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Air Quality History for Thorold, Canada

Historical PM2.5 and AQI trend from monitoring stations near Thorold, Canada.

35
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

476h

PM2.5 Station

476h · 4 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-05-30 38 15–60 9.7 µg/m³ 6h 5
2026-05-29 33 15–64 8.2 µg/m³ 24h 6
2026-05-28 34 12–75 8.4 µg/m³ 24h 6
2026-05-27 64 21–239 24.0 µg/m³ 24h 7
2026-05-26 39 9–92 10.6 µg/m³ 24h 6
2026-05-25 42 14–152 11.6 µg/m³ 24h 6
2026-05-24 35 10–112 9.8 µg/m³ 23h 6
2026-05-23 56 18–125 16.6 µg/m³ 24h 7
2026-05-22 34 11–81 8.9 µg/m³ 24h 6
2026-05-21 59 13–160 19.1 µg/m³ 24h 7
2026-05-20 46 13–101 12.7 µg/m³ 24h 6
2026-05-19 53 17–145 14.7 µg/m³ 24h 6
2026-05-18 51 18–123 14.0 µg/m³ 24h 6
2026-05-17 33 6–70 8.2 µg/m³ 24h 4
2026-05-16 40 20–71 10.6 µg/m³ 22h 7
2026-05-15 49 13–173 15.4 µg/m³ 24h 8
2026-05-14 36 11–68 9.3 µg/m³ 24h 8
2026-05-13 41 19–69 10.4 µg/m³ 24h 8
2026-05-12 38 12–74 9.4 µg/m³ 24h 7
2026-05-11 40 10–72 10.3 µg/m³ 24h 8
2026-05-10 41 18–64 10.4 µg/m³ 17h 10
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