Ottawa Air Quality

Monitoring Station · Centretown, Canada
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
25 10am
27
21
25 1pm
27
27
27 4pm
27
27
27 7pm
27
27
27 10pm
27
34
— 1am
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— 4am
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— 7am
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Station readings
21
CAMS model
25
27
25
25
27
27
27
27
27
27
27
27
27
27
34

Air Quality Forecast (24h)

PM2.55.0 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

21
Ottawa
0.0 km PM2.5: 5.0 µg/m³
17
Ottawa
0.0 km PM2.5: 4.1 µg/m³
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
21
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 5.0 µg/m³
21
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 5.0 µg/m³
17
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 4.1 µg/m³

Nearby Cities

22 Centretown 22 Ottawa 22 Hull 30 Vanier 24 Ottawa South 25 Alta Vista 16 Gatineau 23 Aylmer 24 Gloucester

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-10T13:21 UTC.