Hamilton Downtown, Ontario, Canada Air Quality

Monitoring Station · Hamilton, Canada
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
35 5pm
35
35
35 8pm
55
55
35 11pm
28
26
26 2am
26
26
28 5am
26
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CAMS model adj +1
34
34
34
34
54
54
34
27
25
25
25
25
27
25

Air Quality Forecast (24h)

PM2.55.5 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

38
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 9.1 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 2026-07-21T20:11 UTC.