Air Quality Index (AQI) forecasts and current conditions are now available in Keyhole Markup Language (KML) format. This allows for AIRNow data to be displayed in 3D viewers such as Google Earth. Follow the instructions to install and run the AIRNow KML files in Google Earth.

How does the air quality in my city compare with other cities? What time of year has the best air quality? Has the air quality in my city improved? AirCompare provides local air quality information to help you make informed, health-protective decisions about moving or vacationing.

AIRNow Publications | AIRNow Publicaciones(en español) You can order AIRNow publications directly via EPA's National Service Center for Environmental Publications.

To view past air quality maps by region visit:
Air Quality Maps Archive Calendar

To view air quality maps by monitoring location:
Air Quality Monitor Maps

Gulf of Mexico Air Quality Information:
Real-time ozone and particle pollution information in states affected by the BP oil spill. Additional information about the BP oil spill.