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Air Quality History for San Jose, United States

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

47
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

457h

PM2.5 Station

457h · 82 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-21 30 24–55 7.3 µg/m³ 21h 78
2026-07-20 26 18–85 6.7 µg/m³ 24h 74
2026-07-19 27 22–44 6.6 µg/m³ 24h 78
2026-07-18 30 25–64 7.4 µg/m³ 24h 78
2026-07-17 36 30–42 8.6 µg/m³ 24h 79
2026-07-16 43 31–223 15.2 µg/m³ 24h 74
2026-07-15 35 30–56 8.4 µg/m³ 24h 77
2026-07-14 33 30–38 7.8 µg/m³ 24h 76
2026-07-13 30 26–45 7.2 µg/m³ 24h 78
2026-07-12 26 21–48 6.2 µg/m³ 24h 74
2026-07-11 28 19–63 6.9 µg/m³ 24h 61
2026-07-10 35 22–39 8.4 µg/m³ 24h 74
2026-07-09 24 14–32 5.7 µg/m³ 24h 76
2026-07-08 26 23–30 6.2 µg/m³ 24h 80
2026-07-07 21 17–26 5.1 µg/m³ 24h 81
2026-07-06 19 16–21 4.6 µg/m³ 12h 81
2026-07-05 32 18–75 8.5 µg/m³ 24h 80
2026-07-04 23 19–28 5.5 µg/m³ 24h 81
2026-07-03 28 23–33 6.7 µg/m³ 24h 81
2026-07-02 32 28–41 7.6 µg/m³ 14h 64
2026-07-01 32 32–32 7.7 µg/m³ 2h 79
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