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Useful Reference Websites and Programs

Mapping Sites

ENVE313 Google Earth Pro Desktop application

ENVE313 Google Earth Web application

ENVE313 The National Map - Advanced Viewer USGS maps for the United States. This has an enormous amount of data.

ACME Mapper 2.2 Web application that can display layers like US Topo. Allows marking of points.

ArcGIS Web Application (mt.gov) Fire Map has multiple display options. Montana Only. It will display Township, Range, and Section overlays, this is good for finding parcels with a legal description.

Maps in Google Earth - Wilderness Connect This website has Wilderness Area boundaries downloadable in *.KMZ files for use in Google Earth. These are Class I areas but not all meet the regulatory definition of Class I as it is applied in air quality analysis.

Air Quality Sites

ENVE313 Surface Data ftp://ftp.ncdc.noaa.gov/pub/data/noaa/

Surface Weather Observation Stations – ASOS/AWOS (faa.gov) Map of surface data site locations to allow selection of potentially appropriate Air Surface data for use in AERMET.

ENVE313 Upper Air Data NOAA/ESRL/GSL - RAOB

Maps of the NWS Rawinsonde Network (weather.gov) Map of upper air data site locations to allow selection of appropriate Upper Air data for use in AERMET.

ENVE313 Support Center for Regulatory Atmospheric Modeling (SCRAM) | US EPA This has the air dispersion modeling programs and official guidance documents.

ENVE313 Background Concentrations 2014 - 2017 (arcgis.com) Background pollutant concentrations for Oregon, Washington, and Idaho. The western part of Montana has calculated values.

AIRPACT-5 | Dynamic Map (wsu.edu) Air Dispersion Model predicting pollutant levels 1 day into the future. Run by WSU and UW for Oregon, Washington, and Idaho.

Interactive Map of Air Quality Monitors | US EPA Monitoring sites across United States.

AQS API | AirData | US EPA This has monitored air quality data used to establish pollutant background concentrations.

Emission Inventory Reference Sites

ENVE313 AP-42: Compilation of Air Emissions Factors | US EPA Emission inventory factors and calculation methods