Air Quality in Centretown, Canada

Windy
26.3°C · 48.5% humidity
26.3°
Feels 26.3°
62
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast

Nearby Monitoring Stations

AQI Forecast Calibrated
29 10am
31
31
62 1pm
53
47
42 4pm
39
37
33 7pm
32
31
30 10pm
29
29
29 1am
28
28
28 4am
28
28
29 7am
29
28
Station readings 18h ago
AQI 34
PM2.5 8.2 µg/m³ · 18h ago
CAMS model adj +4
25
27
27
27
27
27
27
27
27
25
25
25
24
24
24
24
24
24
24
24
24
25
25
24
AD 728×90

Air Quality Index Trend

7h · 2 stn

Centretown's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Centretown is 1.1× the WHO 24-hour guideline of 15 µg/m³.

48.5%
Humidity
41.4 km/h
Wind ESE
1015.4 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
62
17.25 µg/m³
PM10
53
59.3 µg/m³
050100150200300500

What is the weather forecast for Centretown?

Temperature & Precipitation

PM2.5 Trend

7h · 2 stations
PM2.517.25 µg/m³ ×1.1 WHO
Moderate
PM1059.3 µg/m³
Moderate
UV INDEX4.4
Moderate
AD 300×250

What is the 7-day forecast for Centretown?

07-21
26.3° 18.2°
07-22
24.9° 17.0°
07-23
19.6° 14.6°
0.81 mm
07-24
24.0° 12.2°
07-25
24.5° 16.8°
4.75 mm
07-26
25.1° 16.2°
3.56 mm
07-27
27.9° 17.7°
7.13 mm
Both models agree Avg diff: 2.7°C

Where are air quality stations near Centretown?

42
Ottawa
0.7 km PM2.5: 10.1 µg/m³
38
Ottawa
0.7 km PM2.5: 9.1 µg/m³
21
Ottawa
0.7 km PM2.5: 5.0 µg/m³
39
Ottawa
0.7 km PM2.5: 9.4 µg/m³
14
Ottawa
0.7 km PM2.5: 3.4 µg/m³
41
Ottawa
0.7 km PM2.5: 9.8 µg/m³
37
Ottawa
0.7 km PM2.5: 8.9 µg/m³
22
Ottawa
0.7 km PM2.5: 5.3 µg/m³
12
Ottawa
0.7 km PM2.5: 2.9 µg/m³
26
Ottawa Downtown, Ontario, Canada
2.6 km PM2.5: 6.2 µg/m³

What cities are near Centretown?

62 Ottawa 62 Hull 62 Ottawa South 87 Vanier 62 Alta Vista 87 Gatineau 62 Aylmer 62 Gloucester 62 Nepean 87 Templeton-Est
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T17:19 UTC.