Ottawa

Monitoring Station · Centretown, Canada

18

Good

Air quality is satisfactory. Enjoy outdoor activities.

Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous

AQI Forecast

24 8am

24

18

24 11am

24

24

24 2pm

24

24

24 5pm

25

25

25 8pm

25

25

— 11pm

—

—

— 2am

—

—

— 5am

—

—

Station readings

18

Air Quality Trend (24h)

PM2.54.3 µg/m³ ✓ WHO

Good

View city history →

Nearby Monitoring Stations

0.0 km PM2.5: 4.3 µg/m³

0.0 km PM2.5: 5.3 µg/m³

0.0 km PM2.5: 3.8 µg/m³

0.0 km PM2.5: 4.8 µg/m³

Ottawa Downtown, Ontario, Canada

2.2 km PM2.5: 4.8 µg/m³

Ottawa Downtown, Ontario, Canada

2.2 km PM2.5: 5.8 µg/m³

Ottawa Downtown, Ontario, Canada

2.2 km PM2.5: 5.3 µg/m³

Ottawa Downtown, Ontario, Canada

2.2 km PM2.5: 3.8 µg/m³

Nearby Cities

23 Centretown 30 Ottawa 43 Hull 55 Vanier 59 Ottawa South 70 Alta Vista 255 Gatineau 112 Aylmer 89 Gloucester

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-15T11:54 UTC.