Ottawa Air Quality

Monitoring Station · Centretown, Canada
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
37 10am
38
37
38 1pm
38
38
38 4pm
38
38
38 7pm
37
37
38 10pm
38
38
— 1am
—
—
— 4am
—
—
— 7am
—
—
Station readings
38
CAMS model adj +13
24
24
24
25
25
25
25
25
25
25
24
24
25
25
25

Air Quality Forecast (24h)

PM2.59.1 µg/m³ ✓ WHO
Good
View city history →

Nearby Monitoring Stations

34
Ottawa
0.0 km PM2.5: 8.2 µg/m³
38
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 9.1 µg/m³
34
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 8.2 µg/m³
34
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 8.2 µg/m³
30
Gatineau - secteur de Hull, Quebec, Canada
5.2 km PM2.5: 7.2 µg/m³
31
Gatineau - secteur de Hull, Quebec, Canada
5.2 km PM2.5: 7.4 µg/m³
32
Gatineau - secteur de Hull, Quebec, Canada
5.2 km PM2.5: 7.7 µg/m³
30
Gatineau - secteur de Hull, Quebec, Canada
5.2 km PM2.5: 7.2 µg/m³

Nearby Cities

35 Centretown 35 Ottawa 35 Hull 33 Vanier 35 Ottawa South 34 Alta Vista 30 Gatineau 34 Aylmer 34 Gloucester

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-09T13:19 UTC.