Port Stanley, Central Elgin, Ontario, Canada Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Port Stanley, Central Elgin, Ontario, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (14th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 53 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 14th Sep - 15th Sep 2025
Port Stanley, Central Elgin, Ontario, Canada
6 AM14th Sep 2025
8 PM
5 AM15th Sep 2025
63AQI
47AQI
60AQI
48AQI
In the last 24 hours,
Port Stanley's AQI reached its highest point of 63 at 9 AM during the Day, while the lowest point, 47, was recorded at 7 PM during the Day between 14th Sep and 15th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Port Stanley, Central Elgin, Ontario, Canada
24°C18/30°C
24°C20/28°C
19°C15/23°C
21°C13/26°C
20°C18/24°C
20°C16/25°C
19°C11/25°C
22°C17/25°C
19°C12/24°C
16°C11/21°C
15°C8/20°C
16°C6/23°C
16°C11/22°C
12°C6/18°C
14°C5/21°C
15°C3/24°C
17°C7/24°C
17°C9/25°C
20°C13/26°C
17°C13/20°C
18°C11/25°C
14°C8/19°C
14°C6/20°C
13°C3/19°C
17°C9/23°C
18°C9/23°C
17°C7/26°C
17°C10/25°C
18°C12/22°C
19°C11/27°C
--°C/°C
33AQI
27AQI
31AQI
27AQI
2025 Days Vs Air Quality
Port Stanley, Central Elgin, Ontario, Canada
80%
137
19%
33
1%
2
Total number of days with different AQI categories in last 258 days in 2025 (107 days remaining)
Under WHO’s Safe Air Quality Limits: 80%
Health Risk Level:
Low
In 2025, 80% of 258 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
Port Stanley, Central Elgin, Ontario, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
31AQI
37AQI
53AQI
31AQI
20AQI
17AQI
18AQI
24AQI
18AQI
19AQI
18AQI
18AQI
15AQI
18AQI
27AQI
35AQI
33AQI
30AQI
29AQI
17AQI
14AQI
19AQI
34AQI
44AQI
20AQI
28AQI
15AQI
24AQI
41AQI
49AQI
24AQI
19AQI
28AQI
38AQI
22AQI
31AQI
36AQI
23AQI
21AQI
22AQI
23AQI
29AQI
24AQI
28AQI
26AQI
21AQI
28AQI
27AQI
17AQI
25AQI
30AQI
25AQI
22AQI
17AQI
17AQI
16AQI
18AQI
12AQI
11AQI
15AQI
22AQI
25AQI
18AQI
25AQI
37AQI
28AQI
21AQI
22AQI
36AQI
67AQI
58AQI
68AQI
71AQI
87AQI
67AQI
53AQI
61AQI
70AQI
53AQI
38AQI
44AQI
39AQI
32AQI
37AQI
26AQI
36AQI
43AQI
46AQI
55AQI
57AQI
49AQI
49AQI
45AQI
34AQI
31AQI
36AQI
31AQI
37AQI
45AQI
43AQI
51AQI
55AQI
47AQI
37AQI
52AQI
49AQI
51AQI
44AQI
40AQI
50AQI
69AQI
74AQI
40AQI
22AQI
24AQI
24AQI
42AQI
23AQI
22AQI
37AQI
38AQI
47AQI
34AQI
41AQI
44AQI
47AQI
96AQI
70AQI
33AQI
80AQI
129AQI
104AQI
89AQI
81AQI
82AQI
67AQI
65AQI
61AQI
55AQI
38AQI
64AQI
77AQI
67AQI
43AQI
16AQI
23AQI
23AQI
19AQI
22AQI
28AQI
27AQI
16AQI
17AQI
22AQI
26AQI
19AQI
19AQI
30AQI
27AQI
27AQI
31AQI
26AQI
39AQI
21AQI
19AQI
23AQI
22AQI
31AQI
39AQI
42AQI
49AQI
53AQI
34AQI
25AQI
23AQI
48AQI
44AQI
49AQI
32AQI
No. of days
202537AQI
Highest AQI recorded in
August49AQI
Lowest AQI recorded in
May23AQI
Most & Least Polluted Years Over the Last 1 Years
Port Stanley's annual 2025 AQI (37) shows an average percentage change of NaN% (improved AQI) compared to previous years: .