The Current Air. Quality Index (above) applies to the entire county. It reflects the air pollutant with the highest reading in the monitoring network. The map below provides information for each monitoring site in the network. Clicking on a specific site will take you to a new window where you can access current day and five-day hourly AQI histories.

Monitoring map not displaying correctly? If you are using Internet Explorer, this could be the issue. If the map is loading slowly or not working, try deleting cookies from your web browser and restarting the browser.