Ottawa Air Quality

Monitoring Station · Centretown, Canada
50
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
50 3am
61
81
81 6am
81
81
81 9am
81
81
81 12pm
61
54
54 3pm
54
52
— 6pm
—
—
— 9pm
—
—
— 12am
—
—
CAMS model adj +27
34
34
54
54
54
54
54
54
54
54
34
27
27
27
25

Air Quality Forecast (24h)

PM2.512.0 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

17
Ottawa
0.0 km PM2.5: 4.1 µg/m³
17
Ottawa
0.0 km PM2.5: 4.1 µg/m³
53
Ottawa
0.0 km PM2.5: 13.1 µg/m³
38
Ottawa
0.0 km PM2.5: 9.1 µg/m³
46
Ottawa
0.0 km PM2.5: 11.0 µg/m³
53
Ottawa
0.0 km PM2.5: 13.1 µg/m³
38
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 9.1 µg/m³
17
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 4.1 µg/m³

Nearby Cities

23 Centretown 24 Ottawa 24 Hull 29 Vanier 25 Ottawa South 25 Alta Vista 17 Gatineau 23 Aylmer 24 Gloucester

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-11T06:25 UTC.