Hamilton Downtown, Ontario, Canada Air Quality

Monitoring Station · Hamilton, Canada
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
46 10am
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21 1pm
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47 4pm
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47 7pm
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47 10pm
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Station readings
21
CAMS model adj +22
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Air Quality Forecast (24h)

PM2.55.0 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

21
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 5.0 µg/m³
18
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 4.3 µg/m³
22
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 5.3 µg/m³
11
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 2.6 µg/m³
15
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 3.6 µg/m³
15
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 3.6 µg/m³
21
Hamilton West, Ontario, Canada
3.7 km PM2.5: 5.0 µg/m³
21
Hamilton West, Ontario, Canada
3.7 km PM2.5: 5.0 µg/m³

Nearby Cities

19 Hamilton 17 Waterdown 16 Stoney Creek 18 Ancaster 16 Burlington 16 Grimsby 19 Oakville 17 Milton 17 Brantford

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-09-05T13:59 UTC.