Ottawa Air Quality

Monitoring Station · Centretown, Canada
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
34 2am
34
25
54 5am
54
54
54 8am
54
54
66 11am
54
25
25 2pm
24
24
— 5pm
—
—
— 8pm
—
—
— 11pm
—
—
Station readings
25

Air Quality Forecast (24h)

PM2.56.0 µg/m³ ✓ WHO
Good
View city history →

Nearby Monitoring Stations

13
Ottawa
0.0 km PM2.5: 3.1 µg/m³
22
Ottawa
0.0 km PM2.5: 5.3 µg/m³
21
Ottawa
0.0 km PM2.5: 5.0 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 2026-09-07T05:12 UTC.