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Air Quality History for Huntsville, Canada

Historical PM2.5 and AQI trend from monitoring stations near Huntsville, Canada.

39
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

275h

PM2.5 Station

275h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-22 33 30–39 8.0 µg/m³ 3h 1
2026-07-21 81 27–123 26.8 µg/m³ 24h 1
2026-07-20 20 8–40 4.7 µg/m³ 24h 1
2026-07-19 38 13–122 11.6 µg/m³ 24h 1
2026-07-18 148 77–174 68.4 µg/m³ 24h 1
2026-07-17 16 4–79 4.1 µg/m³ 24h 1
2026-07-16 35 16–58 8.7 µg/m³ 4h 1
2026-07-14 31 18–38 7.5 µg/m³ 3h 1
2026-07-13 51 3–63 14.0 µg/m³ 7h 1
2026-07-12 113 68–152 39.9 µg/m³ 7h 1
2026-07-11 52 34–80 14.0 µg/m³ 14h 1
2026-07-10 20 13–42 4.8 µg/m³ 14h 1
2026-07-09 19 4–30 4.5 µg/m³ 13h 1
2026-07-08 18 2–34 4.4 µg/m³ 11h 1
2026-07-07 23 2–34 5.6 µg/m³ 6h 1
2026-07-06 24 15–38 5.7 µg/m³ 6h 1
2026-07-05 28 18–38 6.7 µg/m³ 19h 1
2026-07-04 25 2–37 6.0 µg/m³ 20h 1
2026-07-03 25 2–38 6.1 µg/m³ 21h 1
2026-07-02 33 31–38 8.0 µg/m³ 7h 1
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