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Air Quality History for Saint-Hyacinthe, Canada

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

24
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

476h

PM2.5 Station

476h · 11 stations

Temperature GFS model

79pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-10-21 34 24–55 8.5 µg/m³ 9.0 4h 13
2026-10-20 32 19–61 7.9 µg/m³ 2.4 24h 18
2026-10-19 31 10–70 7.8 µg/m³ 2.0 24h 17
2026-10-18 22 9–58 5.4 µg/m³ 1.1 24h 16
2026-10-17 30 14–75 7.5 µg/m³ 1.0 24h 14
2026-10-16 30 15–110 7.9 µg/m³ 2.7 24h 17
2026-10-15 29 16–58 7.0 µg/m³ 5.2 24h 18
2026-10-14 43 20–81 11.6 µg/m³ 1.6 24h 20
2026-10-13 30 16–59 7.4 µg/m³ 1.4 24h 17
2026-10-12 24 13–52 5.8 µg/m³ 3.2 24h 18
2026-10-11 30 12–48 7.1 µg/m³ 3.9 24h 21
2026-10-10 23 12–51 5.6 µg/m³ 1.0 24h 17
2026-10-09 25 15–40 6.0 µg/m³ 1.4 24h 15
2026-10-08 27 4–48 6.5 µg/m³ 1.2 24h 4
2026-10-07 17 5–31 4.0 µg/m³ 2.8 24h 5
2026-10-06 12 4–22 2.8 µg/m³ 1.0 23h 5
2026-10-05 15 4–26 3.6 µg/m³ 1.7 24h 5
2026-10-04 19 12–36 4.5 µg/m³ 1.6 24h 6
2026-10-03 15 5–42 3.5 µg/m³ 1.9 24h 5
2026-10-02 34 15–56 8.2 µg/m³ 8.9 24h 5
2026-10-01 36 24–51 8.5 µg/m³ 6.3 17h 6
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