BTS | Table 7-6: Colorado Air Quality Nonattainment Areas for Ozone(O (3) )

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BTS Home > Publications > State Transportation Statistics > Colorado

Table 7-6: Colorado Air Quality Nonattainment Areas for Ozone(O₃)

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County	Area	Nonattainment in year	Redesignation to attainment	Classification	Part or whole county	Population (2000)
Adams	Denver-Boulder	95 96 97 98 99 00 01	10/11/2001	Section 185A	Part	356,944
Arapahoe	Denver-Boulder	95 96 97 98 99 00 01	10/11/2001	Section 185A	Part	483,770
Boulder	Denver-Boulder	95 96 97 98 99 00 01	10/11/2001	Section 185A	Part	291,288
Denver	Denver-Boulder	95 96 97 98 99 00 01	10/11/2001	Section 185A	Whole	554,636
Douglas	Denver-Boulder	95 96 97 98 99 00 01	10/11/2001	Section 185A	Whole	175,766
Jefferson	Denver-Boulder	95 96 97 98 99 00 01	10/11/2001	Section 185A	Whole	527,056

NOTES: Nonattainment areas do not meet the national primary or secondary ambient air quality standard (NAAQS) for the specified pollutant. Nonattainment areas are classified based on design values: Extreme = design value of 0.280 parts per million (ppm)

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

Table 7-6: Colorado Air Quality Nonattainment Areas for Ozone(O3)

Table 7-6: Colorado Air Quality Nonattainment Areas for Ozone(O₃)