Pilon Park, Longueuil, Quebec, 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
Pilon Park, Longueuil, Quebec, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (28th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 22 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 27th Sep - 28th Sep 2026
Pilon Park, Longueuil, Quebec, Canada
6 AM27th Sep 2026
7 PM
5 AM28th Sep 2026
51AQI
12AQI
36AQI
13AQI
In the last 24 hours,
Pilon Park's AQI reached its highest point of 51 at 12 PM during the Day, while the lowest point, 12, was recorded at 6 PM during the Day between 27th Sep and 28th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Pilon Park, Longueuil, Quebec, Canada
20°C17/24°C
19°C12/28°C
20°C14/29°C
20°C15/27°C
22°C19/28°C
21°C17/25°C
18°C16/22°C
17°C12/23°C
20°C12/30°C
19°C16/25°C
18°C14/22°C
20°C14/24°C
15°C10/21°C
17°C10/24°C
19°C17/22°C
15°C12/19°C
14°C9/18°C
19°C15/25°C
18°C13/24°C
16°C11/21°C
12°C7/17°C
13°C9/20°C
13°C10/16°C
12°C7/18°C
13°C7/19°C
14°C8/21°C
16°C10/23°C
17°C13/23°C
16°C13/20°C
12°C11/15°C
31AQI
24AQI
32AQI
25AQI
2026 Days Vs Air Quality
Pilon Park, Longueuil, Quebec, Canada
95%
255
5%
13
Total number of days with different AQI categories in last 271 days in 2026 (94 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2026, 95% of 271 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
Pilon Park, Longueuil, Quebec, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
15AQI (US)
34AQI (US)
16AQI (US)
54AQI (US)
44AQI (US)
57AQI (US)
57AQI (US)
65AQI (US)
40AQI (US)
15AQI (US)
15AQI (US)
16AQI (US)
50AQI (US)
40AQI (US)
32AQI (US)
13AQI (US)
38AQI (US)
34AQI (US)
47AQI (US)
22AQI (US)
31AQI (US)
49AQI (US)
53AQI (US)
48AQI (US)
45AQI (US)
47AQI (US)
44AQI (US)
45AQI (US)
51AQI (US)
49AQI (US)
44AQI (US)
47AQI (US)
49AQI (US)
50AQI (US)
53AQI (US)
49AQI (US)
40AQI (US)
37AQI (US)
45AQI (US)
44AQI (US)
46AQI (US)
46AQI (US)
43AQI (US)
51AQI (US)
48AQI (US)
40AQI (US)
43AQI (US)
45AQI (US)
42AQI (US)
40AQI (US)
43AQI (US)
35AQI (US)
35AQI (US)
39AQI (US)
43AQI (US)
41AQI (US)
35AQI (US)
34AQI (US)
37AQI (US)
40AQI (US)
53AQI (US)
46AQI (US)
45AQI (US)
41AQI (US)
38AQI (US)
39AQI (US)
39AQI (US)
39AQI (US)
33AQI (US)
43AQI (US)
41AQI (US)
40AQI (US)
37AQI (US)
35AQI (US)
36AQI (US)
33AQI (US)
32AQI (US)
31AQI (US)
36AQI (US)
36AQI (US)
35AQI (US)
41AQI (US)
35AQI (US)
33AQI (US)
28AQI (US)
31AQI (US)
34AQI (US)
30AQI (US)
27AQI (US)
24AQI (US)
32AQI (US)
33AQI (US)
27AQI (US)
31AQI (US)
29AQI (US)
27AQI (US)
26AQI (US)
30AQI (US)
27AQI (US)
30AQI (US)
32AQI (US)
27AQI (US)
32AQI (US)
33AQI (US)
33AQI (US)
29AQI (US)
33AQI (US)
32AQI (US)
29AQI (US)
28AQI (US)
23AQI (US)
27AQI (US)
31AQI (US)
33AQI (US)
28AQI (US)
24AQI (US)
23AQI (US)
26AQI (US)
26AQI (US)
