Ottawa Air Quality

Monitoring Station · Centretown, Canada
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
27 8am
25
25
27 11am
25
25
27 2pm
27
27
27 5pm
27
27
27 8pm
27
27
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Air Quality Forecast (24h)

PM2.54.1 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

21
Ottawa
0.0 km PM2.5: 5.0 µg/m³
17
Ottawa
0.0 km PM2.5: 4.1 µg/m³
17
Ottawa
0.0 km PM2.5: 4.1 µg/m³
17
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 4.1 µg/m³
21
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 5.0 µg/m³
17
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 4.1 µg/m³
18
Gatineau - secteur de Hull, Quebec, Canada
5.2 km PM2.5: 4.3 µg/m³
14
Gatineau - secteur de Hull, Quebec, Canada
5.2 km PM2.5: 3.4 µg/m³

Nearby Cities

22 Centretown 22 Ottawa 22 Hull 23 Vanier 21 Ottawa South 21 Alta Vista 15 Gatineau 20 Aylmer 20 Gloucester

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-10T11:24 UTC.