Toronto Downtown, Ontario, Canada Air Quality
Monitoring Station
· Bay Street Corridor, Canada
50
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
78
2am
78
78
50
5am
78
78
58
8am
58
51
51
11am
49
49
49
2pm
49
51
—
5pm
—
—
—
8pm
—
—
—
11pm
—
—
Station readings
50
CAMS model
adj +24
54
54
54
54
54
54
34
34
27
27
25
25
25
25
27
Air Quality Forecast (24h)
PM2.512.0 µg/m³
✓ WHO
Good
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50
Toronto Downtown, Ontario, Canada
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40
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31
canada-toronto-richmond-street-west
77
Wood Glen
39
Toronto East, Ontario, Canada
Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T05:41 UTC.