Ottawa

Monitoring Station · Centretown, Canada
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
20 7am
59
59
59 10am
59
59
59 1pm
59
59
59 4pm
59
60
60 7pm
60
60
— 10pm
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— 1am
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— 4am
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Station readings
20
CAMS model adj +35
24
24
24
24
24
24
24
24
24
24
24
25
25
25
25

Air Quality Trend (24h)

PM2.54.8 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

18
Ottawa
0.0 km PM2.5: 4.3 µg/m³
22
Ottawa
0.0 km PM2.5: 5.3 µg/m³
18
Ottawa
0.0 km PM2.5: 4.3 µg/m³
20
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 4.8 µg/m³
22
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 5.3 µg/m³
18
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 4.3 µg/m³
24
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 5.8 µg/m³
113
Gatineau - secteur de Hull, Quebec, Canada
5.2 km PM2.5: 40.4 µg/m³

Nearby Cities

20 Centretown 22 Ottawa 25 Hull 32 Vanier 31 Ottawa South 37 Alta Vista 134 Gatineau 55 Aylmer 46 Gloucester

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-15T10:14 UTC.