Toronto Downtown, Ontario, Canada

Monitoring Station · Bay Street Corridor, Canada
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
79 9am
77
17
77 12pm
86
77
77 3pm
77
79
79 6pm
106
106
106 9pm
106
106
— 12am
—
—
— 3am
—
—
— 6am
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Station readings
17
CAMS model adj +52
27
25
25
25
34
25
25
25
27
27
54
54
54
54
54

Air Quality Trend (24h)

PM2.54.1 µg/m³ ✓ WHO
Good
View city history →

Nearby Monitoring Stations

50
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 12.0 µg/m³
17
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 4.1 µg/m³
17
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 4.1 µg/m³
42
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 10.1 µg/m³
25
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 6.0 µg/m³
17
Toronto Downtown, Ontario, Canada
0.0 km PM2.5: 4.1 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

Nearby Cities

23 Bay Street Corridor 23 Church-Yonge Corridor 23 North St.James Town 23 Kensington-Chinatown 23 Annex 23 Moss Park 22 Rosedale-Moore Park 23 Trinity-Bellwoods 22 Niagara

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-15T12:13 UTC.