Grand Bend, 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
Grand Bend, 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 33 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Oct - 3rd Oct 2025
Grand Bend, Ontario, Canada
7 AM2nd Oct 2025
7 PM
6 AM3rd Oct 2025
38AQI
14AQI
52AQI
36AQI
In the last 24 hours,
Grand Bend's AQI reached its highest point of 52 at 12 AM during the Night, while the lowest point, 14, was recorded at 7 AM during the Day between 2nd Oct and 3rd Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Grand Bend, Ontario, Canada
19°C10/27°C
15°C12/17°C
15°C7/22°C
14°C10/18°C
14°C9/17°C
12°C2/18°C
14°C5/23°C
16°C8/24°C
17°C9/25°C
17°C8/25°C
17°C12/23°C
19°C12/27°C
19°C13/27°C
19°C9/27°C
18°C9/26°C
18°C12/23°C
16°C11/23°C
15°C12/21°C
19°C12/28°C
20°C17/24°C
20°C16/24°C
18°C15/22°C
18°C15/21°C
18°C14/25°C
19°C12/27°C
18°C13/25°C
17°C9/26°C
17°C8/27°C
15°C9/23°C
15°C8/25°C
--°C/°C
34AQI
31AQI
33AQI
31AQI
2025 Days Vs Air Quality
Grand Bend, Ontario, Canada
84%
159
15%
28
2%
3
Total number of days with different AQI categories in last 276 days in 2025 (89 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2025, 84% of 276 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
Grand Bend, Ontario, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
32AQI
30AQI
47AQI
39AQI
21AQI
16AQI
18AQI
22AQI
17AQI
18AQI
16AQI
17AQI
14AQI
20AQI
28AQI
28AQI
20AQI
36AQI
24AQI
17AQI
15AQI
18AQI
36AQI
35AQI
16AQI
22AQI
14AQI
33AQI
48AQI
41AQI
19AQI
16AQI
21AQI
35AQI
14AQI
25AQI
22AQI
15AQI
16AQI
20AQI
25AQI
25AQI
18AQI
18AQI
28AQI
22AQI
26AQI
31AQI
20AQI
25AQI
30AQI
24AQI
16AQI
12AQI
17AQI
17AQI
13AQI
11AQI
11AQI
15AQI
19AQI
24AQI
22AQI
26AQI
29AQI
25AQI
16AQI
20AQI
40AQI
69AQI
67AQI
71AQI
69AQI
87AQI
75AQI
53AQI
66AQI
72AQI
43AQI
33AQI
37AQI
37AQI
38AQI
32AQI
25AQI
36AQI
38AQI
39AQI
51AQI
54AQI
40AQI
45AQI
40AQI
28AQI
33AQI
35AQI
30AQI
39AQI
50AQI
40AQI
51AQI
53AQI
37AQI
36AQI
49AQI
49AQI
50AQI
42AQI
38AQI
61AQI
77AQI
81AQI
46AQI
29AQI
27AQI
29AQI
47AQI
28AQI
24AQI
39AQI
36AQI
47AQI
39AQI
43AQI
42AQI
47AQI
101AQI
71AQI
39AQI
96AQI
131AQI
105AQI
94AQI
82AQI
73AQI
57AQI
63AQI
59AQI
49AQI
34AQI
65AQI
76AQI
65AQI
40AQI
16AQI
19AQI
17AQI
18AQI
22AQI
28AQI
24AQI
15AQI
19AQI
20AQI
25AQI
18AQI
19AQI
29AQI
32AQI
29AQI
29AQI
24AQI
35AQI
18AQI
19AQI
19AQI
19AQI
30AQI
36AQI
35AQI
49AQI
58AQI
50AQI
41AQI
38AQI
40AQI
32AQI
22AQI
22AQI
33AQI
42AQI
39AQI
30AQI
27AQI
30AQI
27AQI
22AQI
24AQI
30AQI
33AQI
34AQI
23AQI
21AQI
46AQI
45AQI
48AQI
32AQI
32AQI
No. of days
202536AQI
Highest AQI recorded in
August48AQI
Lowest AQI recorded in
May21AQI
Most & Least Polluted Years Over the Last 1 Years
Grand Bend's annual 2025 AQI (36) shows an average percentage change of NaN% (improved AQI) compared to previous years: .