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Air Quality History for Saint-Jean-sur-Richelieu, Canada

Historical PM2.5 and AQI trend from monitoring stations near Saint-Jean-sur-Richelieu, Canada.

64
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

440h

PM2.5 Station

440h · 1 station

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 42 17–73 11.0 µg/m³ 11.3 23h 1
2026-07-20 31 14–52 7.5 µg/m³ 7.6 24h 1
2026-07-19 25 6–72 6.5 µg/m³ 6.8 20h 1
2026-07-18 40 13–117 11.7 µg/m³ 13.1 23h 1
2026-07-17 14 4–65 3.4 µg/m³ 3.5 24h 1
2026-07-16 47 4–79 13.0 µg/m³ 13.4 24h 1
2026-07-15 76 17–121 24.9 µg/m³ 27.5 24h 1
2026-07-14 67 56–85 19.8 µg/m³ 20.2 24h 1
2026-07-13 49 17–83 13.9 µg/m³ 14.3 24h 1
2026-07-12 52 15–109 14.7 µg/m³ 15.5 24h 1
2026-07-11 42 20–95 11.2 µg/m³ 11.7 24h 1
2026-07-10 57 4–85 15.7 µg/m³ 16.0 15h 1
2026-07-09 30 7–59 7.5 µg/m³ 7.7 24h 1
2026-07-08 36 12–57 8.9 µg/m³ 9.2 24h 1
2026-07-07 52 31–75 13.3 µg/m³ 13.8 22h 1
2026-07-06 48 21–67 12.8 µg/m³ 13.3 12h 1
2026-07-05 38 20–70 9.7 µg/m³ 10.0 24h 1
2026-07-04 50 26–70 13.2 µg/m³ 13.5 24h 1
2026-07-03 45 18–68 11.5 µg/m³ 11.8 24h 1
2026-07-02 28 16–41 6.7 µg/m³ 6.8 13h 1
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