Ottawa Air Quality

Monitoring Station · Centretown, Canada
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
38 11am
36
21
38 2pm
38
38
38 5pm
38
38
38 8pm
38
38
38 11pm
45
45
— 2am
—
—
— 5am
—
—
— 8am
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Station readings
38
21
CAMS model adj +11
27
25
25
27
27
27
27
27
27
27
27
27
27
34
34

Air Quality Forecast (24h)

PM2.55.0 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

17
Ottawa
0.0 km PM2.5: 4.1 µg/m³
17
Ottawa
0.0 km PM2.5: 4.1 µg/m³
21
Ottawa
0.0 km PM2.5: 5.0 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
16
Gatineau - secteur de Hull, Quebec, Canada
5.2 km PM2.5: 3.8 µg/m³
14
Gatineau - secteur de Hull, Quebec, Canada
5.2 km PM2.5: 3.4 µg/m³
18
Gatineau - secteur de Hull, Quebec, Canada
5.2 km PM2.5: 4.3 µg/m³

Nearby Cities

22 Centretown 22 Ottawa 22 Hull 30 Vanier 24 Ottawa South 25 Alta Vista 16 Gatineau 23 Aylmer 24 Gloucester

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-10T14:14 UTC.