| 04/30/2019 | 51 | Ozone | Mines Peak | 08-019-0006 | AQS | 7 | 51 | 0 | 10 | 49 | 30 |
| 05/01/2019 | 58 | Ozone | Mines Peak | 08-019-0006 | AQS | 6 | 58 | 1 | 7 | 36 | 21 |
| 05/02/2019 | 58 | Ozone | Mines Peak | 08-019-0006 | AQS | 6 | 58 | 1 | 17 | 27 | 45 |
| 05/03/2019 | 80 | Ozone | Aurora East | 08-005-0006 | AQS | 7 | 80 | 3 | 31 | 28 | 40 |
| 05/04/2019 | 80 | Ozone | Aurora East | 08-005-0006 | AQS | 6 | 80 | 4 | 26 | 29 | 39 |
| 05/05/2019 | 87 | Ozone | Aurora East | 08-005-0006 | AQS | 6 | 87 | 3 | 22 | 24 | 33 |
| 05/06/2019 | 64 | Ozone | Mines Peak | 08-019-0006 | AQS | 6 | 64 | 1 | 35 | 54 | 29 |
| 05/07/2019 | 51 | Ozone | Mines Peak | 08-019-0006 | AQS | 8 | 51 | 1 | 12 | 39 | 25 |
| 05/08/2019 | 45 | Ozone | Mines Peak | 08-019-0006 | AQS | 6 | 45 | 1 | 4 | 20 | 18 |
| 05/09/2019 | 43 | Ozone | Mines Peak | 08-019-0006 | AQS | 5 | 43 | 0 | 9 | 23 | 28 |
| 05/10/2019 | 58 | PM2.5 | Globeville | 08-031-0028 | AQS | 7 | 49 | 1 | 24 | 58 | 34 |
| 05/11/2019 | 51 | Ozone | Aurora East | 08-005-0006 | AQS | 7 | 51 | 3 | 18 | 25 | 30 |
| 05/12/2019 | 74 | Ozone | Chatfield State Park | 08-035-0004 | AQS | 5 | 74 | 3 | 19 | 25 | 38 |
| 05/13/2019 | 74 | Ozone | Aurora East | 08-005-0006 | AQS | 7 | 74 | 6 | 41 | 35 | 45 |
| 05/14/2019 | 80 | Ozone | HIGHLAND RESERVOIR | 08-005-0002 | AQS | 6 | 80 | 17 | 50 | 40 | 43 |
| 05/15/2019 | 61 | Ozone | Aurora East | 08-005-0006 | AQS | 5 | 61 | 1 | 40 | 31 | 38 |
| 05/16/2019 | 77 | Ozone | Mines Peak | 08-019-0006 | AQS | 7 | 77 | 9 | 51 | 36 | 44 |
| 05/17/2019 | 71 | SO2 | DENVER - CAMP | 08-031-0002 | AQS | 6 | 64 | 71 | 35 | 35 | 39 |
| 05/18/2019 | 49 | Ozone | HIGHLAND RESERVOIR | 08-005-0002 | AQS | 5 | 49 | 3 | 18 | 15 | 33 |
| 05/19/2019 | 45 | Ozone | Mines Peak | 08-019-0006 | AQS | 6 | 45 | 0 | 6 | 24 | 18 |
| 05/20/2019 | 44 | Ozone | Mines Peak | 08-019-0006 | AQS | 5 | 44 | 1 | 3 | 14 | 23 |
| 05/21/2019 | 46 | Ozone | Mines Peak | 08-019-0006 | AQS | 6 | 46 | 1 | 10 | 15 | 20 |
| 05/22/2019 | 54 | Ozone | Mines Peak | 08-019-0006 | AQS | 6 | 54 | 1 | 18 | 30 | 27 |
| 05/23/2019 | 84 | Ozone | Mines Peak | 08-019-0006 | AQS | 8 | 84 | 3 | 20 | 42 | 35 |
| 05/24/2019 | 71 | Ozone | NATIONAL RENEWABLE ENERGY LABS - NREL | 08-059-0011 | AQS | 8 | 71 | 3 | 38 | 35 | 43 |
| 05/25/2019 | 67 | Ozone | Mines Peak | 08-019-0006 | AQS | 6 | 67 | 0 | 26 | 25 | 32 |
| 05/26/2019 | 64 | Ozone | Mines Peak | 08-019-0006 | AQS | 6 | 64 | 1 | 30 | 39 | 23 |
| 05/27/2019 | 71 | Ozone | Mines Peak | 08-019-0006 | AQS | 5 | 71 | 0 | 22 | 24 | 16 |
| 05/28/2019 | 87 | Ozone | HIGHLAND RESERVOIR | 08-005-0002 | AQS | 6 | 87 | 0 | 12 | 16 | 31 |
| 05/29/2019 | 77 | Ozone | HIGHLAND RESERVOIR | 08-005-0002 | AQS | 3 | 77 | 1 | 14 | 25 | 33 |
| 05/30/2019 | 87 | Ozone | ROCKY FLATS-N | 08-059-0006 | AQS | 6 | 87 | 1 | 31 | 52 | 41 |
| 05/31/2019 | 71 | Ozone | HIGHLAND RESERVOIR | 08-005-0002 | AQS | 6 | 71 | 3 | 34 | 31 | 39 |
