Toronto Downtown, Ontario, Canada Air Quality

Monitoring Station · Bay Street Corridor, Canada
50
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
50 12am
32
32
32 3am
32
32
32 6am
32
12
12 9am
5
5
3 12pm
3
3
— 3pm
—
—
— 6pm
—
—
— 9pm
—
—
CAMS model adj -22
54
54
54
54
54
54
54
54
34
34
27
27
25
25
25

Air Quality Forecast (24h)

PM2.512.0 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

50
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 12.0 µg/m³
40
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 9.6 µg/m³
46
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 11.0 µg/m³
53
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 13.1 µg/m³
30
canada-toronto-richmond-street-west
1.4 km PM2.5: 7.1 µg/m³
83
Wood Glen
9.3 km PM2.5: 27.5 µg/m³
42
Toronto East, Ontario, Canada
13.2 km PM2.5: 10.1 µg/m³
39
Toronto East, Ontario, Canada
13.2 km PM2.5: 9.4 µg/m³

Nearby Cities

55 Bay Street Corridor 55 Church-Yonge Corridor 55 North St.James Town 55 Kensington-Chinatown 55 Annex 55 Moss Park 55 Rosedale-Moore Park 55 Trinity-Bellwoods 55 Niagara

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T03:24 UTC.