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Air Quality History for Saint-Hyacinthe, Canada

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

29
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

333h

PM2.5 Station

333h · 14 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-10-21 37 25–62 9.3 µg/m³ 8.4 7h 12
2026-10-20 31 13–76 7.8 µg/m³ 2.4 24h 16
2026-10-19 28 12–54 6.7 µg/m³ 2.0 24h 16
2026-10-18 23 10–58 5.7 µg/m³ 1.1 24h 15
2026-10-17 30 12–95 7.8 µg/m³ 1.0 24h 12
2026-10-16 27 14–67 6.7 µg/m³ 2.7 24h 17
2026-10-15 24 12–44 5.7 µg/m³ 5.2 24h 16
2026-10-14 30 17–57 7.4 µg/m³ 1.6 24h 18
2026-10-13 25 12–54 6.1 µg/m³ 1.4 24h 15
2026-10-12 24 15–53 5.8 µg/m³ 3.2 24h 16
2026-10-11 27 13–48 6.4 µg/m³ 3.9 24h 20
2026-10-10 23 9–60 5.5 µg/m³ 1.0 24h 14
2026-10-09 26 14–62 6.3 µg/m³ 1.4 24h 13
2026-10-08 24 4–48 5.7 µg/m³ 1.2 24h 4
2026-10-07 13 8–26 3.2 µg/m³ 1.0 14h 4
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