| Quick Finder | |||
|---|---|---|---|
| Carbon Monoxide Lead | Nitrogen Oxides & Sulfur Ozone | Particulate Matter HERO | AIRNow Air QualityAir Quality Twitter |
EPA has set National Ambient Air Quality Standards (NAAQS) for six principal pollutants, which include: ozone, particulate matter, carbon monoxide, sulfur oxides, nitrogen oxides, and lead. Called criteria pollutants, these are derived from numerous sources and are considered harmful to public health and the environment. [Learn more]
Final Reports
- 2010 - Carbon Monoxide (CO) (PDF) (593 pp, 29 MB, About PDF)
- 2009 - Particulate Matter (PM) (PDF) (2228 pp, 1,105 MB, About PDF)
- 2008 - Oxides of Nitrogen (NOx) (Primary - Health Criteria) (PDF) (260 pp, 18 MB, about PDF)
- 2008 - Oxides of Nitrogen & Sulfur (Secondary - Ecological Criteria) (PDF) (898 pp, 42 MB, about PDF)
- 2008 - Sulfur Oxides (SOx) (Primary - Health Criteria) (PDF) (479 pp, 9 MB, about PDF)
- 2006 - Ozone (O3) (PDF) (821 pp, 12 MB, about PDF)
- 2006 - Lead (Pb) (PDF) (1251 pp, 11 MB, about PDF)
Draft Reports
ISA-Related Events
- 4/2: Close of Public Comment Period - ISA of Lead (2nd ERD)
- 5/23, 29: SAB Public Meeting for the Biogenic Carbon Emissions Panel Teleconference
- 5/30: CASAC follow-up Teleconference of the Lead Review Panel - review of Lead ISA 2nd Review Draft
- 5/31: EPA to host a Workshop on Using Mode-of-Action To Support the Development of a Multipollutant Science Assessment
- 6/14-15: NAS Workshop: Systems Biology – Informed Risk Assessment
- 7/16: Quality Review public teleconference of the Chartered CASAC
| Basic Information Carbon Monoxide Lead | Ozone Nitrogen Oxides & Sulfur Particulate Matter | Frequent Questions Publications Related Links |
Top Three Questions
Contact
Program Director: John J. Vandenberg
by phone at: 919-541-4527
by fax at: 919-541-5078
by email at: vandenberg.john@epa.gov