Ottawa Air Quality

Monitoring Station · Centretown, Canada
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
36 10pm
38
43
43 1am
63
63
63 4am
63
63
63 7am
63
63
63 10am
63
63
— 1pm
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Station readings
38
CAMS model adj +9
27
27
34
34
54
54
54
54
54
54
54
54
54
54
54

Air Quality Forecast (24h)

PM2.59.1 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

34
Ottawa
0.0 km PM2.5: 8.2 µg/m³
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
42
Ottawa
0.0 km PM2.5: 10.1 µg/m³
30
Ottawa
0.0 km PM2.5: 7.2 µg/m³
38
Ottawa
0.0 km PM2.5: 9.1 µg/m³
50
Ottawa
0.0 km PM2.5: 12.0 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 2026-08-08T01:30 UTC.