24AQI (US)
21AQI (US)
29AQI (US)
32AQI (US)
31AQI (US)
28AQI (US)
27AQI (US)
33AQI (US)
31AQI (US)
29AQI (US)
27AQI (US)
24AQI (US)
45AQI (US)
53AQI (US)
56AQI (US)
57AQI (US)
55AQI (US)
50AQI (US)
45AQI (US)
43AQI (US)
50AQI (US)
47AQI (US)
45AQI (US)
28AQI (US)
26AQI (US)
19AQI (US)
19AQI (US)
20AQI (US)
26AQI (US)
27AQI (US)
24AQI (US)
22AQI (US)
24AQI (US)
27AQI (US)
25AQI (US)
19AQI (US)
25AQI (US)
25AQI (US)
27AQI (US)
26AQI (US)
26AQI (US)
23AQI (US)
22AQI (US)
23AQI (US)
25AQI (US)
26AQI (US)
25AQI (US)
22AQI (US)
23AQI (US)
20AQI (US)
23AQI (US)
22AQI (US)
23AQI (US)
25AQI (US)
27AQI (US)
28AQI (US)
28AQI (US)
25AQI (US)
26AQI (US)
26AQI (US)
28AQI (US)
28AQI (US)
26AQI (US)
27AQI (US)
29AQI (US)
30AQI (US)
27AQI (US)
28AQI (US)
32AQI (US)
31AQI (US)
33AQI (US)
32AQI (US)
33AQI (US)
37AQI (US)
37AQI (US)
34AQI (US)
46AQI (US)
43AQI (US)
41AQI (US)
42AQI (US)
26AQI (US)
25AQI (US)
30AQI (US)
39AQI (US)
40AQI (US)
37AQI (US)
50AQI (US)
38AQI (US)
33AQI (US)
46AQI (US)
41AQI (US)
43AQI (US)
31AQI (US)
38AQI (US)
37AQI (US)
44AQI (US)
39AQI (US)
39AQI (US)
26AQI (US)
29AQI (US)
36AQI (US)
26AQI (US)
27AQI (US)
26AQI (US)
31AQI (US)
33AQI (US)
28AQI (US)
25AQI (US)
29AQI (US)
27AQI (US)
27AQI (US)
27AQI (US)
25AQI (US)
29AQI (US)
28AQI (US)
25AQI (US)
25AQI (US)
27AQI (US)
22AQI (US)
26AQI (US)
28AQI (US)
25AQI (US)
28AQI (US)
25AQI (US)
25AQI (US)
21AQI (US)
24AQI (US)
29AQI (US)
28AQI (US)
30AQI (US)
33AQI (US)
34AQI (US)
42AQI (US)
30AQI (US)
30AQI (US)
26AQI (US)
27AQI (US)
28AQI (US)
31AQI (US)
23AQI (US)
31AQI (US)
28AQI (US)
25AQI (US)
24AQI (US)
27AQI (US)
32AQI (US)
26AQI (US)
26AQI (US)
22AQI (US)
39AQI (US)
43AQI (US)
36AQI (US)
29AQI (US)
35AQI (US)
24AQI (US)
34AQI (US)
30AQI (US)
28AQI (US)
No. of days
202633AQI (US)
Highest AQI (US) recorded in
February43AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202533AQI (US)
Highest AQI (US) recorded in
July40AQI (US)
Lowest AQI (US) recorded in
May24AQI (US)
202431AQI (US)
Highest AQI (US) recorded in
December39AQI (US)
Lowest AQI (US) recorded in
April24AQI (US)
202335AQI (US)
Highest AQI (US) recorded in
June50AQI (US)
Lowest AQI (US) recorded in
November28AQI (US)
202231AQI (US)
Highest AQI (US) recorded in
January43AQI (US)
Lowest AQI (US) recorded in
September22AQI (US)
202131AQI (US)
Highest AQI (US) recorded in
August38AQI (US)
Lowest AQI (US) recorded in
October23AQI (US)
202023AQI (US)
Highest AQI (US) recorded in
November30AQI (US)
Lowest AQI (US) recorded in
August17AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Pilon Park's annual 2026 AQI (US) (33) shows an average percentage change of 9.5% (worsened AQI (US)) compared to previous years: 2020 (23), 2021 (31), 2022 (31), 2023 (35), 2024 (31), 2025 (33).