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Air Quality History for Colchester, United States

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

37
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

269h

PM2.5 Station

269h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-22 31 6–43 7.5 µg/m³ 5h 1
2026-07-21 46 31–71 11.9 µg/m³ 13h 1
2026-07-20 72 18–149 22.6 µg/m³ 15h 1
2026-07-19 66 26–156 20.6 µg/m³ 18h 1
2026-07-18 60 28–130 17.9 µg/m³ 17h 1
2026-07-17 61 21–414 28.4 µg/m³ 22h 1
2026-07-16 92 24–330 55.3 µg/m³ 20h 1
2026-07-15 45 27–98 11.7 µg/m³ 19h 1
2026-07-14 44 17–67 10.9 µg/m³ 21h 1
2026-07-13 37 16–71 9.3 µg/m³ 19h 1
2026-07-12 44 22–72 11.2 µg/m³ 17h 1
2026-07-11 39 18–86 9.9 µg/m³ 21h 1
2026-07-10 34 19–53 8.1 µg/m³ 22h 1
2026-07-09 38 13–70 9.3 µg/m³ 22h 1
2026-07-08 42 14–98 11.1 µg/m³ 18h 1
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