Toronto Downtown, Ontario, Canada Air Quality

Monitoring Station · Bay Street Corridor, Canada
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
22 8pm
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— 11am
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CAMS model adj +16
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Air Quality Forecast (24h)

PM2.55.3 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

21
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 5.0 µg/m³
22
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 5.3 µg/m³
2
canada-toronto-richmond-street-west
1.4 km PM2.5: 0.5 µg/m³
-
Wood Glen
9.3 km PM2.5: 0.0 µg/m³
20
Toronto East, Ontario, Canada
13.2 km PM2.5: 4.8 µg/m³
18
Toronto East, Ontario, Canada
13.2 km PM2.5: 4.3 µg/m³
22
Toronto North, Ontario, Canada
13.4 km PM2.5: 5.3 µg/m³
22
Toronto West, Ontario, Canada
13.5 km PM2.5: 5.3 µg/m³

Nearby Cities

17 Bay Street Corridor 18 Church-Yonge Corridor 19 North St.James Town 11 Kensington-Chinatown 19 Annex 14 Moss Park 18 Rosedale-Moore Park 12 Trinity-Bellwoods 11 Niagara

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-09-20T23:37 UTC.