Hamilton Downtown, Ontario, Canada Air Quality

Monitoring Station · Hamilton, Canada
13
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
22 5pm
22
13
22 8pm
42
42
22 11pm
15
13
13 2am
13
13
15 5am
13
13
— 8am
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—
— 11am
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— 2pm
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Station readings
13
CAMS model adj -12
34
34
34
34
54
54
34
27
25
25
25
25
27
25
25

Air Quality Forecast (24h)

PM2.53.1 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
23
Hamilton Downtown, Ontario, Canada
0.0 km PM2.5: 5.5 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 35 Waterdown 36 Stoney Creek 38 Ancaster 34 Burlington 35 Grimsby 31 Oakville 38 Milton 40 Brantford

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T20:45 UTC.