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Air Quality History for Fitchburg, United States

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

22
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

348h

PM2.5 Station

348h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-10-21 22 20–24 5.2 µg/m³ 3h 2
2026-10-20 34 20–57 8.2 µg/m³ 16h 2
2026-10-19 13 11–16 3.2 µg/m³ 14h 2
2026-10-18 10 5–14 2.5 µg/m³ 19h 2
2026-10-17 6 4–14 1.5 µg/m³ 16h 2
2026-10-16 12 5–20 2.8 µg/m³ 18h 2
2026-10-15 16 11–26 4.0 µg/m³ 20h 2
2026-10-14 17 13–28 4.0 µg/m³ 16h 2
2026-10-13 35 25–50 8.5 µg/m³ 18h 1
2026-10-12 40 34–54 9.6 µg/m³ 21h 1
2026-10-11 34 24–49 8.2 µg/m³ 15h 1
2026-10-10 41 28–55 9.9 µg/m³ 17h 1
2026-10-09 26 16–48 6.3 µg/m³ 18h 2
2026-10-08 28 19–36 6.7 µg/m³ 14h 1
2026-10-07 32 24–41 7.7 µg/m³ 20h 1
2026-10-06 28 20–44 6.8 µg/m³ 19h 2
2026-10-05 24 18–36 5.8 µg/m³ 20h 2
2026-10-04 26 15–32 6.1 µg/m³ 16h 1
2026-10-03 24 17–33 5.7 µg/m³ 17h 2
2026-10-02 21 14–30 5.1 µg/m³ 16h 1
2026-10-01 24 14–43 5.8 µg/m³ 15h 2
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