Hamilton Downtown, Ontario, Canada Air Quality

Monitoring Station · Hamilton, Canada
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
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GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
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Air Quality Forecast (24h)

PM2.56.0 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

59
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 15.9 µg/m³
50
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 12.0 µg/m³
55
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 14.0 µg/m³
32
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 7.7 µg/m³
53
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 13.1 µg/m³
55
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 14.0 µg/m³
26
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 6.2 µg/m³
42
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 10.1 µg/m³

Nearby Cities

54 Hamilton 45 Waterdown 50 Stoney Creek 49 Ancaster 39 Burlington 48 Grimsby 21 Oakville 31 Milton 30 Brantford

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-10-22T10:27 UTC.