Hamilton Downtown, Ontario, Canada Air Quality

Monitoring Station · Hamilton, Canada
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
37 5pm
37
37
37 8pm
57
57
37 11pm
30
28
28 2am
28
28
30 5am
28
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CAMS model adj +3
34
34
34
34
54
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34
27
25
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27
25

Air Quality Forecast (24h)

PM2.59.1 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

23
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 5.5 µg/m³
13
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 3.1 µg/m³
37
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 8.9 µg/m³
50
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 12.0 µg/m³
34
Hamilton West, Ontario, Canada
3.7 km PM2.5: 8.2 µg/m³
28
Hamilton West, Ontario, Canada
3.7 km PM2.5: 6.7 µg/m³
52
Burlington, Ontario, Canada
8.0 km PM2.5: 12.6 µg/m³
3
Burlington, Ontario, Canada
8.0 km PM2.5: 0.7 µg/m³

Nearby Cities

35 Hamilton 34 Waterdown 36 Stoney Creek 35 Ancaster 34 Burlington 35 Grimsby 34 Oakville 34 Milton 30 Brantford

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T20:12 UTC.