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Air Quality History for Mont-Saint-Hilaire, Canada

Historical PM2.5 and AQI trend from monitoring stations near Mont-Saint-Hilaire, Canada.

17
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

480h

PM2.5 Station

480h · 3 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-06-09 23 18–30 5.5 µg/m³ 3.0 3h 7
2026-06-08 30 17–59 7.2 µg/m³ 5.0 24h 12
2026-06-07 35 15–99 9.2 µg/m³ 5.6 24h 13
2026-06-06 56 25–88 15.3 µg/m³ 20.4 24h 11
2026-06-05 45 34–74 11.4 µg/m³ 9.3 24h 9
2026-06-04 38 19–69 9.4 µg/m³ 7.0 24h 11
2026-06-03 34 16–66 8.5 µg/m³ 3.8 24h 10
2026-06-02 36 9–68 9.2 µg/m³ 4.0 24h 12
2026-06-01 41 25–65 10.0 µg/m³ 3.8 24h 13
2026-05-31 50 24–129 13.3 µg/m³ 10.1 24h 14
2026-05-30 50 16–128 14.0 µg/m³ 2.4 24h 16
2026-05-29 57 21–158 16.2 µg/m³ 6.1 24h 20
2026-05-28 47 20–88 12.7 µg/m³ 3.3 24h 16
2026-05-27 45 21–94 12.1 µg/m³ 2.1 24h 16
2026-05-26 47 20–109 12.7 µg/m³ 5.7 24h 17
2026-05-25 50 14–126 14.1 µg/m³ 3.6 24h 15
2026-05-24 60 26–102 17.8 µg/m³ 5.5 24h 18
2026-05-23 57 20–92 16.4 µg/m³ 6.2 24h 19
2026-05-22 48 12–156 13.6 µg/m³ 2.5 24h 16
2026-05-21 55 20–98 15.4 µg/m³ 2.6 24h 18
2026-05-20 55 24–152 15.3 µg/m³ 6.3 21h 18
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