Health and Environmental Effects of Particulate Matter (PM) (US EPA)
Short summary of the effects of particulate matter with links to other resources on health and particulate matter.
Health effects of ozone pollution (US EPA)
Overview of the health effects of ozone pollution including who is at risk, what health problems ozone can cause, how to reduce related health risks, and other resources.
Plain English Guide to the Clean Air Act (US EPA)
Easy-to-understand introduction to the 1990 Clean Air Act, the federal law that enables EPA to implement and enforce regulations reducing air pollutant emissions.
With Every Breath: Health Effects of Smog (CARB – Video)
19-minute video created by the California Air Resources Board showing where smog comes from, how it’s formed, and who is most vulnerable to its health impacts.
Learn about Asthma (US EPA)
The EPA’s home page for asthma, including basic information, resources to help manage asthma triggers, ways to take action, and resources on indoor air quality.
Air Toxics Screening Assessment (US EPA)
EPA’s screening tool to provide communities with information about source locations and health risks from air toxics.
California Office of Environmental Health Hazard Assessment (OEHHA) Air
Information on OEHHA’s health risk assessments for various chemical contaminants found in the air. Contains links to health-based recommendations, air toxics hot spot information, epidemiological studies, and more.
National Ambient Air Quality Standards (NAAQS) for criteria air pollutants (US EPA)
Scientific and technical information about the current and prior review of the NAAQS for each of the six criteria pollutants: CO, PM, O3, NO2, SO2 and lead.
National Ambient Air Quality Standards (NAAQS) Tables (US EPA)
Table of the NAAQS values, associated averaging times, and form of the standard.
California Ambient Air Quality Standards (CAAQS)
California-specific air quality standards for the criteria air pollutants and other regulated pollution.