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Air Quality History for Hamilton, Canada

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

43
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

176h

PM2.5 Station

176h · 4 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-21 39 35–43 9.3 µg/m³ 2h 4
2026-07-20 46 25–95 13.4 µg/m³ 6h 4
2026-07-19 78 27–161 29.9 µg/m³ 4h 4
2026-07-18 115 31–193 68.9 µg/m³ 4h 4
2026-07-17 302 299–306 252.9 µg/m³ 2h 4
2026-07-14 58 57–59 15.6 µg/m³ 3h 4
2026-07-13 66 57–70 19.5 µg/m³ 8h 4
2026-07-12 62 54–76 17.2 µg/m³ 7h 4
2026-07-11 46 32–68 11.6 µg/m³ 14h 4
2026-07-10 29 19–36 6.9 µg/m³ 15h 4
2026-07-09 36 29–47 8.7 µg/m³ 13h 4
2026-07-08 26 17–43 6.4 µg/m³ 11h 4
2026-07-07 30 24–40 7.1 µg/m³ 6h 3
2026-07-06 40 33–48 9.7 µg/m³ 6h 3
2026-07-05 38 30–62 9.3 µg/m³ 20h 3
2026-07-04 29 23–38 7.0 µg/m³ 24h 3
2026-07-03 42 30–51 10.0 µg/m³ 24h 4
2026-07-02 61 56–67 16.8 µg/m³ 7h 4
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