BTS | Table 7-7: Colorado Air Quality Nonattainment Areas for Particulate Matter (PM-10)

Table 7-7: Colorado Air Quality Nonattainment Areas for Particulate Matter (PM-10)

County	Area	Nonattainment in year	Redesignation to attainment	Classification	Part or whole county	Population (2000)
Adams	Denver Metro	95 96 97 98 99 00 01	NA	Moderate	Part	356,944
Arapahoe	Denver Metro	95 96 97 98 99 00 01	NA	Moderate	Part	483,770
Archuleta	Pagosa Springs	95 96 97 98 99 00 01	8/14/01	Moderate	Part	1,852
Boulder	Denver Metro	95 96 97 98 99 00 01	NA	Moderate	Part	291,288
Denver	Denver Metro	95 96 97 98 99 00 01	NA	Moderate	Whole	554,636
Douglas	Denver Metro	95 96 97 98 99 00 01	NA	Moderate	Whole	175,766
Fremont	Canon City	95 96 97 98 99 00 01	7/31/00	Moderate	Part	18,587
Jefferson	Denver Metro	95 96 97 98 99 00 01	NA	Moderate	Whole	527,056
Pitkin	Aspen	95 96 97 98 99 00 01	NA	Moderate	Part	5,873
Prowers	Lamar	95 96 97 98 99 00 01	NA	Moderate	Part	8,681
Routt	Steamboat Springs	95 96 97 98 99 00 01	NA	Moderate	Part	9,815
San Miguel	Telluride	95 96 97 98 99 00 01	8/14/01	Moderate	Part	1,805

KEY: NA = not applicable.

SOURCE: U.S. Environmental Protection Agency, Green Book, available at http://www.epa.gov/oar/oaqps/greenbk/anay.html as of Apr. 20, 2002.