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Air Quality Information
- Ozone Action Days: A Special Alert for People with Asthma and Other Respiratory Problems
- Asthma, Air Quality, and Environmental Justice: EPA's Role in Asthma Education and Prevention
- EPA Air Quality Trends (via Headquarters)
- National Air Pollutant Emission Trends, 1900-1998 (via Headquarters)
- TTNWeb - Technology Transfer Network
- New Ambient Air Monitoring Regulations
- Pursuant to 40 CFR 58.10, States are required to prepare and seek comment on a network monitoring plan annually. This page contains links to State and local ambient air monitoring plans for 2007. Additional links will be added as they become available.
National
Maps of Air Quality Non-Attainment Areas
- Ozone, 1 hour: Map
- Ozone, 8 hour: Map
- Carbon Monoxide: Map
- Lead: Map
- Nitrogen Dioxide: Map
- Sulfur Dioxide: Map
- Particulate Matter - 2.5 microns (PM-2.5): Map
- Particulate Matter - 10 microns (PM-10): Map
State Implementation Plans - access electronic SIP files developed for each air agency in Region 4.
Additional information can be found at the:
Office
of Mobile Sources in Washington, D.C.
Office of Air and
Radiation Publications in Washington, D.C.