Curious about how Air Quality is monitored in San Diego County? Learn about the importance of our Monitoring Sites that are scattered across San Diego County and how it helps the San …

The United States Environmental Protection Agency (EPA) has updated the Air Quality Index (AQI). Updates to the AQI include: New scale reflects PM2.5 standard changes from 12 to 9.0 …

The AQI or Air Quality Index (color coded, as it appears below) is the tool most used for reporting the daily status of our air quality in the County. It tells us of the air's condition and how polluted …

Our Permits and Engineering Division evaluates and issues air quality permits to ensure that proposed new and modified commercial and industrial equipment and operations comply with …

Today's 8-Hour Ozone: Today's 8-Hour Ozone Rolling Average Report (start hour) Today's Daily Report: Today's Daily Report - All Data: Yesterday's 8-Hour Ozone

The following contains the adopted rules for San Diego County. Note that there may be a delay of up to 30 days between approval of a new or amended rule and its availability on this webpage.

Jan 20, 2025 · Phone: (858) 586-2600 10124 Old Grove Road San Diego, CA 92131

Air quality plans provide an overview of the region's air quality and identify the pollution-control measures needed to expeditiously attain and maintain air quality standards. The District's …

The air quality forecast for Monday, January 27, is for little change in conditions. Air quality levels will be GOOD throughout the day. The Forecast for Sunday and Monday was issued on Friday …

The Annual Air Quality Report provides insights on the work that the San Diego County Air Pollution Control District (SDAPCD) does every year to improve the air quality for all residents …