Ottawa Air Quality

Monitoring Station · Centretown, Canada
37
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
40 5pm
40
40
40 8pm
40
40
38 11pm
38
38
37 2am
37
37
37 5am
37
—
— 8am
—
—
— 11am
—
—
— 2pm
—
—
CAMS model adj +13
27
27
27
27
27
27
25
25
25
24
24
24
24
24

Air Quality Forecast (24h)

PM2.58.9 µg/m³ ✓ WHO
Good
View city history →

Nearby Monitoring Stations

42
Ottawa
0.0 km PM2.5: 10.1 µg/m³
65
Ottawa
0.0 km PM2.5: 18.8 µg/m³
21
Ottawa
0.0 km PM2.5: 5.0 µg/m³
39
Ottawa
0.0 km PM2.5: 9.4 µg/m³
14
Ottawa
0.0 km PM2.5: 3.4 µg/m³
41
Ottawa
0.0 km PM2.5: 9.8 µg/m³
55
Ottawa
0.0 km PM2.5: 14.0 µg/m³
12
Ottawa
0.0 km PM2.5: 2.9 µg/m³

Nearby Cities

74 Centretown 74 Ottawa 74 Hull 74 Vanier 73 Ottawa South 73 Alta Vista 71 Gatineau 72 Aylmer 73 Gloucester

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T20:41 UTC.