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Air Quality History for Niagara, Canada

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

33
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

180h

PM2.5 Station

180h · 6 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-21 91 8–127 31.9 µg/m³ 23h 1
2026-07-20 36 1–120 10.8 µg/m³ 16h 1
2026-07-19 44 12–161 15.6 µg/m³ 7h 3
2026-07-18 118 41–186 65.8 µg/m³ 4h 6
2026-07-17 75 1–121 25.1 µg/m³ 15h 1
2026-07-16 107 71–151 37.5 µg/m³ 24h 1
2026-07-15 66 11–114 21.8 µg/m³ 18h 1
2026-07-14 60 58–61 16.3 µg/m³ 3h 6
2026-07-13 65 55–88 18.7 µg/m³ 8h 6
2026-07-12 61 49–84 16.9 µg/m³ 7h 6
2026-07-11 55 46–59 14.2 µg/m³ 14h 6
2026-07-10 20 1–115 4.8 µg/m³ 17h 2
2026-07-09 44 11–60 11.0 µg/m³ 13h 5
2026-07-08 28 17–41 6.6 µg/m³ 11h 6
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