Ottawa

Monitoring Station · Centretown, Canada
12
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
41 8am
39
38
38 11am
38
41
39 2pm
38
38
38 5pm
38
38
38 8pm
—
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— 11pm
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— 2am
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— 5am
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CAMS model adj +14
27
25
24
24
24
27
25
24
24
24
24
24
24

Air Quality Trend (24h)

PM2.52.9 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

11
Ottawa
0.0 km PM2.5: 2.6 µg/m³
10
Ottawa
0.0 km PM2.5: 2.4 µg/m³
10
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 2.4 µg/m³
11
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 2.6 µg/m³
12
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 2.9 µg/m³
42
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 10.1 µg/m³
63
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 17.8 µg/m³
12
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 2.9 µg/m³

Nearby Cities

25 Centretown 25 Ottawa 25 Hull 25 Vanier 25 Ottawa South 25 Alta Vista 25 Gatineau 25 Aylmer 25 Gloucester

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-17T11:57 UTC.