| 06/01/2019 | 90 | Ozone | Mines Peak | 08-019-0006 | AQS | 6 | 90 | 1 | 28 | 31 | 38 |
| 06/02/2019 | 74 | Ozone | Mines Peak | 08-019-0006 | AQS | 6 | 74 | 1 | 19 | 27 | 29 |
| 06/03/2019 | 61 | Ozone | HIGHLAND RESERVOIR | 08-005-0002 | AQS | 6 | 61 | 1 | 28 | 30 | 36 |
| 06/04/2019 | 71 | Ozone | Mines Peak | 08-019-0006 | AQS | 6 | 71 | 3 | 34 | 33 | 36 |
| 06/05/2019 | 105 | Ozone | NATIONAL RENEWABLE ENERGY LABS - NREL | 08-059-0011 | AQS | 5 | 105 | 1 | 32 | 30 | 38 |
| 06/06/2019 | 101 | Ozone | NATIONAL RENEWABLE ENERGY LABS - NREL | 08-059-0011 | AQS | 5 | 101 | 3 | 26 | 23 | 39 |
| 06/07/2019 | 64 | Ozone | Mines Peak | 08-019-0006 | AQS | 7 | 64 | 3 | 44 | 34 | 46 |
| 06/08/2019 | 61 | Ozone | NATIONAL RENEWABLE ENERGY LABS - NREL | 08-059-0011 | AQS | 7 | 61 | 1 | 28 | 32 | 36 |
| 06/09/2019 | 64 | Ozone | Mines Peak | 08-019-0006 | AQS | 5 | 64 | 0 | 12 | 17 | 23 |
| 06/10/2019 | 74 | Ozone | ROCKY FLATS-N | 08-059-0006 | AQS | 6 | 74 | 1 | 26 | 23 | 29 |
| 06/11/2019 | 50 | Ozone | HIGHLAND RESERVOIR | 08-005-0002 | AQS | 6 | 50 | 3 | 44 | 33 | 44 |
| 06/12/2019 | 67 | Ozone | ROCKY FLATS-N | 08-059-0006 | AQS | 3 | 67 | 0 | 19 | 20 | 18 |
| 06/13/2019 | 64 | PM10 | Tri County Health Dept. Bldg. | 08-001-0008 | AQS | 5 | 50 | 1 | 64 | 38 | 39 |
| 06/14/2019 | 74 | Ozone | HIGHLAND RESERVOIR | 08-005-0002 | AQS | 6 | 74 | 3 | 37 | 38 | 42 |
| 06/15/2019 | 74 | Ozone | Mines Peak | 08-019-0006 | AQS | 6 | 74 | 1 | 21 | 26 | 32 |
| 06/16/2019 | 87 | Ozone | HIGHLAND RESERVOIR | 08-005-0002 | AQS | 6 | 87 | 1 | 16 | 28 | 32 |
| 06/17/2019 | 58 | Ozone | Aurora East | 08-005-0006 | AQS | 6 | 58 | 1 | 19 | 53 | 37 |
| 06/18/2019 | 58 | Ozone | Mines Peak | 08-019-0006 | AQS | 6 | 58 | 0 | 21 | 26 | 29 |
| 06/19/2019 | 80 | Ozone | Aurora East | 08-005-0006 | AQS | 6 | 80 | 1 | 35 | 25 | 35 |
| 06/20/2019 | 54 | Ozone | ROCKY FLATS-N | 08-059-0006 | AQS | 6 | 54 | 1 | 32 | 38 | 33 |
| 06/21/2019 | 47 | Ozone | Mines Peak | 08-019-0006 | AQS | 5 | 47 | 1 | 16 | 22 | 32 |
| 06/22/2019 | 54 | Ozone | Mines Peak | 08-019-0006 | AQS | 6 | 54 | 0 | 6 | 17 | 24 |
| 06/23/2019 | 44 | Ozone | Mines Peak | 08-019-0006 | AQS | 5 | 44 | 0 | 9 | 16 | 28 |
| 06/24/2019 | 61 | Ozone | Aurora East | 08-005-0006 | AQS | 6 | 61 | 3 | 33 | 26 | 35 |
| 06/25/2019 | 58 | Ozone | Mines Peak | 08-019-0006 | AQS | 5 | 58 | 1 | 31 | 24 | 49 |
| 06/26/2019 | 64 | Ozone | Aurora East | 08-005-0006 | AQS | 6 | 64 | 3 | 48 | 44 | 42 |
| 06/27/2019 | 115 | Ozone | ROCKY FLATS-N | 08-059-0006 | AQS | 6 | 115 | 3 | 47 | 38 | 42 |
| 06/28/2019 | 90 | Ozone | NATIONAL RENEWABLE ENERGY LABS - NREL | 08-059-0011 | AQS | 6 | 90 | 1 | 50 | 38 | 40 |
| 06/29/2019 | 67 | Ozone | Aurora East | 08-005-0006 | AQS | 6 | 67 | 3 | 25 | 26 | 29 |
| 06/30/2019 | 54 | Ozone | NATIONAL RENEWABLE ENERGY LABS - NREL | 08-059-0011 | AQS | 6 | 54 | 3 | 26 | 31 | 25 |
