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Air Quality History for Richmond Hill, Canada

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

32
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

180h

PM2.5 Station

180h · 5 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 10.7 µg/m³ 16h 1
2026-07-19 42 12–161 15.2 µg/m³ 7h 3
2026-07-18 110 31–177 53.2 µg/m³ 4h 5
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 55 51–58 14.0 µg/m³ 3h 5
2026-07-13 74 55–81 23.1 µg/m³ 8h 5
2026-07-12 68 56–87 20.0 µg/m³ 7h 5
2026-07-11 55 49–64 14.1 µg/m³ 14h 5
2026-07-10 20 1–115 4.8 µg/m³ 17h 1
2026-07-09 39 11–53 9.3 µg/m³ 13h 4
2026-07-08 26 11–43 6.4 µg/m³ 11h 5
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