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Air Quality in San Diego, United States
Updated 2026-05-21T06:00:00-07:00 · Station: San Diego - Sherman Elementary School, San Diego, California
80
Moderate · Dominant pollutant: PM2.5
Acceptable for most, but unusually sensitive people may experience minor symptoms.
The current Air Quality Index (AQI) in San Diego is 80, categorized as Moderate. Acceptable for most, but unusually sensitive people may experience minor symptoms.
Pollutants & conditions
| Measurement | Value |
|---|
| PM2.5 | 80 |
| PM10 | 47 |
| Ozone (O₃) | 25.6 |
| Temperature (°C) | 17.5 |
| Humidity (%) | 85.5 |
| Pressure (hPa) | 1012.8 |
| Wind (m/s) | 0.5 |
| Wind Gust (m/s) | 2 |
PM2.5 forecast
| Date | Avg | Min | Max |
|---|
| 2026-05-19 | 34 | 32 | 36 |
| 2026-05-20 | 40 | 32 | 54 |
| 2026-05-21 | 38 | 31 | 45 |
| 2026-05-22 | 37 | 33 | 42 |
| 2026-05-23 | 37 | 33 | 41 |
Nearby cities
More cities in United States · All cities