| 07/01/2019 | 51 | Ozone | ROCKY FLATS-N | 08-059-0006 | AQS | 6 | 51 | 1 | 31 | 39 | 31 |
| 07/02/2019 | 67 | Ozone | NATIONAL RENEWABLE ENERGY LABS - NREL | 08-059-0011 | AQS | 5 | 67 | 1 | 22 | 30 | 32 |
| 07/03/2019 | 67 | Ozone | ROCKY FLATS-N | 08-059-0006 | AQS | 5 | 67 | 3 | 24 | 26 | 41 |
| 07/04/2019 | 87 | Ozone | NATIONAL RENEWABLE ENERGY LABS - NREL | 08-059-0011 | AQS | 7 | 87 | 1 | 52 | 74 | 35 |
| 07/05/2019 | 80 | Ozone | Chatfield State Park | 08-035-0004 | AQS | 7 | 80 | 1 | 27 | 55 | 31 |
| 07/06/2019 | 77 | Ozone | ROCKY FLATS-N | 08-059-0006 | AQS | 5 | 77 | 1 | 23 | 36 | 34 |
| 07/07/2019 | 64 | Ozone | ROCKY FLATS-N | 08-059-0006 | AQS | 5 | 64 | 1 | 19 | 26 | 24 |
| 07/08/2019 | 49 | Ozone | Aurora East | 08-005-0006 | AQS | 5 | 49 | 1 | 32 | 36 | 40 |
| 07/09/2019 | 64 | Ozone | NATIONAL RENEWABLE ENERGY LABS - NREL | 08-059-0011 | AQS | 5 | 64 | 4 | 31 | 26 | 38 |
| 07/10/2019 | 100 | Ozone | NATIONAL RENEWABLE ENERGY LABS - NREL | 08-059-0011 | AQS | 5 | 100 | 1 | 24 | 30 | 30 |
| 07/11/2019 | 77 | Ozone | NATIONAL RENEWABLE ENERGY LABS - NREL | 08-059-0011 | AQS | 6 | 77 | 1 | 52 | 40 | 44 |
| 07/12/2019 | 87 | Ozone | HIGHLAND RESERVOIR | 08-005-0002 | AQS | 6 | 87 | 3 | 39 | 31 | 43 |
| 07/13/2019 | 101 | Ozone | NATIONAL RENEWABLE ENERGY LABS - NREL | 08-059-0011 | AQS | 7 | 101 | 3 | 46 | 36 | 47 |
| 07/14/2019 | 51 | Ozone | Aurora East | 08-005-0006 | AQS | 6 | 51 | 1 | 30 | 26 | 28 |
| 07/15/2019 | 58 | Ozone | Chatfield State Park | 08-035-0004 | AQS | 6 | 58 | 3 | 45 | 30 | 41 |
| 07/16/2019 | 80 | Ozone | ROCKY FLATS-N | 08-059-0006 | AQS | 7 | 80 | 4 | 32 | 27 | 38 |
| 07/17/2019 | 101 | Ozone | NATIONAL RENEWABLE ENERGY LABS - NREL | 08-059-0011 | AQS | 5 | 101 | 4 | 35 | 28 | 43 |
| 07/18/2019 | 105 | Ozone | NATIONAL RENEWABLE ENERGY LABS - NREL | 08-059-0011 | AQS | 6 | 105 | 4 | 41 | 33 | 38 |
| 07/19/2019 | 129 | Ozone | NATIONAL RENEWABLE ENERGY LABS - NREL | 08-059-0011 | AQS | 6 | 129 | 4 | 48 | 28 | 45 |
| 07/20/2019 | 54 | PM10 | Welby | 08-001-3001 | AQS | 6 | 51 | 4 | 54 | 46 | 42 |
| 07/21/2019 | 101 | Ozone | Chatfield State Park | 08-035-0004 | AQS | 5 | 101 | 1 | 31 | 33 | 24 |
| 07/22/2019 | 105 | Ozone | Chatfield State Park | 08-035-0004 | AQS | 6 | 105 | 1 | 28 | 44 | 36 |
| 07/23/2019 | 133 | Ozone | Chatfield State Park | 08-035-0004 | AQS | 6 | 133 | 3 | 37 | 46 | 44 |
| 07/24/2019 | 105 | Ozone | ROCKY FLATS-N | 08-059-0006 | AQS | 6 | 105 | 4 | 42 | 30 | 42 |
| 07/25/2019 | 71 | Ozone | HIGHLAND RESERVOIR | 08-005-0002 | AQS | 6 | 71 | 3 | 43 | 30 | 42 |
| 07/26/2019 | 84 | Ozone | NATIONAL RENEWABLE ENERGY LABS - NREL | 08-059-0011 | AQS | 6 | 84 | 1 | 39 | 32 | 39 |
| 07/27/2019 | 74 | Ozone | HIGHLAND RESERVOIR | 08-005-0002 | AQS | 6 | 74 | 1 | 39 | 25 | 27 |
| 07/28/2019 | 54 | Ozone | HIGHLAND RESERVOIR | 08-005-0002 | AQS | 6 | 54 | 4 | 37 | 26 | 30 |
| 07/29/2019 | 77 | Ozone | ROCKY FLATS-N | 08-059-0006 | AQS | 5 | 77 | 3 | 45 | 32 | 33 |
