Air Quality in Mississauga, Canada

Drizzle
15.5°C · 91.5% humidity
15.5°
Feels 15.5°
12
Good
Air quality is satisfactory. Enjoy outdoor activities.
13 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
19 5am
19
19
12 8am
14
16
17 11am
18
18
19 2pm
19
19
20 5pm
20
20
20 8pm
22
22
20 11pm
20
20
20 2am
20
20
Station readings
23
19
23
12
CAMS model adj -5
24
24
24
25
25
25
25
25
25
25
25
25
25
25
25
25
27
27
25
25
25
25
25
25
AD 728×90

Air Quality Index Trend

48h · 7 stn

Mississauga's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

91.5%
Humidity
48.6 km/h
Wind N
1012.9 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
12
2.85 µg/m³
PM10▲
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Mississauga?

Temperature & Precipitation

PM2.5 Trend

48h · 7 stations
PM2.52.85 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
AD 300×250
Station readings (13 stations within 25 km)
2.85
Median
3.89
Average
1.4
Low
7.2
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +3.2

What is the 7-day forecast for Mississauga?

09-05
25.0° 14.3°
0.5 mm
09-06
25.2° 16.4°
1.0 mm
09-07
21.9° 15.4°
0.19 mm
09-08
23.4° 15.0°
5.5 mm
09-09
25.4° 13.3°
1.37 mm
09-10
24.1° 14.5°
0.56 mm
09-11
26.6° 12.6°
0.38 mm
Both models agree Avg diff: 3.3°C

Where are air quality stations near Mississauga?

20
Mississauga, Ontario, Canada
3.6 km PM2.5: 4.8 µg/m³
10
Mississauga, Ontario, Canada
3.6 km PM2.5: 2.4 µg/m³
10
Mississauga, Ontario, Canada
3.6 km PM2.5: 2.4 µg/m³
21
Oakville, Ontario, Canada
10.8 km PM2.5: 5.0 µg/m³
21
Oakville, Ontario, Canada
10.8 km PM2.5: 5.0 µg/m³
20
Oakville, Ontario, Canada
10.8 km PM2.5: 4.8 µg/m³
18
Oakville, Ontario, Canada
10.8 km PM2.5: 4.3 µg/m³
23
Halton Hills Air Sensor
11.8 km PM2.5: 5.4 µg/m³ PM10: 5.5 µg/m³
21
Brampton, Ontario, Canada
16.6 km PM2.5: 5.0 µg/m³
12
Brampton, Ontario, Canada
16.6 km PM2.5: 2.9 µg/m³

What cities are near Mississauga?

13 Etobicoke 12 Eringate-Centennial-West Deane 14 Islington-City Centre West 16 Mimico 16 Stonegate-Queensway 9 Willowridge-Martingrove-Richview 19 Oakville 22 Brampton 11 Edenbridge-Humber Valley 7 Kingsview Village-The Westway
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T12:11 UTC.