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Air Quality History for San Diego, United States

Historical PM2.5 and AQI trend from monitoring stations near San Diego, United States.

34
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-05-29 24 10–42 5.9 µg/m³ 2.9 15h 8
2026-05-28 32 16–60 7.7 µg/m³ — 24h 8
2026-05-27 33 18–49 7.8 µg/m³ 1.3 24h 9
2026-05-26 27 15–44 6.5 µg/m³ 1.1 24h 9
2026-05-25 31 21–78 7.7 µg/m³ 2.2 24h 10
2026-05-24 31 22–40 7.5 µg/m³ 4.5 24h 10
2026-05-23 41 30–58 10.0 µg/m³ 5.7 24h 10
2026-05-22 50 33–64 12.6 µg/m³ 9.4 24h 10
2026-05-21 61 50–72 16.9 µg/m³ 17.6 24h 11
2026-05-20 65 56–76 18.9 µg/m³ 18.2 24h 10
2026-05-19 49 33–60 12.0 µg/m³ 8.1 24h 10
2026-05-18 57 47–69 15.2 µg/m³ 11.8 24h 9
2026-05-17 64 42–91 18.3 µg/m³ 24.9 24h 9
2026-05-16 32 23–50 7.6 µg/m³ 2.6 24h 8
2026-05-15 41 20–54 9.8 µg/m³ 7.1 9h 8
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