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Air Quality History for Alum Rock, United States

Historical PM2.5 and AQI trend from monitoring stations near Alum Rock, United States.

54
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 79 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-21 31 24–56 7.4 µg/m³ 23h 76
2026-07-20 26 19–75 6.5 µg/m³ 24h 72
2026-07-19 28 23–57 6.6 µg/m³ 24h 75
2026-07-18 30 24–52 7.1 µg/m³ 24h 75
2026-07-17 35 31–38 8.4 µg/m³ 24h 77
2026-07-16 43 20–250 16.2 µg/m³ 24h 73
2026-07-15 35 29–58 8.6 µg/m³ 24h 76
2026-07-14 33 28–63 8.1 µg/m³ 24h 75
2026-07-13 29 25–40 7.1 µg/m³ 24h 77
2026-07-12 24 21–33 5.9 µg/m³ 24h 73
2026-07-11 27 11–61 6.6 µg/m³ 24h 60
2026-07-10 37 29–56 8.9 µg/m³ 24h 73
2026-07-09 25 18–48 6.0 µg/m³ 24h 75
2026-07-08 26 24–28 6.2 µg/m³ 24h 79
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