Toronto Air Quality

Monitoring Station · Bay Street Corridor, Canada
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
22 5am
28
34
28 8am
28
28
28 11am
28
35
35 2pm
35
35
35 5pm
35
55
— 8pm
—
—
— 11pm
—
—
— 2am
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Station readings
22
34
CAMS model adj +1
27
27
27
27
27
27
27
27
34
34
34
34
34
34
54

Air Quality Forecast (24h)

PM2.58.2 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

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canada-toronto-richmond-street-west
0.5 km PM2.5: 0.0 µg/m³
25
Toronto Downtown, Ontario, Canada
1.2 km PM2.5: 6.0 µg/m³
30
Toronto Downtown, Ontario, Canada
1.2 km PM2.5: 7.2 µg/m³
20
Wood Glen
9.3 km PM2.5: 4.9 µg/m³
25
Toronto East, Ontario, Canada
13.7 km PM2.5: 6.0 µg/m³
30
Toronto East, Ontario, Canada
13.7 km PM2.5: 7.2 µg/m³
25
Toronto East, Ontario, Canada
13.7 km PM2.5: 6.0 µg/m³
30
Toronto West, Ontario, Canada
14.3 km PM2.5: 7.2 µg/m³

Nearby Cities

26 Bay Street Corridor 26 Church-Yonge Corridor 25 Moss Park 26 Kensington-Chinatown 25 North St.James Town 25 Trinity-Bellwoods 25 Niagara 25 Waterfront Communities-The Island 25 Annex

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-10T08:36 UTC.