Toronto Downtown, Ontario, Canada Air Quality

Monitoring Station · Bay Street Corridor, Canada
50
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
84 10pm
50
72
72 1am
72
72
72 4am
72
72
72 7am
52
52
45 10am
45
43
1pm
4pm
7pm
Station readings
50
CAMS model adj +18
66
66
54
54
54
54
54
54
54
54
34
34
27
27
25
PM2.512.0 µg/m³ ✓ WHO
Good
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T01:31 UTC.