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Air Quality History for Niagara Falls, Canada

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

36
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

477h

PM2.5 Station

477h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-05-30 31 27–36 7.5 µg/m³ 4h 2
2026-05-29 38 18–77 9.8 µg/m³ 24h 6
2026-05-28 40 11–165 12.0 µg/m³ 24h 5
2026-05-27 52 12–173 17.5 µg/m³ 24h 6
2026-05-26 40 15–107 10.8 µg/m³ 24h 5
2026-05-25 43 10–127 12.1 µg/m³ 24h 5
2026-05-24 44 10–152 12.9 µg/m³ 24h 5
2026-05-23 52 18–113 15.0 µg/m³ 24h 6
2026-05-22 34 11–96 8.8 µg/m³ 24h 5
2026-05-21 44 12–111 11.9 µg/m³ 24h 6
2026-05-20 49 15–237 18.4 µg/m³ 24h 6
2026-05-19 49 20–160 14.3 µg/m³ 24h 6
2026-05-18 41 13–82 10.4 µg/m³ 24h 6
2026-05-17 42 17–189 14.1 µg/m³ 24h 4
2026-05-16 42 18–80 11.0 µg/m³ 22h 6
2026-05-15 43 5–136 11.7 µg/m³ 24h 7
2026-05-14 31 8–55 7.5 µg/m³ 24h 6
2026-05-13 38 16–73 9.6 µg/m³ 23h 7
2026-05-12 35 8–71 8.8 µg/m³ 24h 7
2026-05-11 44 15–147 12.6 µg/m³ 24h 7
2026-05-10 46 17–128 13.2 µg/m³ 20h 7
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