Toronto Downtown, Ontario, Canada Air Quality

Monitoring Station · Bay Street Corridor, Canada
4
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
66 8pm
66
86
86 11pm
86
66
66 2am
59
59
59 5am
59
59
59 8am
59
59
— 11am
—
—
— 2pm
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— 5pm
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—
CAMS model adj +32
34
34
54
54
54
34
34
27
27
27
27
27
27
27
27

Air Quality Forecast (24h)

PM2.51.0 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

17
Toronto
1.2 km PM2.5: 4.1 µg/m³
34
Toronto
1.2 km PM2.5: 8.2 µg/m³
-
canada-toronto-richmond-street-west
1.4 km PM2.5: 0.1 µg/m³
36
Toronto East, Ontario, Canada
13.2 km PM2.5: 8.6 µg/m³
69
Toronto East, Ontario, Canada
13.2 km PM2.5: 20.7 µg/m³
17
Toronto East, Ontario, Canada
13.2 km PM2.5: 4.1 µg/m³
3
Toronto North, Ontario, Canada
13.4 km PM2.5: 0.7 µg/m³
142
Toronto North, Ontario, Canada
13.4 km PM2.5: 52.2 µg/m³

Nearby Cities

31 Bay Street Corridor 31 Church-Yonge Corridor 31 North St.James Town 31 Kensington-Chinatown 31 Annex 31 Moss Park 31 Rosedale-Moore Park 31 Trinity-Bellwoods 31 Niagara

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-08T23:34 UTC.