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Air Quality History for Waterdown, Canada

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

40
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

177h

PM2.5 Station

177h · 7 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-21 40 36–44 9.6 µg/m³ 2h 7
2026-07-20 45 25–93 13.0 µg/m³ 6h 6
2026-07-19 77 30–160 29.0 µg/m³ 4h 7
2026-07-18 118 33–187 67.4 µg/m³ 4h 7
2026-07-17 286 278–295 236.6 µg/m³ 2h 7
2026-07-14 59 56–61 15.9 µg/m³ 3h 7
2026-07-13 65 54–69 18.7 µg/m³ 8h 7
2026-07-12 60 52–67 16.3 µg/m³ 7h 7
2026-07-11 46 31–65 11.5 µg/m³ 14h 7
2026-07-10 29 20–35 6.9 µg/m³ 15h 7
2026-07-09 38 31–47 9.0 µg/m³ 13h 7
2026-07-08 25 12–43 5.9 µg/m³ 11h 6
2026-07-07 31 24–42 7.6 µg/m³ 6h 6
2026-07-06 43 32–52 10.3 µg/m³ 6h 6
2026-07-05 39 31–57 9.5 µg/m³ 20h 6
2026-07-04 30 23–39 7.3 µg/m³ 24h 6
2026-07-03 44 29–56 10.5 µg/m³ 24h 7
2026-07-02 61 55–65 16.9 µg/m³ 8h 6
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