AirNow API - Web Services

Forecasts

By Zip code

Get current or historical forecasted AQI values and categories for a reporting area by Zip code.

By latitude/longitude

Get current or historical forecasted AQI values and categories for a reporting area by latitude and longitude.

Contour Maps

By geographic bounding box - PM2.5

Get current or historical PM2.5 contour maps in KML.

By geographic bounding box - ozone

Get current or historical ozone contour maps in KML.

By geographic bounding box - combined ozone and PM2.5

Get current or historical contour maps in KML for combined ozone and PM2.5 values.

Observations by Monitoring Site

By geographic bounding box

Get AQI values or data concentrations for a specified date and time range and set of parameters within a geographic area of interest.

Current Observations by Reporting Area

By Zip code

Get current AQI values and categories for a reporting area by Zip code.

By latitude/longitude

Get current AQI values and categories for a reporting area by latitude and longitude.

Historical Observations by Reporting Area

By Zip code

Get historical AQI values and categories for a reporting area by Zip code.

By latitude/longitude

Get historical AQI values and categories for a reporting area by latitude and longitude.