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
75 7pm
75
75
99 10pm
99
99
75 1am
50
37
25 4am
25
25
37 7am
37
25
— 10am
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—
— 1pm
—
—
— 4pm
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Air Quality Trend (24h)

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Nearby Monitoring Stations

38
Toronto Downtown, Ontario, Canada
0.0 km
38
Toronto Downtown, Ontario, Canada
0.0 km
50
Toronto Downtown, Ontario, Canada
0.0 km
42
Toronto Downtown, Ontario, Canada
0.0 km
-
canada-toronto-richmond-street-west
1.4 km PM2.5: 0.0 µg/m³
21
Toronto East, Ontario, Canada
13.2 km
25
Toronto East, Ontario, Canada
13.2 km
21
Toronto East, Ontario, Canada
13.2 km

Nearby Cities

12 Bay Street Corridor 12 Church-Yonge Corridor 12 North St.James Town 12 Kensington-Chinatown 12 Annex 12 Moss Park 12 Rosedale-Moore Park 12 Trinity-Bellwoods 12 Niagara

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-10T22:35 UTC.