| 07/30/2019 | 90 | Ozone | NATIONAL RENEWABLE ENERGY LABS - NREL | 08-059-0011 | AQS | 6 | 90 | 3 | 51 | 41 | 37 |
| 07/31/2019 | 126 | Ozone | Chatfield State Park | 08-035-0004 | AQS | 6 | 126 | 6 | 60 | 45 | 38 |
| 08/01/2019 | 84 | Ozone | HIGHLAND RESERVOIR | 08-005-0002 | AQS | 8 | 84 | 1 | 49 | 46 | 45 |
| 08/02/2019 | 90 | Ozone | HIGHLAND RESERVOIR | 08-005-0002 | AQS | 6 | 90 | 1 | 49 | 48 | 34 |
| 08/03/2019 | 90 | Ozone | NATIONAL RENEWABLE ENERGY LABS - NREL | 08-059-0011 | AQS | 6 | 90 | 4 | 42 | 30 | 41 |
| 08/04/2019 | 74 | Ozone | ROCKY FLATS-N | 08-059-0006 | AQS | 5 | 74 | 3 | 34 | 20 | 25 |
| 08/05/2019 | 90 | Ozone | Chatfield State Park | 08-035-0004 | AQS | 5 | 90 | 3 | 45 | 24 | 39 |
| 08/06/2019 | 115 | Ozone | HIGHLAND RESERVOIR | 08-005-0002 | AQS | 6 | 115 | 3 | 50 | 32 | 51 |
| 08/07/2019 | 154 | Ozone | Chatfield State Park | 08-035-0004 | AQS | 6 | 154 | 3 | 51 | 51 | 45 |
| 08/08/2019 | 101 | Ozone | Chatfield State Park | 08-035-0004 | AQS | 6 | 101 | 1 | 44 | 40 | 42 |
| 08/09/2019 | 71 | Ozone | NATIONAL RENEWABLE ENERGY LABS - NREL | 08-059-0011 | AQS | 5 | 71 | 1 | 28 | 28 | 35 |
| 08/10/2019 | 80 | Ozone | Aurora East | 08-005-0006 | AQS | 6 | 80 | 0 | 27 | 24 | 33 |
| 08/11/2019 | 50 | Ozone | Aurora East | 08-005-0006 | AQS | 6 | 50 | 1 | 13 | 22 | 32 |
| 08/12/2019 | 87 | Ozone | ROCKY FLATS-N | 08-059-0006 | AQS | 6 | 87 | 1 | 30 | 23 | 32 |
| 08/13/2019 | 93 | Ozone | NATIONAL RENEWABLE ENERGY LABS - NREL | 08-059-0011 | AQS | 5 | 93 | 1 | 48 | 39 | 42 |
| 08/14/2019 | 87 | Ozone | HIGHLAND RESERVOIR | 08-005-0002 | AQS | 6 | 87 | 1 | 53 | 33 | 34 |
| 08/15/2019 | 62 | PM10 | Tri County Health Dept. Bldg. | 08-001-0008 | AQS | 7 | 51 | 3 | 62 | 45 | 46 |
| 08/16/2019 | 147 | Ozone | Chatfield State Park | 08-035-0004 | AQS | 6 | 147 | 1 | 52 | 54 | 70 |
| 08/17/2019 | 50 | Ozone | NATIONAL RENEWABLE ENERGY LABS - NREL | 08-059-0011 | AQS | 5 | 50 | 1 | 44 | 30 | 36 |
| 08/18/2019 | 119 | Ozone | NATIONAL RENEWABLE ENERGY LABS - NREL | 08-059-0011 | AQS | 8 | 119 | 1 | 51 | 45 | 42 |
| 08/19/2019 | 100 | Ozone | ROCKY FLATS-N | 08-059-0006 | AQS | 8 | 100 | 3 | 59 | 52 | 50 |
| 08/20/2019 | 90 | Ozone | Chatfield State Park | 08-035-0004 | AQS | 6 | 90 | 4 | 68 | 51 | 42 |
| 08/21/2019 | 115 | Ozone | Chatfield State Park | 08-035-0004 | AQS | 6 | 115 | 1 | 55 | 43 | 39 |
| 08/22/2019 | 87 | Ozone | Aurora East | 08-005-0006 | AQS | 6 | 87 | 1 | 44 | 39 | 46 |
| 08/23/2019 | 80 | Ozone | HIGHLAND RESERVOIR | 08-005-0002 | AQS | 8 | 80 | 1 | 44 | 33 | 53 |
| 08/24/2019 | 84 | Ozone | HIGHLAND RESERVOIR | 08-005-0002 | AQS | 6 | 84 | 3 | 35 | 33 | 50 |
| 08/25/2019 | 48 | Ozone | Aurora East | 08-005-0006 | AQS | 7 | 48 | 1 | 32 | 28 | 42 |
| 08/26/2019 | 115 | Ozone | Black Hawk | 08-047-0003 | AQS | 7 | 115 | 1 | 36 | 25 | 36 |
| 08/27/2019 | 80 | Ozone | Chatfield State Park | 08-035-0004 | AQS | 7 | 80 | 0 | 31 | 34 | 31 |
