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Air Quality History for Modesto, United States

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

49
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

454h

PM2.5 Station

454h · 7 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-22 30 30–30 7.2 µg/m³ 1h 7
2026-07-21 33 21–63 8.2 µg/m³ 24h 6
2026-07-20 34 17–71 8.2 µg/m³ 24h 6
2026-07-19 31 22–48 7.5 µg/m³ 23h 7
2026-07-18 35 22–56 8.5 µg/m³ 24h 7
2026-07-17 35 19–87 8.7 µg/m³ 24h 7
2026-07-16 34 22–58 8.3 µg/m³ 24h 7
2026-07-15 34 16–62 8.2 µg/m³ 24h 7
2026-07-14 32 22–62 7.9 µg/m³ 24h 6
2026-07-13 35 18–189 11.9 µg/m³ 24h 7
2026-07-12 28 15–54 6.6 µg/m³ 24h 6
2026-07-11 36 22–71 8.8 µg/m³ 24h 6
2026-07-10 39 26–76 9.5 µg/m³ 24h 7
2026-07-09 35 20–54 8.4 µg/m³ 24h 7
2026-07-08 34 20–56 8.3 µg/m³ 24h 7
2026-07-07 31 18–54 7.4 µg/m³ 24h 7
2026-07-06 32 21–44 7.7 µg/m³ 12h 7
2026-07-05 44 24–152 12.4 µg/m³ 24h 7
2026-07-04 32 21–52 7.7 µg/m³ 24h 7
2026-07-03 40 29–54 9.6 µg/m³ 24h 7
2026-07-02 45 32–74 11.3 µg/m³ 10h 7
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