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Air Quality History for Saint-Hyacinthe, Canada

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

9
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

477h

PM2.5 Station

477h · 10 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-09-05 20 14–37 4.7 µg/m³ 2.8 12h 22
2026-09-04 26 18–34 6.2 µg/m³ 6.6 24h 21
2026-09-03 25 18–38 6.0 µg/m³ 10.2 24h 20
2026-09-02 30 17–174 9.7 µg/m³ 3.8 24h 21
2026-09-01 28 18–62 6.9 µg/m³ 2.6 24h 23
2026-08-31 22 16–36 5.4 µg/m³ 3.5 24h 18
2026-08-30 28 16–62 6.9 µg/m³ 6.9 24h 20
2026-08-29 25 14–64 6.0 µg/m³ 2.7 24h 21
2026-08-28 28 16–41 6.8 µg/m³ 7.9 24h 19
2026-08-27 31 23–44 7.4 µg/m³ 7.7 24h 19
2026-08-26 36 20–62 8.7 µg/m³ 4.4 24h 19
2026-08-25 30 20–55 7.3 µg/m³ 2.1 24h 24
2026-08-24 24 18–30 5.7 µg/m³ 2.9 24h 24
2026-08-23 28 12–42 6.7 µg/m³ 5.1 24h 24
2026-08-22 41 21–65 10.0 µg/m³ 6.3 24h 21
2026-08-21 37 16–69 9.0 µg/m³ 5.4 24h 22
2026-08-20 32 23–44 7.6 µg/m³ 5.2 24h 21
2026-08-19 38 24–62 9.3 µg/m³ 4.2 24h 17
2026-08-18 32 20–42 7.7 µg/m³ 4.6 24h 24
2026-08-17 33 18–47 7.9 µg/m³ 5.4 24h 22
2026-08-16 42 33–54 10.3 µg/m³ 7.7 9h 20
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