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 Calibrated
23 9am
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21
23 12pm
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25
25 3pm
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25 6pm
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25 9pm
25
25
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Station readings
21
CAMS model adj -2
25
25
27
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27

Air Quality Forecast (24h)

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

17
Ottawa
0.0 km PM2.5: 4.1 µg/m³
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 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 2026-08-10T12:21 UTC.