City Centre, Windsor, Ontario, Canada Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
City Centre, Windsor, Ontario, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (2nd October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 39 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Oct - 4th Oct 2025
City Centre, Windsor, Ontario, Canada
7 AM3rd Oct 2025
7 PM
6 AM4th Oct 2025
134AQI
48AQI
72AQI
58AQI
In the last 24 hours,
City Centre's AQI reached its highest point of 134 at 1 PM during the Day, while the lowest point, 48, was recorded at 7 AM during the Day between 3rd Oct and 4th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
City Centre, Windsor, Ontario, Canada
18°C14/23°C
18°C11/26°C
16°C12/22°C
17°C10/23°C
17°C10/24°C
19°C11/27°C
20°C14/29°C
21°C14/29°C
21°C16/29°C
20°C15/25°C
22°C15/30°C
22°C16/30°C
22°C15/30°C
22°C15/31°C
24°C15/33°C
19°C17/23°C
20°C16/24°C
22°C16/31°C
21°C17/28°C
20°C16/26°C
20°C18/21°C
20°C17/24°C
20°C14/29°C
21°C14/31°C
21°C15/29°C
19°C11/30°C
19°C12/29°C
18°C13/24°C
18°C10/28°C
19°C10/31°C
--°C/°C
53AQI
45AQI
49AQI
46AQI
2025 Days Vs Air Quality
City Centre, Windsor, Ontario, Canada
72%
136
26%
49
3%
5
Total number of days with different AQI categories in last 277 days in 2025 (88 days remaining)
Under WHO’s Safe Air Quality Limits: 72%
Health Risk Level:
Low
In 2025, 72% of 277 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
City Centre, Windsor, Ontario, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
37AQI
51AQI
52AQI
43AQI
21AQI
17AQI
21AQI
25AQI
20AQI
23AQI
22AQI
24AQI
16AQI
26AQI
34AQI
37AQI
22AQI
33AQI
30AQI
16AQI
16AQI
24AQI
42AQI
48AQI
19AQI
24AQI
17AQI
41AQI
54AQI
45AQI
26AQI
28AQI
23AQI
39AQI
22AQI
26AQI
33AQI
17AQI
19AQI
24AQI
34AQI
37AQI
19AQI
21AQI
35AQI
25AQI
28AQI
24AQI
21AQI
27AQI
33AQI
27AQI
17AQI
17AQI
17AQI
18AQI
15AQI
14AQI
13AQI
30AQI
23AQI
26AQI
19AQI
35AQI
38AQI
31AQI
26AQI
31AQI
50AQI
73AQI
87AQI
112AQI
73AQI
105AQI
80AQI
59AQI
72AQI
79AQI
56AQI
47AQI
47AQI
45AQI
37AQI
35AQI
26AQI
36AQI
44AQI
48AQI
54AQI
56AQI
53AQI
50AQI
45AQI
30AQI
32AQI
33AQI
32AQI
44AQI
53AQI
54AQI
59AQI
57AQI
40AQI
53AQI
59AQI
54AQI
52AQI
45AQI
42AQI
64AQI
91AQI
88AQI
50AQI
31AQI
29AQI
32AQI
49AQI
29AQI
28AQI
46AQI
36AQI
51AQI
38AQI
39AQI
38AQI
50AQI
109AQI
88AQI
42AQI
69AQI
124AQI
108AQI
81AQI
77AQI
67AQI
59AQI
61AQI
60AQI
57AQI
47AQI
66AQI
79AQI
68AQI
48AQI
22AQI
28AQI
20AQI
22AQI
31AQI
38AQI
31AQI
20AQI
25AQI
33AQI
43AQI
23AQI
29AQI
43AQI
41AQI
39AQI
45AQI
38AQI
48AQI
28AQI
30AQI
29AQI
30AQI
48AQI
60AQI
55AQI
65AQI
67AQI
60AQI
52AQI
54AQI
62AQI
55AQI
33AQI
31AQI
48AQI
48AQI
48AQI
44AQI
39AQI
47AQI
52AQI
37AQI
51AQI
37AQI
39AQI
41AQI
28AQI
25AQI
54AQI
50AQI
52AQI
46AQI
38AQI
No. of days
202542AQI
Highest AQI recorded in
June54AQI
Lowest AQI recorded in
May25AQI
Most & Least Polluted Years Over the Last 1 Years
City Centre's annual 2025 AQI (42) shows an average percentage change of NaN% (improved AQI) compared to previous years: .