Toronto Downtown, Ontario, Canada

Monitoring Station · Bay Street Corridor, Canada
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
18 11am
18
18
38 2pm
38
38
38 5pm
38
38
38 8pm
38
38
38 11pm
50
38
— 2am
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—
— 5am
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— 8am
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Station readings
38
CAMS model adj -16
34
34
34
54
54
54
54
54
54
54
54
54
54
66
54

Air Quality Trend (24h)

PM2.59.1 µg/m³ ✓ WHO
Good
View city history →

Nearby Monitoring Stations

50
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 12.0 µg/m³
46
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 11.0 µg/m³
42
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 10.1 µg/m³
53
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 13.1 µg/m³
-
canada-toronto-richmond-street-west
1.4 km PM2.5: 0.0 µg/m³
21
Toronto North, Ontario, Canada
13.4 km PM2.5: 5.0 µg/m³
21
Toronto North, Ontario, Canada
13.4 km PM2.5: 5.0 µg/m³
34
Toronto North, Ontario, Canada
13.4 km PM2.5: 8.2 µg/m³

Nearby Cities

38 Bay Street Corridor 38 Church-Yonge Corridor 38 North St.James Town 38 Kensington-Chinatown 37 Annex 38 Moss Park 36 Rosedale-Moore Park 37 Trinity-Bellwoods 36 Niagara

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-26T14:53 UTC.