| 08/28/2019 | 77 | Ozone | ROCKY FLATS-N | 08-059-0006 | AQS | 6 | 77 | 3 | 52 | 34 | 56 |
| 08/29/2019 | 64 | Ozone | Aurora East | 08-005-0006 | AQS | 8 | 64 | 3 | 57 | 37 | 46 |
| 08/30/2019 | 112 | Ozone | Chatfield State Park | 08-035-0004 | AQS | 8 | 112 | 1 | 51 | 52 | 45 |
| 08/31/2019 | 84 | Ozone | Mines Peak | 08-019-0006 | AQS | 7 | 84 | 3 | 26 | 44 | 28 |
| 09/01/2019 | 80 | Ozone | NATIONAL RENEWABLE ENERGY LABS - NREL | 08-059-0011 | AQS | 7 | 80 | 1 | 23 | 35 | 40 |
| 09/02/2019 | 64 | Ozone | HIGHLAND RESERVOIR | 08-005-0002 | AQS | 8 | 64 | 3 | 23 | 28 | 45 |
| 09/03/2019 | 67 | Ozone | Chatfield State Park | 08-035-0004 | AQS | 8 | 67 | 1 | 57 | 39 | 30 |
| 09/04/2019 | 64 | Ozone | Aurora East | 08-005-0006 | AQS | 7 | 64 | 3 | 52 | 37 | 38 |
| 09/05/2019 | 77 | Ozone | Chatfield State Park | 08-035-0004 | AQS | 7 | 77 | 1 | 54 | 34 | 36 |
| 09/06/2019 | 67 | Ozone | Mines Peak | 08-019-0006 | AQS | 8 | 67 | 3 | 34 | 46 | 35 |
| 09/07/2019 | 87 | Ozone | NATIONAL RENEWABLE ENERGY LABS - NREL | 08-059-0011 | AQS | 5 | 87 | 1 | 30 | 28 | 41 |
| 09/08/2019 | 58 | Ozone | Mines Peak | 08-019-0006 | AQS | 6 | 58 | 1 | 13 | 25 | 30 |
| 09/09/2019 | 90 | Ozone | Mines Peak | 08-019-0006 | AQS | 7 | 90 | 3 | 22 | 42 | 31 |
| 09/10/2019 | 112 | Ozone | ROCKY FLATS-N | 08-059-0006 | AQS | 7 | 112 | 1 | 45 | 49 | 47 |
| 09/11/2019 | 77 | Ozone | Chatfield State Park | 08-035-0004 | AQS | 9 | 77 | 3 | 52 | 53 | 46 |
| 09/12/2019 | 67 | Ozone | Aurora East | 08-005-0006 | AQS | 6 | 67 | 1 | 33 | 29 | 35 |
| 09/13/2019 | 87 | Ozone | Chatfield State Park | 08-035-0004 | AQS | 11 | 87 | 1 | 47 | 43 | 64 |
| 09/14/2019 | 84 | Ozone | ROCKY FLATS-N | 08-059-0006 | AQS | 13 | 84 | 4 | 44 | 30 | 44 |
| 09/15/2019 | 97 | Ozone | ROCKY FLATS-N | 08-059-0006 | AQS | 9 | 97 | 1 | 28 | 30 | 57 |
| 09/16/2019 | 77 | Ozone | ROCKY FLATS-N | 08-059-0006 | AQS | 8 | 77 | 3 | 58 | 50 | 51 |
| 09/17/2019 | 55 | PM10 | Welby | 08-001-3001 | AQS | 8 | 49 | 4 | 55 | 35 | 46 |
| 09/18/2019 | 48 | Ozone | Mines Peak | 08-019-0006 | AQS | 7 | 48 | 3 | 45 | 36 | 39 |
| 09/19/2019 | 77 | Ozone | ROCKY FLATS-N | 08-059-0006 | AQS | 9 | 77 | 3 | 59 | 44 | 46 |
| 09/20/2019 | 56 | PM10 | Welby | 08-001-3001 | AQS | 6 | 46 | 1 | 56 | 29 | 38 |
| 09/21/2019 | 57 | PM10 | Welby | 08-001-3001 | AQS | 6 | 49 | 3 | 57 | 29 | 35 |
| 09/22/2019 | 50 | Ozone | ROCKY FLATS-N | 08-059-0006 | AQS | 5 | 50 | 0 | 13 | 19 | 34 |
| 09/23/2019 | 51 | PM10 | Tri County Health Dept. Bldg. | 08-001-0008 | AQS | 9 | 43 | 3 | 51 | 40 | 45 |
| 09/24/2019 | 55 | PM10 | Tri County Health Dept. Bldg. | 08-001-0008 | AQS | 8 | 51 | 4 | 55 | 43 | 42 |
| 09/25/2019 | 58 | Ozone | Black Hawk | 08-047-0003 | AQS | 8 | 58 | 3 | 57 | 46 | 46 |
| 09/26/2019 | 55 | PM10 | Tri County Health Dept. Bldg. | 08-001-0008 | AQS | 8 | 46 | 4 | 55 | 39 | 51 |
| 09/27/2019 | 45 | PM10 | Tri County Health Dept. Bldg. | 08-001-0008 | AQS | 7 | 44 | 1 | 45 | 32 | 34 |
