Toronto Air Quality

Monitoring Station · Bay Street Corridor, Canada
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
25 11pm
31
11
11 2am
4
4
4 5am
4
4
4 8am
4
4
4 11am
11
—
— 2pm
—
—
— 5pm
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— 8pm
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CAMS model adj -23
54
54
34
34
27
27
27
27
27
27
27
27
27
34

Air Quality Forecast (24h)

PM2.56.0 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

34
Toronto
0.0 km PM2.5: 8.2 µg/m³
-
canada-toronto-richmond-street-west
0.5 km PM2.5: 0.1 µg/m³
4
Toronto Downtown, Ontario, Canada
1.2 km PM2.5: 1.0 µg/m³
20
Toronto East, Ontario, Canada
13.7 km PM2.5: 4.8 µg/m³
69
Toronto East, Ontario, Canada
13.7 km PM2.5: 20.7 µg/m³
17
Toronto East, Ontario, Canada
13.7 km PM2.5: 4.1 µg/m³
140
Toronto West, Ontario, Canada
14.3 km PM2.5: 51.3 µg/m³
3
Toronto North, Ontario, Canada
14.5 km PM2.5: 0.7 µg/m³

Nearby Cities

28 Bay Street Corridor 28 Church-Yonge Corridor 28 Moss Park 28 Kensington-Chinatown 28 North St.James Town 28 Trinity-Bellwoods 28 Niagara 28 Waterfront Communities-The Island 28 Annex

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T02:05 UTC.