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 3am
90
50
90 6am
90
70
70 9am
63
63
61 12pm
61
61
61 3pm
63
63
— 6pm
—
—
— 9pm
—
—
— 12am
—
—
Station readings
50
CAMS model adj +36
54
54
54
54
54
34
34
27
27
25
25
25
25
27
27

Air Quality Forecast (24h)

PM2.512.0 µg/m³ ✓ WHO
Good
View city history →

Nearby Monitoring Stations

53
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 13.1 µg/m³
59
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 15.9 µg/m³
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
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
26
canada-toronto-richmond-street-west
1.4 km PM2.5: 6.3 µg/m³
74
Wood Glen
9.3 km PM2.5: 23.2 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 2026-08-08T06:33 UTC.