These links provide access to a variety of data that may be useful to Western States and Tribes for assessing air quality in Federal Class I areas.
These links provide access to a variety of tools that may be useful to Western States and Tribes for assessing air quality in Federal Class I areas.
A storyboard presentation about the unique visibility challenges in the West...
Summary tables for monitoring, emissions contributions, and modeled visibility progress...
User's Guide to technical tools supporting Regional Haze State implementation plans...
Evaluate IMPROVE aerosol composition and trends at Class I Areas...
Pollutant inventories by source sector as used in regional air quality modeling...
Ranking point sources by emissions/distance (Q/d) and weighted emissions potential...
Compare monitored and modeled aerosol contributions to haze at Class I Areas...
Particulate matter source apportionment (PSAT) and dynamic modeling analyses...
Modeled visibility progress compared to uniform rate of progress glide path...