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Air Quality History for Fairfield, United States

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

45
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

429h

PM2.5 Station

429h · 5 stations

Temperature GFS model

79pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-21 49 15–72 12.5 µg/m³ 21h 4
2026-07-20 70 32–112 21.6 µg/m³ 20h 3
2026-07-19 55 18–129 16.0 µg/m³ 22h 3
2026-07-18 60 23–153 17.5 µg/m³ 19h 4
2026-07-17 105 34–198 45.5 µg/m³ 24h 5
2026-07-16 77 36–343 34.8 µg/m³ 24h 4
2026-07-15 47 27–83 11.8 µg/m³ 23h 5
2026-07-14 37 2–62 9.0 µg/m³ 24h 4
2026-07-13 36 23–53 8.6 µg/m³ 23h 4
2026-07-12 33 20–54 7.9 µg/m³ 21h 4
2026-07-11 34 24–49 8.2 µg/m³ 23h 5
2026-07-10 35 22–58 8.4 µg/m³ 22h 5
2026-07-09 38 18–59 9.2 µg/m³ 22h 5
2026-07-08 37 21–53 8.9 µg/m³ 24h 5
2026-07-07 34 18–50 8.2 µg/m³ 22h 5
2026-07-06 38 22–45 9.0 µg/m³ 12h 5
2026-07-05 59 33–143 17.0 µg/m³ 24h 5
2026-07-04 42 30–58 10.1 µg/m³ 24h 5
2026-07-03 53 37–81 13.9 µg/m³ 24h 5
2026-07-02 56 44–66 14.8 µg/m³ 11h 4
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