Air Quality in Oshawa, Canada

Clear
28.0°C · 42.7% humidity
28.0°
Feels 29.3°
91
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast

Nearby Monitoring Stations

AQI Forecast Calibrated
12 10am
12
12
91 1pm
69
53
61 4pm
33
27
23 7pm
20
8
7 10pm
6
5
6 1am
6
6
6 4am
5
3
3 7am
3
2
Station readings 18h ago
AQI 53
PM2.5 13.1 µg/m³ · 18h ago
CAMS model adj -22
34
34
34
34
34
34
54
34
34
34
34
25
25
25
25
27
27
27
27
27
25
25
25
24
AD 728×90

Air Quality Index Trend

7h · 1 stn

Oshawa'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 Oshawa is 2.1× the WHO 24-hour guideline of 15 µg/m³.

42.7%
Humidity
28.3 km/h
Wind ESE
1014.5 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
91
30.95 µg/m³
PM10
53
59.3 µg/m³
050100150200300500

What is the weather forecast for Oshawa?

Temperature & Precipitation

PM2.5 Trend

7h · 1 station
PM2.530.95 µg/m³ ×2.1 WHO
Moderate
PM1059.3 µg/m³
Moderate
UV INDEX12.9
Extreme
AD 300×250

What is the 7-day forecast for Oshawa?

07-21
28.0° 20.4°
1.44 mm
07-22
24.4° 18.3°
0.56 mm
07-23
19.3° 14.6°
07-24
22.6° 16.5°
07-25
25.3° 14.3°
0.81 mm
07-26
27.1° 17.9°
0.75 mm
07-27
29.1° 19.5°
Both models agree Avg diff: 3.0°C

Where are air quality stations near Oshawa?

27
Oshawa, Ontario, Canada
6.3 km PM2.5: 6.5 µg/m³
44
Oshawa, Ontario, Canada
6.3 km PM2.5: 10.6 µg/m³
38
Oshawa, Ontario, Canada
6.3 km PM2.5: 9.1 µg/m³

What cities are near Oshawa?

116 Whitby 116 Brooklin 91 Bowmanville 116 Ajax 116 Pickering 99 Rouge 105 West Hill 116 Uxbridge 101 Morningside 96 Malvern
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T17:17 UTC.