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
38 1am
58
58
42 4am
58
58
58 7am
58
58
58 10am
58
58
28 1pm
28
28
— 4pm
—
—
— 7pm
—
—
— 10pm
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Station readings
42
CAMS model adj +4
34
54
54
54
54
54
54
54
54
54
54
54
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 2026-08-08T04:51 UTC.