Ottawa Air Quality

Monitoring Station · Centretown, Canada
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
27 9pm
25
18
25 12am
25
25
27 3am
27
27
27 6am
27
27
25 9am
25
27
— 12pm
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— 3pm
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— 6pm
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Station readings
27
18
CAMS model
24
25
25
25
25
25
27
27
27
27
27
27
25
25
27

Air Quality Forecast (24h)

PM2.54.3 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

38
Ottawa
0.0 km PM2.5: 9.1 µg/m³
18
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 4.3 µg/m³
34
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 8.2 µg/m³
21
Gatineau - secteur de Hull, Quebec, Canada
5.2 km PM2.5: 5.0 µg/m³
17
Gatineau - secteur de Hull, Quebec, Canada
5.2 km PM2.5: 4.1 µg/m³
18
Gatineau - secteur de Hull, Quebec, Canada
5.2 km PM2.5: 4.3 µg/m³
17
Gatineau - secteur de Hull, Quebec, Canada
5.2 km PM2.5: 4.1 µg/m³
15
Gatineau, Quebec, Canada
6.1 km PM2.5: 3.6 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 2026-08-10T00:37 UTC.