Ottawa Air Quality

Monitoring Station · Centretown, Canada
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
18 7am
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16 10am
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16
16 1pm
18
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18 4pm
18
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18 7pm
18
18
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Station readings
17
CAMS model adj -9
27
27
25
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27
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27

Air Quality Forecast (24h)

PM2.54.1 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

17
Ottawa
0.0 km PM2.5: 4.1 µg/m³
17
Ottawa
0.0 km PM2.5: 4.1 µg/m³
17
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 4.1 µg/m³
17
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 4.1 µg/m³
16
Gatineau - secteur de Hull, Quebec, Canada
5.2 km PM2.5: 3.8 µg/m³
14
Gatineau - secteur de Hull, Quebec, Canada
5.2 km PM2.5: 3.4 µg/m³
18
Gatineau - secteur de Hull, Quebec, Canada
5.2 km PM2.5: 4.3 µg/m³
17
Gatineau - secteur de Hull, Quebec, Canada
5.2 km PM2.5: 4.1 µg/m³

Nearby Cities

22 Centretown 22 Ottawa 22 Hull 23 Vanier 21 Ottawa South 21 Alta Vista 15 Gatineau 20 Aylmer 20 Gloucester

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-10T10:16 UTC.