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
47 2am
47
47
67 5am
67
67
67 8am
67
67
79 11am
67
38
38 2pm
37
37
— 5pm
—
—
— 8pm
—
—
— 11pm
—
—
CAMS model adj +13
34
34
34
54
54
54
54
54
54
66
54
25
25
24
24

Air Quality Forecast (24h)

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

13
Ottawa
0.0 km PM2.5: 3.1 µg/m³
25
Ottawa
0.0 km PM2.5: 6.0 µg/m³
22
Ottawa
0.0 km PM2.5: 5.3 µg/m³
21
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 5.0 µg/m³
21
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 5.0 µg/m³
25
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 6.0 µg/m³
-
Westboro
4.9 km PM2.5: 0.0 µg/m³
12
Gatineau - secteur de Hull, Quebec, Canada
5.2 km PM2.5: 2.9 µg/m³

Nearby Cities

25 Centretown 24 Ottawa 24 Hull 19 Vanier 21 Ottawa South 21 Alta Vista 22 Gatineau 15 Aylmer 20 Gloucester

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-09-07T05:13 UTC.