Air Quality in Mississauga, Canada

Windy
25.4°C · 53.3% humidity
25.4°
Feels 25.4°
93
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
101 10am
101
101
93 1pm
95
97
98 4pm
99
119
120 7pm
100
91
92 10pm
94
101
121 1am
101
94
94 4am
92
94
94 7am
94
91
Station readings
124
123
30
CAMS model adj +67
34
34
34
34
34
34
34
34
54
54
34
25
25
27
34
54
34
27
27
25
27
27
27
24
AD 728×90

Air Quality Index Trend

47h · 1 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. Current PM2.5 concentration in Mississauga is 2.1× the WHO 24-hour guideline of 15 µg/m³.

53.3%
Humidity
41.1 km/h
Wind E
1014.8 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
93
32.09 µg/m³
PM10
78
109.3 µg/m³
050100150200300500

What is the weather forecast for Mississauga?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.532.09 µg/m³ ×2.1 WHO
Moderate
PM10109.3 µg/m³
Moderate
UV INDEX12.9
Extreme
AD 300×250
Station readings (1 station within 25 km)
32.09
Median
32.09
Average
32.09
Low
32.09
High
PM2.5 µg/m³ · Model: 54.08 · Bias: +22.0

What is the 7-day forecast for Mississauga?

07-21
26.6° 21.7°
0.62 mm
07-22
24.4° 19.9°
07-23
23.2° 15.8°
07-24
25.3° 18.0°
07-25
24.9° 15.5°
1.19 mm
07-26
29.2° 19.4°
2.75 mm
07-27
30.0° 20.3°
0.25 mm
Both models agree Avg diff: 3.2°C

Where are air quality stations near Mississauga?

38
Mississauga, Ontario, Canada
3.6 km PM2.5: 9.1 µg/m³
37
Mississauga, Ontario, Canada
3.6 km PM2.5: 8.9 µg/m³
54
Oakville, Ontario, Canada
10.8 km PM2.5: 13.5 µg/m³
21
Oakville, Ontario, Canada
10.8 km PM2.5: 5.0 µg/m³
30
Halton Hills Air Sensor
11.8 km PM2.5: 7.1 µg/m³ PM10: 7.7 µg/m³
30
Brampton, Ontario, Canada
16.6 km PM2.5: 7.2 µg/m³
29
Brampton, Ontario, Canada
16.6 km PM2.5: 7.0 µg/m³
15
Toronto West, Ontario, Canada
17.2 km PM2.5: 3.6 µg/m³
164
Milton, Ontario, Canada
17.3 km PM2.5: 80.7 µg/m³
55
Milton, Ontario, Canada
17.3 km PM2.5: 14.0 µg/m³

What cities are near Mississauga?

84 Etobicoke 83 Eringate-Centennial-West Deane 85 Islington-City Centre West 88 Mimico 86 Stonegate-Queensway 78 Willowridge-Martingrove-Richview 93 Oakville 93 Brampton 80 Edenbridge-Humber Valley 75 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 2026-07-21T17:20 UTC.