| 09/28/2019 | 51 | Ozone | ROCKY FLATS-N | 08-059-0006 | AQS | 6 | 51 | 1 | 30 | 32 | 29 |
| 09/29/2019 | 44 | Ozone | ROCKY FLATS-N | 08-059-0006 | AQS | 5 | 44 | 6 | 23 | 28 | 23 |
| 09/30/2019 | 46 | Ozone | Chatfield State Park | 08-035-0004 | AQS | 6 | 46 | 1 | 23 | 27 | 33 |
| 10/01/2019 | 44 | Ozone | Mines Peak | 08-019-0006 | AQS | 6 | 44 | 1 | 17 | 30 | 15 |
| 10/02/2019 | 58 | Ozone | Mines Peak | 08-019-0006 | AQS | 6 | 58 | 1 | 15 | 30 | 25 |
| 10/03/2019 | 64 | Ozone | Mines Peak | 08-019-0006 | AQS | 8 | 64 | 1 | 33 | 54 | 39 |
| 10/04/2019 | 60 | PM2.5 | Globeville | 08-031-0028 | AQS | 11 | 45 | 3 | 53 | 60 | 53 |
| 10/05/2019 | 64 | Ozone | Black Hawk | 08-047-0003 | AQS | 10 | 64 | 1 | 33 | 25 | 30 |
| 10/06/2019 | 49 | Ozone | Mines Peak | 08-019-0006 | AQS | 5 | 49 | 0 | 22 | 18 | 36 |
| 10/07/2019 | 57 | NO2 | DENVER - CAMP | 08-031-0002 | AQS | 10 | 54 | 3 | 53 | 47 | 57 |
| 10/08/2019 | 61 | Ozone | Aurora East | 08-005-0006 | AQS | 10 | 61 | 4 | 58 | 52 | 57 |
| 10/09/2019 | 65 | PM10 | Welby | 08-001-3001 | AQS | 9 | 43 | 4 | 65 | 48 | 43 |
| 10/10/2019 | 37 | Ozone | Mines Peak | 08-019-0006 | AQS | 6 | 37 | 0 | 9 | 23 | 30 |
| 10/11/2019 | 50 | Ozone | Mines Peak | 08-019-0006 | AQS | 7 | 50 | 1 | 20 | 44 | 47 |
| 10/12/2019 | 50 | Ozone | Mines Peak | 08-019-0006 | AQS | 9 | 50 | 3 | 27 | 40 | 50 |
| 10/13/2019 | 52 | NO2 | Globeville | 08-031-0028 | AQS | 11 | 50 | 1 | 26 | 25 | 52 |
| 10/14/2019 | 52 | NO2 | Globeville | 08-031-0028 | AQS | 13 | 51 | 4 | 49 | 43 | 52 |
| 10/15/2019 | 44 | Ozone | Mines Peak | 08-019-0006 | AQS | 7 | 44 | 3 | 38 | 38 | 42 |
| 10/16/2019 | 58 | PM10 | Tri County Health Dept. Bldg. | 08-001-0008 | AQS | 11 | 44 | 6 | 58 | 56 | 50 |
| 10/17/2019 | 52 | PM10 | Welby | 08-001-3001 | AQS | 11 | 44 | 3 | 52 | 45 | 46 |
| 10/18/2019 | 55 | PM2.5 | Tri County Health Dept. Bldg. | 08-001-0008 | AQS | 10 | 44 | 4 | 55 | 55 | 52 |
| 10/19/2019 | 44 | Ozone | HIGHLAND RESERVOIR | 08-005-0002 | AQS | 7 | 44 | 6 | 31 | 24 | 44 |
| 10/20/2019 | 52 | PM10 | Tri County Health Dept. Bldg. | 08-001-0008 | AQS | 8 | 42 | 1 | 52 | 31 | 36 |
| 10/21/2019 | 41 | Ozone | Black Hawk | 08-047-0003 | AQS | 6 | 41 | 3 | 37 | 31 | 40 |
| 10/22/2019 | 53 | PM10 | Tri County Health Dept. Bldg. | 08-001-0008 | AQS | 6 | 43 | 1 | 53 | 40 | 41 |
| 10/23/2019 | 41 | Ozone | Black Hawk | 08-047-0003 | AQS | 5 | 41 | 1 | 21 | 20 | 39 |
| 10/24/2019 | 42 | Ozone | Black Hawk | 08-047-0003 | AQS | 7 | 42 | 0 | 11 | 39 | 37 |
| 10/25/2019 | 49 | NO2 | Globeville | 08-031-0028 | AQS | 7 | 43 | 1 | 31 | 29 | 49 |
| 10/26/2019 | 53 | PM10 | Tri County Health Dept. Bldg. | 08-001-0008 | AQS | 7 | 46 | 3 | 53 | 40 | 40 |
| 10/27/2019 | 37 | Ozone | Mines Peak | 08-019-0006 | AQS | 3 | 37 | 0 | 6 | 17 | 15 |
| 10/28/2019 | 41 | Ozone | Mines Peak | 08-019-0006 | AQS | 6 | 41 | 0 | 9 | 34 | 40 |
