Toronto Downtown, Ontario, Canada Air Quality

Monitoring Station · Bay Street Corridor, Canada
57
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
54 9pm
54
54
54 12am
54
54
54 3am
54
54
54 6am
54
54
54 9am
34
34
— 12pm
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Air Quality Forecast (24h)

PM2.515.0 µg/m³ ✓ WHO
Moderate
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Nearby Monitoring Stations

53
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 13.1 µg/m³
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
55
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 14.0 µg/m³
11
canada-toronto-richmond-street-west
1.4 km PM2.5: 2.7 µg/m³
63
Wood Glen
9.3 km PM2.5: 17.7 µg/m³
30
Toronto East, Ontario, Canada
13.2 km PM2.5: 7.2 µg/m³
25
Toronto East, Ontario, Canada
13.2 km PM2.5: 6.0 µg/m³

Nearby Cities

38 Bay Street Corridor 42 Church-Yonge Corridor 45 North St.James Town 23 Kensington-Chinatown 44 Annex 30 Moss Park 45 Rosedale-Moore Park 26 Trinity-Bellwoods 24 Niagara

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-11T00:05 UTC.