Ottawa

Monitoring Station · Centretown, Canada

18

Good

Air quality is satisfactory. Enjoy outdoor activities.

Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous

AQI Forecast Calibrated

18 5am

60

60

60 8am

60

60

60 11am

60

60

60 2pm

60

60

60 5pm

61

61

— 8pm

—

—

— 11pm

—

—

— 2am

—

—

Station readings

18

CAMS model adj +36

24

24

24

24

24

24

24

24

24

24

24

24

24

25

25

Air Quality Trend (24h)

PM2.54.3 µg/m³ ✓ WHO

Good

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Nearby Monitoring Stations

0.0 km PM2.5: 4.8 µg/m³

0.0 km PM2.5: 5.3 µg/m³

0.0 km PM2.5: 4.8 µg/m³

0.0 km PM2.5: 4.6 µg/m³

Ottawa Downtown, Ontario, Canada

2.2 km PM2.5: 4.8 µg/m³

Ottawa Downtown, Ontario, Canada

2.2 km PM2.5: 5.3 µg/m³

Ottawa Downtown, Ontario, Canada

2.2 km PM2.5: 4.6 µg/m³

Ottawa Downtown, Ontario, Canada

2.2 km PM2.5: 5.8 µg/m³

Nearby Cities

21 Centretown 23 Ottawa 25 Hull 25 Vanier 30 Ottawa South 35 Alta Vista 171 Gatineau 53 Aylmer 45 Gloucester

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-15T08:12 UTC.