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
64 2pm
64
64
34 5pm
66
93
93 8pm
93
93
93 11pm
93
73
73 2am
73
66
— 5am
—
—
— 8am
—
—
— 11am
—
—
Station readings
34
CAMS model adj +39
25
25
25
27
27
54
54
54
54
54
54
34
34
34
27

Air Quality Trend (24h)

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

Nearby Monitoring Stations

55
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 14.0 µg/m³
50
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 12.0 µg/m³
25
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 6.0 µg/m³
-
canada-toronto-richmond-street-west
1.4 km PM2.5: 0.0 µg/m³
17
Toronto East, Ontario, Canada
13.2 km PM2.5: 4.1 µg/m³
21
Toronto East, Ontario, Canada
13.2 km PM2.5: 5.0 µg/m³
17
Toronto East, Ontario, Canada
13.2 km PM2.5: 4.1 µg/m³
50
Toronto East, Ontario, Canada
13.2 km PM2.5: 12.0 µg/m³

Nearby Cities

26 Bay Street Corridor 26 Church-Yonge Corridor 26 North St.James Town 26 Kensington-Chinatown 26 Annex 26 Moss Park 26 Rosedale-Moore Park 26 Trinity-Bellwoods 26 Niagara

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-15T17:35 UTC.