San Diego, California air quality
94
Moderate
US EPA AQI
Unusually sensitive people should consider shortening intense outdoor activity.
- Primary pollutant
- Ozone
- PM2.5
- 28.2µg/m³
- PM10
- 33.5µg/m³
- Ozone
- 97.0µg/m³
- Nitrogen dioxide
- 16.1µg/m³
- Sulphur dioxide
- 1.4µg/m³
- Carbon monoxide
- 251.0µg/m³
- Dust
- 1.0µg/m³
Fine particles that reach deep into the lungs
Coarse dust and pollen-sized particles
Rises on hot, sunny, stagnant days
Traffic and combustion related
Elevated during dust storms and wildfire smoke events
Source updated: not provided · WeatherSignal checked: 2:43:09 AM
See the full San Diego weather dashboard
Health categories and guidance text follow the published definitions of the US EPA AQI scale. This page is informational and is not medical advice.