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Air Quality History for Ottawa South, Canada

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

42
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

171h

PM2.5 Station

171h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-21 66 55–76 19.0 µg/m³ 2h 2
2026-07-20 28 22–34 6.8 µg/m³ 6h 2
2026-07-19 32 22–42 7.7 µg/m³ 2h 2
2026-07-18 76 24–160 28.0 µg/m³ 4h 2
2026-07-17 23 22–24 5.5 µg/m³ 2h 2
2026-07-14 40 26–55 10.1 µg/m³ 2h 2
2026-07-13 56 50–65 14.3 µg/m³ 8h 2
2026-07-12 110 59–132 38.6 µg/m³ 7h 2
2026-07-11 60 30–104 17.3 µg/m³ 14h 2
2026-07-10 39 17–93 10.8 µg/m³ 14h 2
2026-07-09 42 30–50 10.0 µg/m³ 12h 2
2026-07-08 34 24–46 8.2 µg/m³ 10h 2
2026-07-07 50 42–57 12.5 µg/m³ 6h 2
2026-07-06 32 21–42 7.6 µg/m³ 7h 2
2026-07-05 35 21–55 8.6 µg/m³ 20h 2
2026-07-04 38 24–53 9.2 µg/m³ 23h 2
2026-07-03 37 27–42 8.9 µg/m³ 23h 2
2026-07-02 41 34–46 9.9 µg/m³ 9h 2
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