Current Air Quality Index

Good 27 50
Moderate 100
Unhealthy for Some Groups 150
Unhealthy 200
Very Unhealthy 300
Hazardous 500

Pollutant: Ozone
Updated Hourly at 9/20/2017 6:15 pm

Get air quality information
sent to your smartphone:

Android | iPhone


Forecasted Air Quality

Sign up for
Air Quality Forecasts

Scroll below to check air quality at specific air monitoring locations by clicking on map location. PLEASE NOTE: If you are using Internet Explorer, the map below may not display correctly. If the air monitoring map is loading slowly or not working properly, please try deleting cookies from your web browser and restarting the browser.

Monitoring Stations

Station List

Ozone (O3) is the predominant air pollutant in the current hour.

Updated 9/20/2017 6:15 pm

Click a location on the map for more information.

= O3 monitoring stations (AQI value) = Other monitoring stations