Ottawa

Monitoring Station · Centretown, Canada
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
21 4pm
62
63
63 7pm
63
63
63 10pm
65
65
63 1am
63
65
65 4am
65
65
— 7am
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Station readings
21
CAMS model adj +38
24
24
25
25
25
25
25
27
27
25
25
27
27
27
27

Air Quality Trend (24h)

PM2.55.0 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

25
Ottawa
0.0 km PM2.5: 6.0 µg/m³
22
Ottawa
0.0 km PM2.5: 5.3 µg/m³
17
Ottawa
0.0 km PM2.5: 4.1 µg/m³
25
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 6.0 µg/m³
30
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 7.2 µg/m³
21
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 5.0 µg/m³
22
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 5.3 µg/m³
15
Gatineau - secteur de Hull, Quebec, Canada
5.2 km PM2.5: 3.6 µg/m³

Nearby Cities

26 Centretown 28 Ottawa 31 Hull 26 Vanier 32 Ottawa South 32 Alta Vista 17 Gatineau 48 Aylmer 35 Gloucester

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-15T19:22 UTC.