Ottawa

Monitoring Station · Centretown, Canada
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
65 3pm
23
66
66 6pm
66
66
66 9pm
66
66
66 12am
66
68
68 3am
75
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— 6am
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— 9am
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— 12pm
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Station readings
23
CAMS model adj +41
24
24
25
25
25
25
25
25
25
25
25
27
27
34

Air Quality Trend (24h)

PM2.55.5 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

23
Ottawa
0.0 km PM2.5: 5.5 µg/m³
29
Ottawa
0.0 km PM2.5: 7.0 µg/m³
34
Ottawa
0.0 km PM2.5: 8.2 µg/m³
34
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 8.2 µg/m³
17
Gatineau - secteur de Hull, Quebec, Canada
5.2 km PM2.5: 4.1 µg/m³
29
Gatineau - secteur de Hull, Quebec, Canada
5.2 km PM2.5: 7.0 µg/m³
20
Gatineau - secteur de Hull, Quebec, Canada
5.2 km PM2.5: 4.8 µg/m³
24
Gatineau - secteur de Hull, Quebec, Canada
5.2 km PM2.5: 5.8 µg/m³

Nearby Cities

32 Centretown 32 Ottawa 31 Hull 27 Vanier 30 Ottawa South 29 Alta Vista 23 Gatineau 28 Aylmer 28 Gloucester

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-18T18:19 UTC.