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
59 9pm
36
38
43 12am
43
63
63 3am
63
63
63 6am
63
63
63 9am
63
63
— 12pm
—
—
— 3pm
—
—
— 6pm
—
—
Station readings
59
38
CAMS model adj +9
27
27
27
34
34
54
54
54
54
54
54
54
54
54
54

Air Quality Forecast (24h)

PM2.59.1 µg/m³ ✓ WHO
Good
View city history →

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
30
Ottawa
0.0 km PM2.5: 7.2 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 2026-08-08T00:41 UTC.