Hamilton Downtown, Ontario, Canada Air Quality

Monitoring Station · Hamilton, Canada
19
Good
Air quality is satisfactory. Enjoy outdoor activities.
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GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
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Air Quality Forecast (24h)

PM2.54.6 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

20
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 4.8 µg/m³
17
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 4.1 µg/m³
21
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 5.0 µg/m³
35
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 8.4 µg/m³
21
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 5.0 µg/m³
18
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 4.3 µg/m³
17
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 4.1 µg/m³
20
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 4.8 µg/m³

Nearby Cities

20 Hamilton 23 Waterdown 22 Stoney Creek 20 Ancaster 23 Burlington 23 Grimsby 22 Oakville 18 Milton 25 Brantford

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-10-21T00:31 UTC.