Ottawa Air Quality

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

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
46 2am
34
34
54 5am
54
54
54 8am
54
54
54 11am
54
34
27 2pm
27
27
— 5pm
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— 8pm
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— 11pm
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Air Quality Forecast (24h)

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

50
Ottawa
0.0 km PM2.5: 12.0 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
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 2026-08-11T05:23 UTC.