Ottawa

Monitoring Station · Centretown, Canada
10
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
37 7am
37
35
34 10am
34
34
37 1pm
35
34
34 4pm
34
34
34 7pm
34
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CAMS model adj +10
27
27
25
24
24
24
27
25
24
24
24
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24

Air Quality Trend (24h)

PM2.52.4 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

12
Ottawa
0.0 km PM2.5: 2.9 µg/m³
11
Ottawa
0.0 km PM2.5: 2.6 µg/m³
10
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 2.4 µg/m³
11
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 2.6 µg/m³
12
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 2.9 µg/m³
42
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 10.1 µg/m³
63
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 17.8 µg/m³
12
Ottawa Downtown, Ontario, Canada
2.2 km PM2.5: 2.9 µg/m³

Nearby Cities

25 Centretown 25 Ottawa 25 Hull 25 Vanier 25 Ottawa South 25 Alta Vista 25 Gatineau 25 Aylmer 25 Gloucester

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-17T10:29 UTC.