Ottawa Air Quality

Monitoring Station · Centretown, Canada
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
31 1pm
31
34
31 4pm
31
31
31 7pm
30
30
31 10pm
31
31
31 1am
31
33
— 4am
—
—
— 7am
—
—
— 10am
—
—
Station readings
34
CAMS model adj +6
25
25
25
25
25
25
25
24
24
25
25
25
25
25
27

Air Quality Forecast (24h)

PM2.58.2 µg/m³ ✓ WHO
Good
View city history →

Nearby Monitoring Stations

30
Ottawa
0.0 km PM2.5: 7.2 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
34
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 8.2 µg/m³
28
Gatineau - secteur de Hull, Quebec, Canada
5.2 km PM2.5: 6.7 µg/m³
29
Gatineau - secteur de Hull, Quebec, Canada
5.2 km PM2.5: 7.0 µg/m³
32
Gatineau - secteur de Hull, Quebec, Canada
5.2 km PM2.5: 7.7 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 2026-08-09T16:11 UTC.