Ottawa

Monitoring Station · Centretown, Canada
11
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
57 8am
55
54
54 11am
54
57
55 2pm
54
54
54 5pm
54
54
54 8pm
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— 11pm
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— 2am
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— 5am
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CAMS model adj +30
27
25
24
24
24
27
25
24
24
24
24
24
24

Air Quality Trend (24h)

PM2.52.6 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

12
Ottawa
0.0 km PM2.5: 2.9 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.