San Diego
5 monitoring stations · readings from 50 to 69
Average AQI
Air quality in San Diego
Air quality in San Diego is currently 58 on the AQI scale, which falls in the Moderate band. That number is the average across every monitoring station reporting in San Diego right now.
We aggregate 5 stations across San Diego. Individual stations range from 50 at the cleanest to 69 at the worst, so conditions vary across San Diego — the local figure matters more than the average.
San Diego breaks down into 5 stations you can open individually. Of those listed below, Otay Mesa is reading highest at 69 and Carmel Mountain Ranch lowest at 50.
Readings refresh hourly from the official monitoring networks we track. Conditions can change quickly, so check back before planning time outdoors.
What to do at moderate levels
Outdoor activity
Fine for most people. If you are planning a long or intense session outdoors, the early morning is usually cleaner.
Sensitive groups
Unusually sensitive people may notice mild irritation. Keep reliever medication to hand if you use it.
Indoor air
Ventilating is still worthwhile. Consider closing up during traffic peaks if you live on a busy road.
Stations in San Diego
About San Diego
Coordinates
32.735, -117.065
Centroid of monitored stations
Stations
5
Reporting in this area
Spread
50 – 69
Cleanest to worst station reading
San Diego air quality, answered
San Diego is currently reading an AQI of 58, which is Moderate. It is the average across 5 reporting stations.
Fine for most people. If you are planning a long or intense session outdoors, the early morning is usually cleaner. Unusually sensitive people may notice mild irritation. Keep reliever medication to hand if you use it.
58 sits in the Moderate band of the air quality index. The index runs from 0 to 500, and the lower the number the cleaner the air.
We currently aggregate 5 stations in San Diego, reading between 50 and 69.
Of the stations currently listed for San Diego, Otay Mesa is reading highest at 69 (Moderate).
Hourly. We pull from the official monitoring networks that publish for this city, and this page refreshes on the same cadence.
See San Diego on the map.
Every station around it, live — or find out what today's reading means for you personally.