Hamilton Downtown, Ontario, Canada Air Quality

Monitoring Station · Hamilton, Canada
46
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
59 12am
59
46
59 3am
59
59
39 6am
39
39
39 9am
32
30
30 12pm
30
30
— 3pm
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— 6pm
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— 9pm
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Station readings
46
CAMS model adj +5
54
54
54
54
54
54
34
34
34
34
27
25
25
25
25

Air Quality Forecast (24h)

PM2.511.0 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

30
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 7.2 µg/m³
68
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 20.2 µg/m³
55
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 14.0 µg/m³
46
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 11.0 µg/m³
42
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 10.1 µg/m³
42
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 10.1 µg/m³
38
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 9.1 µg/m³
34
Hamilton Mountain, Ontario, Canada
3.2 km PM2.5: 8.2 µg/m³

Nearby Cities

36 Hamilton 38 Waterdown 38 Stoney Creek 38 Ancaster 38 Burlington 38 Grimsby 39 Oakville 41 Milton 46 Brantford

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T03:30 UTC.