Ottawa

Monitoring Station · Centretown, Canada

23

Good

Air quality is satisfactory. Enjoy outdoor activities.

Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous

AQI Forecast Calibrated

3 1pm

2

2

2 4pm

3

3

3 7pm

3

3

3 10pm

3

3

3 1am

5

—

— 4am

—

—

— 7am

—

—

— 10am

—

—

CAMS model adj -22

25

24

24

24

25

25

25

25

25

25

25

25

25

27

Air Quality Trend (24h)

PM2.55.5 µg/m³ ✓ WHO

Good

View city history →

Nearby Monitoring Stations

0.0 km PM2.5: 4.3 µg/m³

0.0 km PM2.5: 5.5 µg/m³

Ottawa Downtown, Ontario, Canada

2.2 km PM2.5: 5.0 µg/m³

Ottawa Downtown, Ontario, Canada

2.2 km PM2.5: 5.5 µg/m³

Ottawa Downtown, Ontario, Canada

2.2 km PM2.5: 5.0 µg/m³

Gatineau - secteur de Hull, Quebec, Canada

5.2 km PM2.5: 4.1 µg/m³

Gatineau - secteur de Hull, Quebec, Canada

5.2 km PM2.5: 4.8 µg/m³

Gatineau - secteur de Hull, Quebec, Canada

5.2 km PM2.5: 6.7 µg/m³

Nearby Cities

45 Centretown 43 Ottawa 40 Hull 23 Vanier 35 Ottawa South 32 Alta Vista 20 Gatineau 30 Aylmer 30 Gloucester

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-18T16:31 UTC.