Hamilton Downtown, Ontario, Canada Air Quality

Monitoring Station · Hamilton, Canada
46
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
44 2am
46
44
44 5am
24
24
24 8am
24
17
15 11am
15
15
15 2pm
15
15
— 5pm
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—
— 8pm
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— 11pm
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Station readings
46
CAMS model adj -10
54
54
54
54
34
34
34
34
27
25
25
25
25
25
25

Air Quality Forecast (24h)

PM2.511.0 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

68
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 20.2 µg/m³
34
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 8.2 µg/m³
46
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 11.0 µg/m³
46
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 11.0 µg/m³
40
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 9.6 µg/m³
34
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 8.2 µg/m³
34
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 8.2 µg/m³
38
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 9.1 µg/m³

Nearby Cities

36 Hamilton 38 Waterdown 38 Stoney Creek 38 Ancaster 38 Burlington 38 Grimsby 39 Oakville 41 Milton 46 Brantford

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T05:53 UTC.