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Air Quality Maps
| Air Quality Maps Quick Finder | |||
Below are links to air quality maps from EPA Region 9 (Arizona, California, Hawaii, and Nevada, and tribal lands in the Pacific Southwest). These maps provide information such as the level of air quality in specific areas, the borders of local air permitting agencies, and the location of specially protected federal lands.
Under Section 301(d) of the federal Clean Air Act, the EPA is authorized to treat Indian tribes as states. As such, Indian tribes do not fall under the permitting authority of state or local agencies. Instead, EPA retains permitting authority for all sources of air pollution that are located on tribal lands. However, EPA is developing regulations that will enable the transfer permitting authority to tribal governments on a case-by-case basis.
For more information, E-mail Sean P. Hogan (hogan.sean@epa.gov) with questions.
Regional Maps (Arizona, California, Guam, Hawaii and Nevada)
- Carbon Monoxide (CO) Attainment Designations
- Class I Federal Lands (Parks, Wilderness Areas, etc.)
- Native American Tribal Lands and Reservations Web Version | (PDF) (1 pg, map, 146K, About PDF)
- Nitrogen Dioxide (NO2) Attainment Designations
- Ozone (O3) Attainment Designations (8-hour standard)
- Ozone (O3) Attainment Designations (1-hour standard)
- Particulate Matter (PM-2.5) Attainment Designations
- Particulate Matter (PM-10) Attainment Designations
- Sulfur Dioxide (SO2) Attainment Designations
Arizona Maps
- Class I Federal Lands (Parks, Wilderness Areas, etc.)
- Native American Tribal Lands and Reservations Web Version | (PDF) (1 pg, map, 210K, About PDF)
California Maps
- Air Pollution Control District Boundaries and County Lines
- Class I Federal Lands (Parks, Wilderness Areas, etc.)
- Native American Tribal Lands and Reservations Web Version | (PDF) (1 pg, map, 305K, About PDF)
Nevada Maps
- Class I Federal Lands (Parks, Wilderness Areas, etc.)
- Native American Tribal Lands and Reservations Web Version | (PDF) (1 pg, map, 189K, About PDF)