Toronto Downtown, Ontario, Canada

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
55 8pm
27
27
34 11pm
20
27
47 2am
47
47
27 5am
27
27
20 8am
20
18
— 11am
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—
— 2pm
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— 5pm
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Station readings
55
34
CAMS model adj -7
54
34
34
27
27
34
54
54
54
34
34
34
27
27
25

Air Quality Trend (24h)

PM2.58.2 µg/m³ ✓ WHO
Good
View city history →

Nearby Monitoring Stations

32
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 7.7 µg/m³
50
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 12.0 µg/m³
30
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 7.2 µg/m³
-
canada-toronto-richmond-street-west
1.4 km PM2.5: 0.0 µg/m³
34
Toronto East, Ontario, Canada
13.2 km PM2.5: 8.2 µg/m³
34
Toronto East, Ontario, Canada
13.2 km PM2.5: 8.2 µg/m³
27
Toronto East, Ontario, Canada
13.2 km PM2.5: 6.5 µg/m³
25
Toronto East, Ontario, Canada
13.2 km PM2.5: 6.0 µg/m³

Nearby Cities

34 Bay Street Corridor 34 Church-Yonge Corridor 34 North St.James Town 34 Kensington-Chinatown 34 Annex 34 Moss Park 33 Rosedale-Moore Park 33 Trinity-Bellwoods 33 Niagara

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-14T23:59 UTC.