Ottawa

Monitoring Station · Centretown, Canada
10
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
37 8am
35
34
34 11am
34
37
35 2pm
34
34
34 5pm
34
34
34 8pm
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CAMS model adj +10
27
25
24
24
24
27
25
24
24
24
24
24
24

Air Quality Trend (24h)

PM2.52.4 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

12
Ottawa
0.0 km PM2.5: 2.9 µg/m³
11
Ottawa
0.0 km PM2.5: 2.6 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 2026-04-17T11:55 UTC.