| 10/29/2019 | 54 | PM2.5 | DENVER - CAMP | 08-031-0002 | AQS | 5 | 37 | 0 | 7 | 54 | 33 |
| 10/30/2019 | 50 | Ozone | Black Hawk | 08-047-0003 | AQS | 5 | 50 | 1 | 13 | 44 | 42 |
| 10/31/2019 | 79 | NO2 | I-25 | 08-031-0027 | AQS | 14 | 58 | 9 | 37 | 65 | 79 |
| 11/01/2019 | 77 | NO2 | Globeville | 08-031-0028 | AQS | 17 | 48 | 7 | 21 | 61 | 77 |
| 11/02/2019 | 79 | PM2.5 | Globeville | 08-031-0028 | AQS | 15 | 47 | 4 | 42 | 79 | 62 |
| 11/03/2019 | 63 | PM2.5 | Globeville | 08-031-0028 | AQS | 16 | 44 | 6 | 27 | 63 | 56 |
| 11/04/2019 | 52 | PM2.5 | Globeville | 08-031-0028 | AQS | 8 | 41 | 1 | 27 | 52 | 42 |
| 11/05/2019 | 90 | PM2.5 | Globeville | 08-031-0028 | AQS | 17 | 44 | 4 | 63 | 90 | 64 |
| 11/06/2019 | 47 | NO2 | Globeville | 08-031-0028 | AQS | 17 | 44 | 4 | 45 | 46 | 47 |
| 11/07/2019 | 55 | PM2.5 | Globeville | 08-031-0028 | AQS | 13 | 43 | 3 | 30 | 55 | 36 |
| 11/08/2019 | 67 | PM10 | Tri County Health Dept. Bldg. | 08-001-0008 | AQS | 15 | 43 | 6 | 67 | 62 | 48 |
| 11/09/2019 | 54 | PM10 | Tri County Health Dept. Bldg. | 08-001-0008 | AQS | 9 | 45 | 3 | 54 | 38 | 54 |
| 11/10/2019 | 44 | Ozone | Mines Peak | 08-019-0006 | AQS | 9 | 44 | 4 | 35 | 30 | 40 |
| 11/11/2019 | 45 | PM2.5 | Globeville | 08-031-0028 | AQS | 9 | 45 | 1 | 19 | 45 | 32 |
| 11/12/2019 | 58 | PM2.5 | Globeville | 08-031-0028 | AQS | 14 | 44 | 6 | 52 | 58 | 54 |
| 11/13/2019 | 43 | Ozone | Mines Peak | 08-019-0006 | AQS | 14 | 43 | 1 | 25 | 20 | 39 |
| 11/14/2019 | 47 | NO2 | Globeville | 08-031-0028 | AQS | 8 | 46 | 3 | 36 | 45 | 47 |
| 11/15/2019 | 83 | PM10 | Tri County Health Dept. Bldg. | 08-001-0008 | AQS | 14 | 42 | 7 | 83 | 69 | 51 |
| 11/16/2019 | 52 | PM10 | Tri County Health Dept. Bldg. | 08-001-0008 | AQS | 14 | 45 | 1 | 52 | 37 | 40 |
| 11/17/2019 | 47 | NO2 | Globeville | 08-031-0028 | AQS | 6 | 46 | 1 | 17 | 24 | 47 |
| 11/18/2019 | 43 | NO2 | Globeville | 08-031-0028 | AQS | 7 | 42 | 4 | 38 | 26 | 43 |
| 11/19/2019 | 69 | PM10 | Tri County Health Dept. Bldg. | 08-001-0008 | AQS | 15 | 43 | 6 | 69 | 58 | 51 |
| 11/20/2019 | 60 | PM10 | Tri County Health Dept. Bldg. | 08-001-0008 | AQS | 15 | 39 | 7 | 60 | 53 | 45 |
| 11/21/2019 | 40 | Ozone | Mines Peak | 08-019-0006 | AQS | 6 | 40 | 0 | 8 | 29 | 24 |
| 11/22/2019 | 54 | PM2.5 | Globeville | 08-031-0028 | AQS | 11 | 45 | 3 | 17 | 54 | 32 |
| 11/23/2019 | 49 | PM2.5 | Globeville | 08-031-0028 | AQS | 13 | 45 | 4 | 38 | 49 | 47 |
| 11/24/2019 | 47 | Ozone | Black Hawk | 08-047-0003 | AQS | 13 | 47 | 3 | 27 | 22 | 45 |
| 11/25/2019 | 47 | Ozone | Black Hawk | 08-047-0003 | AQS | 8 | 47 | 4 | 21 | 35 | 47 |
| 11/26/2019 | 45 | NO2 | Globeville | 08-031-0028 | AQS | 7 | 36 | 1 | 8 | 23 | 45 |
| 11/27/2019 | 64 | PM2.5 | Globeville | 08-031-0028 | AQS | 10 | 43 | 4 | 22 | 64 | 55 |
| 11/28/2019 | 87 | PM2.5 | Globeville | 08-031-0028 | AQS | 10 | 42 | 3 | 24 | 87 | 58 |
| 11/29/2019 | 86 | PM2.5 | Globeville | 08-031-0028 | AQS | 10 | 47 | 1 | 22 | 86 | 46 |
