Ottawa Air Quality

Monitoring Station · Centretown, Canada
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
66 3am
66
42
66 6am
66
66
66 9am
66
66
66 12pm
36
36
36 3pm
36
36
— 6pm
—
—
— 9pm
—
—
— 12am
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Station readings
42
CAMS model adj +12
54
54
54
54
54
54
54
54
54
54
24
24
24
24
24

Air Quality Forecast (24h)

PM2.510.1 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

42
Ottawa
0.0 km PM2.5: 10.1 µg/m³
34
Ottawa
0.0 km PM2.5: 8.2 µg/m³
42
Ottawa
0.0 km PM2.5: 10.1 µg/m³
29
Ottawa
0.0 km PM2.5: 7.0 µg/m³
42
Ottawa
0.0 km PM2.5: 10.1 µg/m³
38
Ottawa
0.0 km PM2.5: 9.1 µg/m³
50
Ottawa
0.0 km PM2.5: 12.0 µg/m³
42
Ottawa
0.0 km PM2.5: 10.1 µg/m³

Nearby Cities

46 Centretown 46 Ottawa 46 Hull 48 Vanier 47 Ottawa South 47 Alta Vista 48 Gatineau 47 Aylmer 47 Gloucester

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