Toronto Downtown, Ontario, Canada Air Quality

Monitoring Station · Bay Street Corridor, Canada
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
54 9pm
66
66
54 12am
54
54
54 3am
54
54
54 6am
54
34
34 9am
27
27
— 12pm
—
—
— 3pm
—
—
— 6pm
—
—

Air Quality Forecast (24h)

PM2.59.6 µg/m³ ✓ WHO
Good
View city history →

Nearby Monitoring Stations

50
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 12.0 µg/m³
50
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 12.0 µg/m³
53
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 13.1 µg/m³
14
canada-toronto-richmond-street-west
1.4 km PM2.5: 3.4 µg/m³
61
Wood Glen
9.3 km PM2.5: 17.0 µg/m³
50
Toronto East, Ontario, Canada
13.2 km PM2.5: 12.0 µg/m³
39
Toronto East, Ontario, Canada
13.2 km PM2.5: 9.4 µg/m³
38
Toronto East, Ontario, Canada
13.2 km PM2.5: 9.1 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 2026-08-08T00:41 UTC.