Air Quality in Mississauga, Canada

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

Nearby Monitoring Stations

AQI Forecast Calibrated
19 6am
19
20
13 9am
15
16
17 12pm
18
19
19 3pm
19
20
20 6pm
20
20
22 9pm
22
20
20 12am
20
20
20 3am
20
20
Station readings
19
23
17
11
CAMS model adj -5
24
24
25
25
25
25
25
25
25
25
25
25
25
25
25
27
27
25
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
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
13
3.21 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Mississauga?

Temperature & Precipitation

PM2.5 Trend

48h · 7 stations
PM2.53.21 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (14 stations within 25 km)
3.21
Median
4.12
Average
1.7
Low
7.2
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +2.8

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: 3.4°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
9
Mississauga, Ontario, Canada
3.6 km PM2.5: 2.2 µg/m³
10
Mississauga, Ontario, Canada
3.6 km PM2.5: 2.4 µg/m³
18
Oakville, Ontario, Canada
10.8 km PM2.5: 4.3 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
21
Oakville, Ontario, Canada
10.8 km PM2.5: 5.0 µg/m³
17
Halton Hills Air Sensor
11.8 km PM2.5: 4.0 µg/m³ PM10: 4.0 µg/m³
21
Brampton, Ontario, Canada
16.6 km PM2.5: 5.0 µg/m³

What cities are near Mississauga?

17 Etobicoke 16 Eringate-Centennial-West Deane 18 Islington-City Centre West 18 Mimico 18 Stonegate-Queensway 15 Willowridge-Martingrove-Richview 19 Oakville 13 Brampton 16 Edenbridge-Humber Valley 14 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 2026-09-05T13:04 UTC.