Ottawa

Monitoring Station · Centretown, Canada

30

Good

Air quality is satisfactory. Enjoy outdoor activities.

Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous

AQI Forecast Calibrated

55 4am

55

57

57 7am

64

64

84 10am

84

64

84 1pm

84

64

57 4pm

57

—

— 7pm

—

—

— 10pm

—

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— 1am

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CAMS model adj +30

25

25

27

27

34

34

54

54

34

54

54

34

27

27

Air Quality Trend (24h)

PM2.57.2 µg/m³ ✓ WHO

Good

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Nearby Monitoring Stations

0.0 km PM2.5: 6.2 µg/m³

0.0 km PM2.5: 7.0 µg/m³

0.0 km PM2.5: 7.2 µg/m³

0.0 km PM2.5: 6.7 µg/m³

Ottawa Downtown, Ontario, Canada

2.2 km PM2.5: 7.2 µg/m³

Ottawa Downtown, Ontario, Canada

2.2 km PM2.5: 6.2 µg/m³

Ottawa Downtown, Ontario, Canada

2.2 km PM2.5: 6.7 µg/m³

Gatineau - secteur de Hull, Quebec, Canada

5.2 km PM2.5: 5.3 µg/m³

Nearby Cities

29 Centretown 29 Ottawa 28 Hull 26 Vanier 28 Ottawa South 28 Alta Vista 23 Gatineau 27 Aylmer 27 Gloucester

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-13T07:01 UTC.