Hamilton Downtown, Ontario, Canada Air Quality

Monitoring Station · Hamilton, Canada
95
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
34 11pm
34
27
34 2am
54
54
54 5am
54
54
54 8am
54
54
54 11am
54
54
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Air Quality Forecast (24h)

PM2.533.0 µg/m³ ×2.2 WHO
Moderate
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Nearby Monitoring Stations

55
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 14.0 µg/m³
69
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 20.7 µg/m³
90
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 30.6 µg/m³
100
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 35.4 µg/m³
112
Hamilton West, Ontario, Canada
3.7 km PM2.5: 40.0 µg/m³
197
Hamilton West, Ontario, Canada
3.7 km PM2.5: 144.6 µg/m³
44
Burlington, Ontario, Canada
8.0 km PM2.5: 10.6 µg/m³
76
Burlington, Ontario, Canada
8.0 km PM2.5: 24.0 µg/m³

Nearby Cities

31 Hamilton 30 Waterdown 31 Stoney Creek 32 Ancaster 29 Burlington 30 Grimsby 25 Oakville 28 Milton 39 Brantford

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T02:22 UTC.