| 11/30/2019 | 47 | NO2 | DENVER - CAMP | 08-031-0002 | AQS | 6 | 46 | 3 | 11 | 33 | 47 |
| 12/01/2019 | 63 | NO2 | Globeville | 08-031-0028 | AQS | 18 | 48 | 7 | 20 | 54 | 63 |
| 12/02/2019 | 83 | NO2 | Globeville | 08-031-0028 | AQS | 24 | 44 | 9 | 43 | 74 | 83 |
| 12/03/2019 | 60 | NO2 | Globeville | 08-031-0028 | AQS | 15 | 44 | 6 | 27 | 38 | 60 |
| 12/04/2019 | 70 | PM2.5 | Globeville | 08-031-0028 | AQS | 16 | 44 | 4 | 56 | 70 | 65 |
| 12/05/2019 | 57 | PM2.5 | Globeville | 08-031-0028 | AQS | 15 | 37 | 6 | 25 | 57 | 54 |
| 12/06/2019 | 71 | NO2 | Globeville | 08-031-0028 | AQS | 17 | 43 | 6 | 31 | 64 | 71 |
| 12/07/2019 | 49 | NO2 | DENVER - CAMP | 08-031-0002 | AQS | 17 | 43 | 7 | 25 | 47 | 49 |
| 12/08/2019 | 47 | Ozone | Black Hawk | 08-047-0003 | AQS | 10 | 47 | 3 | 15 | 20 | 34 |
| 12/09/2019 | 45 | Ozone | Black Hawk | 08-047-0003 | AQS | 7 | 45 | 3 | 19 | 37 | 38 |
| 12/10/2019 | 71 | PM2.5 | Globeville | 08-031-0028 | AQS | 11 | 47 | 4 | 63 | 71 | 48 |
| 12/11/2019 | 62 | PM10 | Tri County Health Dept. Bldg. | 08-001-0008 | AQS | 14 | 46 | 6 | 62 | 61 | 53 |
| 12/12/2019 | 48 | NO2 | Globeville | 08-031-0028 | AQS | 10 | 44 | 4 | 44 | 38 | 48 |
| 12/13/2019 | 45 | NO2 | Globeville | 08-031-0028 | AQS | 8 | 43 | 1 | 41 | 29 | 45 |
| 12/14/2019 | 42 | Ozone | Black Hawk | 08-047-0003 | AQS | 7 | 42 | 1 | 19 | 37 | 41 |
| 12/15/2019 | 50 | PM2.5 | Globeville | 08-031-0028 | AQS | 7 | 42 | 1 | 14 | 50 | 40 |
| 12/16/2019 | 42 | Ozone | Black Hawk | 08-047-0003 | AQS | 6 | 42 | 0 | 27 | 40 | 39 |
| 12/17/2019 | 51 | PM2.5 | Globeville | 08-031-0028 | AQS | 7 | 43 | 3 | 38 | 51 | 49 |
| 12/18/2019 | 59 | PM10 | Tri County Health Dept. Bldg. | 08-001-0008 | AQS | 17 | 44 | 6 | 59 | 56 | 50 |
| 12/19/2019 | 66 | PM10 | Tri County Health Dept. Bldg. | 08-001-0008 | AQS | 19 | 45 | 10 | 66 | 61 | 63 |
| 12/20/2019 | 60 | PM10 | Tri County Health Dept. Bldg. | 08-001-0008 | AQS | 15 | 44 | 6 | 60 | 56 | 52 |
| 12/21/2019 | 53 | NO2 | Globeville | 08-031-0028 | AQS | 19 | 49 | 6 | 47 | 45 | 53 |
| 12/22/2019 | 55 | NO2 | Globeville | 08-031-0028 | AQS | 22 | 51 | 6 | 44 | 48 | 55 |
| 12/23/2019 | 79 | PM10 | Tri County Health Dept. Bldg. | 08-001-0008 | AQS | 22 | 48 | 6 | 79 | 69 | 57 |
| 12/24/2019 | 57 | NO2 | Globeville | 08-031-0028 | AQS | 15 | 46 | 6 | 48 | 54 | 57 |
| 12/25/2019 | 44 | Ozone | Mines Peak | 08-019-0006 | AQS | 10 | 44 | 4 | 19 | 30 | 42 |
| 12/26/2019 | 55 | PM2.5 | Globeville | 08-031-0028 | AQS | 10 | 45 | 3 | 22 | 55 | 44 |
| 12/27/2019 | 77 | PM2.5 | Globeville | 08-031-0028 | AQS | 9 | 44 | 3 | 44 | 77 | 38 |
| 12/28/2019 | 40 | Ozone | Mines Peak | 08-019-0006 | AQS | 6 | 40 | 0 | 9 | 38 | 33 |
| 12/29/2019 | 44 | Ozone | Black Hawk | 08-047-0003 | AQS | 6 | 44 | 1 | 9 | 25 | 44 |
| 12/30/2019 | 58 | NO2 | Globeville | 08-031-0028 | AQS | 10 | 46 | 4 | 22 | 40 | 58 |
| 12/31/2019 | 58 | PM2.5 | Globeville | 08-031-0028 | AQS | 19 | 47 | 6 | 30 | 58 | 56 |