Toronto Downtown, Ontario, Canada

Monitoring Station · Bay Street Corridor, Canada
53
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
53 12am
50
50
50 3am
50
37
37 6am
37
37
37 9am
50
37
37 12pm
37
50
— 3pm
—
—
— 6pm
—
—
— 9pm
—
—

Air Quality Trend (24h)

Nearby Monitoring Stations

50
Toronto Downtown, Ontario, Canada
0.0 km
30
Toronto Downtown, Ontario, Canada
0.0 km
46
Toronto Downtown, Ontario, Canada
0.0 km
55
Toronto Downtown, Ontario, Canada
0.0 km
-
canada-toronto-richmond-street-west
1.4 km PM2.5: 0.0 µg/m³
57
Toronto East, Ontario, Canada
13.2 km
50
Toronto East, Ontario, Canada
13.2 km
25
Toronto East, Ontario, Canada
13.2 km

Nearby Cities

10 Bay Street Corridor 10 Church-Yonge Corridor 10 North St.James Town 10 Kensington-Chinatown 10 Annex 10 Moss Park 10 Rosedale-Moore Park 10 Trinity-Bellwoods 10 Niagara

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-10T03:43 UTC.