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Air Quality History for Châteauguay, Canada

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

52
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

457h

PM2.5 Station

457h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-07-21 57 30–87 16.2 µg/m³ 11.1 22h 2
2026-07-20 37 14–56 9.0 µg/m³ 5.5 24h 2
2026-07-19 46 8–155 14.6 µg/m³ 10.1 24h 2
2026-07-18 58 19–168 21.3 µg/m³ 14.3 24h 2
2026-07-17 16 4–33 3.9 µg/m³ 2.3 24h 2
2026-07-16 42 5–73 10.9 µg/m³ 7.9 24h 2
2026-07-15 82 15–149 27.6 µg/m³ 19.5 24h 2
2026-07-14 83 60–117 27.3 µg/m³ 18.3 24h 2
2026-07-13 86 68–105 28.5 µg/m³ 19.5 24h 2
2026-07-12 55 30–85 15.5 µg/m³ 10.2 24h 2
2026-07-11 44 28–57 10.7 µg/m³ 7.0 24h 2
2026-07-10 59 31–83 16.6 µg/m³ 10.4 24h 2
2026-07-09 39 4–75 10.7 µg/m³ 6.3 24h 2
2026-07-08 48 15–65 12.7 µg/m³ 7.9 24h 2
2026-07-07 59 37–87 16.3 µg/m³ 12.5 24h 2
2026-07-06 58 33–70 15.9 µg/m³ 13.5 13h 2
2026-07-05 37 17–57 8.9 µg/m³ 5.8 24h 2
2026-07-04 59 25–81 16.6 µg/m³ 10.5 24h 2
2026-07-03 55 32–70 14.5 µg/m³ 9.7 24h 2
2026-07-02 34 16–58 8.3 µg/m³ 5.6 13h 2
2026-07-01 72 72–72 22.3 µg/m³ 15.6 1h 2
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