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Air Quality History for Niagara, Canada

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

31
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 13 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-05-30 41 27–80 10.8 µg/m³ 2.0 8h 13
2026-05-29 50 16–124 14.1 µg/m³ 12.1 24h 15
2026-05-28 45 18–101 12.0 µg/m³ 1.6 24h 14
2026-05-27 56 21–106 15.9 µg/m³ 6.1 24h 16
2026-05-26 53 18–134 15.3 µg/m³ 6.0 24h 13
2026-05-25 65 24–154 19.5 µg/m³ 11.2 24h 16
2026-05-24 47 13–86 12.8 µg/m³ 7.1 24h 14
2026-05-23 72 38–168 23.3 µg/m³ 2.7 24h 18
2026-05-22 47 16–99 13.2 µg/m³ 5.0 24h 13
2026-05-21 91 30–187 33.2 µg/m³ 1.6 24h 18
2026-05-20 79 14–259 32.7 µg/m³ 7.2 24h 15
2026-05-19 51 22–113 14.2 µg/m³ 8.5 24h 14
2026-05-18 66 21–144 20.1 µg/m³ 29.4 24h 13
2026-05-17 53 25–111 14.5 µg/m³ 27.7 24h 7
2026-05-16 43 28–71 10.9 µg/m³ 11.1 16h 15
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