Toronto Downtown, Ontario, Canada Air Quality

Monitoring Station · Bay Street Corridor, Canada
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
40 1pm
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40 4pm
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40
60 7pm
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60 10pm
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60 1am
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60
— 4am
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CAMS model adj +6
34
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54
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54

Air Quality Forecast (24h)

PM2.57.2 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

30
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 7.2 µg/m³
25
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 6.0 µg/m³
38
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 9.1 µg/m³
-
canada-toronto-richmond-street-west
1.4 km PM2.5: 0.0 µg/m³
65
Wood Glen
9.3 km PM2.5: 18.7 µg/m³
34
Toronto East, Ontario, Canada
13.2 km PM2.5: 8.2 µg/m³
25
Toronto East, Ontario, Canada
13.2 km PM2.5: 6.0 µg/m³
30
Toronto East, Ontario, Canada
13.2 km PM2.5: 7.2 µg/m³

Nearby Cities

24 Bay Street Corridor 25 Church-Yonge Corridor 27 North St.James Town 17 Kensington-Chinatown 26 Annex 20 Moss Park 25 Rosedale-Moore Park 18 Trinity-Bellwoods 16 Niagara

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-10T16:57 UTC.