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