Advocacy for Clean Air (Earth Justice) Links to articles and advocacy statements promoting action for cleaner air.
AirNow - AirNow reports air quality using the official U.S. Air Quality Index (AQI), a color-coded index designed to communicate whether air quality is healthy or unhealthy for you. When you know the AQI in your area, you can take steps to protect your health. Provided by EPA.
Air Quality (Environmental Protection Agency) Includes links to standards, the Office of Transportation and Air Quality, The Plain English Guide to the Clean Air Act, and the Clean Air Research Program.
State of the Air (American Lung Association) Offers a current "report card" for the state of the air and your health.
Maricopa County Air Quality online portal.
Maricopa County Air Quality Department (MCAQD) is committed to increasing compliance with air quality permits and regulations, and strengthening the community's knowledge of air quality issues.