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Air Quality History for Niagara-on-the-Lake, Canada

Historical PM2.5 and AQI trend from monitoring stations near Niagara-on-the-Lake, Canada.

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

Air Quality Index Station

474h

PM2.5 Station

474h · 4 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-05-30 36 22–63 9.2 µg/m³ — 5h 4
2026-05-29 32 10–64 8.1 µg/m³ — 24h 4
2026-05-28 33 6–88 8.4 µg/m³ — 24h 5
2026-05-27 58 20–240 23.5 µg/m³ — 24h 4
2026-05-26 39 9–101 11.0 µg/m³ — 23h 4
2026-05-25 42 8–88 11.0 µg/m³ — 24h 4
2026-05-24 42 6–133 12.5 µg/m³ — 24h 4
2026-05-23 57 16–153 17.8 µg/m³ — 24h 4
2026-05-22 38 8–153 10.8 µg/m³ — 24h 4
2026-05-21 60 9–184 22.4 µg/m³ — 24h 5
2026-05-20 62 10–299 25.5 µg/m³ — 23h 4
2026-05-19 56 25–165 16.7 µg/m³ — 24h 4
2026-05-18 55 24–154 16.0 µg/m³ — 23h 4
2026-05-17 35 1–99 8.9 µg/m³ — 23h 3
2026-05-16 48 19–114 13.4 µg/m³ — 22h 5
2026-05-15 50 12–116 14.0 µg/m³ — 24h 6
2026-05-14 40 12–86 10.6 µg/m³ — 24h 5
2026-05-13 41 12–163 12.0 µg/m³ 0.8 24h 6
2026-05-12 40 15–96 10.8 µg/m³ — 24h 6
2026-05-11 46 18–91 12.5 µg/m³ 23.4 24h 6
2026-05-10 47 23–152 13.2 µg/m³ 22.8 19h 7
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