Ottawa Air Quality

Monitoring Station · Centretown, Canada
50
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
48 2am
50
55
75 5am
75
75
75 8am
75
75
75 11am
75
55
48 2pm
48
48
— 5pm
—
—
— 8pm
—
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— 11pm
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Station readings
50
CAMS model adj +21
27
34
34
54
54
54
54
54
54
54
54
34
27
27
27

Air Quality Forecast (24h)

PM2.512.0 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

53
Ottawa
0.0 km PM2.5: 13.1 µg/m³
46
Ottawa
0.0 km PM2.5: 11.0 µg/m³
17
Ottawa
0.0 km PM2.5: 4.1 µg/m³
53
Ottawa
0.0 km PM2.5: 13.1 µg/m³
17
Ottawa
0.0 km PM2.5: 4.1 µg/m³
53
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 13.1 µg/m³
53
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 13.1 µg/m³
17
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 4.1 µg/m³

Nearby Cities

23 Centretown 24 Ottawa 24 Hull 29 Vanier 25 Ottawa South 25 Alta Vista 17 Gatineau 23 Aylmer 24 Gloucester

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-11T05:22 UTC.