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
90
6am
90
70
70
9am
63
63
61
12pm
61
61
61
3pm
63
63
63
6pm
63
63
—
9pm
—
—
—
12am
—
—
—
3am
—
—
CAMS model
adj +36
54
54
34
34
27
27
25
25
25
25
27
27
27
27
27
Air Quality Forecast (24h)
PM2.512.0 µg/m³
✓ WHO
Good
Nearby Monitoring Stations
40
Toronto Downtown, Ontario, Canada
53
Toronto Downtown, Ontario, Canada
53
Toronto Downtown, Ontario, Canada
50
Toronto Downtown, Ontario, Canada
57
Toronto Downtown, Ontario, Canada
46
Toronto Downtown, Ontario, Canada
23
canada-toronto-richmond-street-west
85
Wood Glen
Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T09:14 UTC.