Mississauga, Ontario, Canada Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
June Air Quality Analysis
Mississauga, Ontario, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (2nd June):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 32 of Good air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 1st Jun - 2nd Jun 2026
Mississauga, Ontario, Canada
5 AM1st Jun 2026
8 PM
4 AM2nd Jun 2026
34AQI
28AQI
32AQI
30AQI
In the last 24 hours,
Mississauga's AQI reached its highest point of 34 at 1 PM during the Day, while the lowest point, 28, was recorded at 7 AM during the Day between 1st Jun and 2nd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Mississauga, Ontario, Canada
16°C6/25°C
15°C9/20°C
7°C4/10°C
7°C3/11°C
8°C2/14°C
11°C4/20°C
9°C4/15°C
9°C4/13°C
8°C1/15°C
9°C6/16°C
8°C6/11°C
14°C6/24°C
16°C8/24°C
20°C13/29°C
22°C12/33°C
23°C19/32°C
14°C9/15°C
10°C6/15°C
11°C5/18°C
10°C9/12°C
11°C8/15°C
17°C11/24°C
21°C12/29°C
21°C15/29°C
16°C12/21°C
18°C10/28°C
15°C8/21°C
16°C9/24°C
16°C10/21°C
19°C10/28°C
48AQI
30AQI
44AQI
33AQI
2026 Days Vs Air Quality
Mississauga, Ontario, Canada
92%
138
8%
12
Total number of days with different AQI categories in last 153 days in 2026 (212 days remaining)
Under WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2026, 92% of 153 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Mississauga, Ontario, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
11AQI (US)
11AQI (US)
15AQI (US)
32AQI (US)
38AQI (US)
65AQI (US)
43AQI (US)
50AQI (US)
30AQI (US)
12AQI (US)
15AQI (US)
24AQI (US)
36AQI (US)
31AQI (US)
10AQI (US)
19AQI (US)
34AQI (US)
22AQI (US)
27AQI (US)
16AQI (US)
25AQI (US)
50AQI (US)
54AQI (US)
48AQI (US)
46AQI (US)
48AQI (US)
42AQI (US)
46AQI (US)
49AQI (US)
54AQI (US)
44AQI (US)
44AQI (US)
53AQI (US)
49AQI (US)
47AQI (US)
50AQI (US)
49AQI (US)
40AQI (US)
46AQI (US)
45AQI (US)
45AQI (US)
40AQI (US)
39AQI (US)
48AQI (US)
50AQI (US)
44AQI (US)
45AQI (US)
58AQI (US)
44AQI (US)
41AQI (US)
41AQI (US)
37AQI (US)
36AQI (US)
38AQI (US)
44AQI (US)
44AQI (US)
34AQI (US)
39AQI (US)
36AQI (US)
38AQI (US)
60AQI (US)
48AQI (US)
48AQI (US)
42AQI (US)
36AQI (US)
38AQI (US)
38AQI (US)
37AQI (US)
35AQI (US)
42AQI (US)
40AQI (US)
40AQI (US)
35AQI (US)
34AQI (US)
38AQI (US)
33AQI (US)
32AQI (US)
39AQI (US)
39AQI (US)
38AQI (US)
37AQI (US)
40AQI (US)
36AQI (US)
38AQI (US)
36AQI (US)
28AQI (US)
32AQI (US)
31AQI (US)
26AQI (US)
28AQI (US)
30AQI (US)
30AQI (US)
28AQI (US)
32AQI (US)
30AQI (US)
32AQI (US)
27AQI (US)
34AQI (US)
30AQI (US)
31AQI (US)
31AQI (US)
29AQI (US)
33AQI (US)
38AQI (US)
36AQI (US)
32AQI (US)
30AQI (US)
32AQI (US)
28AQI (US)
28AQI (US)
24AQI (US)
24AQI (US)
28AQI (US)
32AQI (US)
27AQI (US)
26AQI (US)
23AQI (US)
26AQI (US)
26AQI (US)
24AQI (US)
23AQI (US)
35AQI (US)
38AQI (US)
30AQI (US)
26AQI (US)
30AQI (US)
30AQI (US)
27AQI (US)
26AQI (US)
36AQI (US)
22AQI (US)
46AQI (US)
52AQI (US)
56AQI (US)
57AQI (US)
54AQI (US)
51AQI (US)
44AQI (US)
44AQI (US)
51AQI (US)
47AQI (US)
45AQI (US)
34AQI (US)
29AQI (US)
28AQI (US)
26AQI (US)
28AQI (US)
30AQI (US)
30AQI (US)
32AQI (US)
34AQI (US)
44AQI (US)
37AQI (US)
30AQI (US)
37AQI (US)
31AQI (US)
No. of days
202636AQI (US)
Highest AQI (US) recorded in
February44AQI (US)
Lowest AQI (US) recorded in
April30AQI (US)
202533AQI (US)
Highest AQI (US) recorded in
August45AQI (US)
Lowest AQI (US) recorded in
May21AQI (US)
202430AQI (US)
Highest AQI (US) recorded in
January35AQI (US)
Lowest AQI (US) recorded in
November23AQI (US)
202339AQI (US)
Highest AQI (US) recorded in
June66AQI (US)
Lowest AQI (US) recorded in
October29AQI (US)
202234AQI (US)
Highest AQI (US) recorded in
January36AQI (US)
Lowest AQI (US) recorded in
August19AQI (US)
202135AQI (US)
Highest AQI (US) recorded in
June41AQI (US)
Lowest AQI (US) recorded in
October28AQI (US)
202032AQI (US)
Highest AQI (US) recorded in
May36AQI (US)
Lowest AQI (US) recorded in
October26AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Mississauga's annual 2026 AQI (US) (36) shows an average percentage change of 7.1% (worsened AQI (US)) compared to previous years: 2020 (32), 2021 (35), 2022 (34), 2023 (39), 2024 (30), 2025 (33).