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Air Quality History for Santa Clara, United States

Historical PM2.5 and AQI trend from monitoring stations near Santa Clara, United States.

21
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

477h

PM2.5 Station

477h · 91 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-10-21 30 27–32 7.0 µg/m³ 1.7 3h 90
2026-10-20 20 16–35 4.7 µg/m³ 5.4 24h 80
2026-10-19 23 20–30 5.6 µg/m³ 11.7 24h 91
2026-10-18 34 26–40 8.1 µg/m³ 20.3 24h 84
2026-10-17 29 23–32 6.9 µg/m³ 12.8 24h 93
2026-10-16 30 23–37 7.3 µg/m³ 12.3 24h 89
2026-10-15 29 25–36 7.0 µg/m³ 12.3 24h 96
2026-10-14 24 20–29 5.8 µg/m³ 11.2 24h 97
2026-10-13 25 19–30 6.0 µg/m³ 12.1 24h 96
2026-10-12 25 23–28 6.1 µg/m³ 10.5 24h 97
2026-10-11 28 25–31 6.7 µg/m³ 14.5 24h 97
2026-10-10 30 24–49 7.3 µg/m³ 14.3 24h 85
2026-10-09 38 30–68 9.4 µg/m³ 19.9 24h 90
2026-10-08 29 25–36 7.0 µg/m³ 11.5 24h 97
2026-10-07 27 23–34 6.5 µg/m³ 12.7 24h 94
2026-10-06 32 29–39 7.6 µg/m³ 13.2 24h 93
2026-10-05 31 28–34 7.5 µg/m³ 8.5 24h 97
2026-10-04 36 17–42 8.6 µg/m³ 4.2 24h 89
2026-10-03 38 28–54 9.0 µg/m³ 7.6 24h 94
2026-10-02 36 25–53 8.6 µg/m³ 6.9 24h 96
2026-10-01 26 20–35 6.2 µg/m³ 2.2 18h 96
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