Shannon, 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
Shannon, Quebec, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (25th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 36 of Good air quality, showing improvement over 2023 on the same day.
Day & Night AQI Trend: 25th Sep - 26th Sep 2026
Shannon, Quebec, Canada
6 AM25th Sep 2026
7 PM
5 AM26th Sep 2026
74AQI
21AQI
56AQI
20AQI
In the last 24 hours,
Shannon's AQI reached its highest point of 74 at 8 AM during the Day, while the lowest point, 20, was recorded at 7 PM during the Night between 25th Sep and 26th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Shannon, Quebec, Canada
19°C14/22°C
16°C9/24°C
18°C13/26°C
15°C8/21°C
15°C9/23°C
17°C12/23°C
16°C15/17°C
17°C15/18°C
15°C13/19°C
15°C10/22°C
17°C9/27°C
16°C11/22°C
14°C8/21°C
17°C12/22°C
13°C9/20°C
14°C6/22°C
16°C13/19°C
12°C8/15°C
11°C5/17°C
16°C11/22°C
15°C10/21°C
13°C7/17°C
9°C5/16°C
11°C7/15°C
10°C6/15°C
9°C4/16°C
11°C5/18°C
12°C6/21°C
14°C9/21°C
15°C11/21°C
31AQI
25AQI
35AQI
27AQI
2026 Days Vs Air Quality
Shannon, Quebec, Canada
91%
240
9%
25
Total number of days with different AQI categories in last 269 days in 2026 (96 days remaining)
Under WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2026, 91% of 269 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
Shannon, Quebec, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
31AQI (US)
22AQI (US)
21AQI (US)
34AQI (US)
39AQI (US)
57AQI (US)
48AQI (US)
60AQI (US)
48AQI (US)
19AQI (US)
19AQI (US)
22AQI (US)
55AQI (US)
41AQI (US)
46AQI (US)
16AQI (US)
38AQI (US)
45AQI (US)
62AQI (US)
28AQI (US)
43AQI (US)
56AQI (US)
59AQI (US)
49AQI (US)
50AQI (US)
46AQI (US)
37AQI (US)
43AQI (US)
46AQI (US)
50AQI (US)
39AQI (US)
47AQI (US)
50AQI (US)
49AQI (US)
53AQI (US)
52AQI (US)
38AQI (US)
35AQI (US)
41AQI (US)
46AQI (US)
43AQI (US)
39AQI (US)
38AQI (US)
46AQI (US)
45AQI (US)
36AQI (US)
42AQI (US)
43AQI (US)
40AQI (US)
40AQI (US)
38AQI (US)
34AQI (US)
35AQI (US)
37AQI (US)
40AQI (US)
41AQI (US)
34AQI (US)
33AQI (US)
34AQI (US)
35AQI (US)
54AQI (US)
43AQI (US)
45AQI (US)
40AQI (US)
30AQI (US)
43AQI (US)
38AQI (US)
37AQI (US)
34AQI (US)
42AQI (US)
39AQI (US)
41AQI (US)
36AQI (US)
31AQI (US)
33AQI (US)
32AQI (US)
31AQI (US)
35AQI (US)
41AQI (US)
41AQI (US)
34AQI (US)
40AQI (US)
35AQI (US)
33AQI (US)
27AQI (US)
28AQI (US)
32AQI (US)
26AQI (US)
25AQI (US)
22AQI (US)
28AQI (US)
30AQI (US)
26AQI (US)
31AQI (US)
29AQI (US)
28AQI (US)
25AQI (US)
30AQI (US)
27AQI (US)
30AQI (US)
30AQI (US)
24AQI (US)
29AQI (US)
31AQI (US)
32AQI (US)
29AQI (US)
27AQI (US)
32AQI (US)
29AQI (US)
26AQI (US)
22AQI (US)
24AQI (US)
28AQI (US)
31AQI (US)
27AQI (US)
24AQI (US)
23AQI (US)
26AQI (US)
25AQI (US)
25AQI (US)
21AQI (US)
34AQI (US)
37AQI (US)
29AQI (US)
25AQI (US)
26AQI (US)
31AQI (US)
26AQI (US)
24AQI (US)
26AQI (US)
21AQI (US)
46AQI (US)
52AQI (US)
56AQI (US)
57AQI (US)
55AQI (US)
50AQI (US)
44AQI (US)
42AQI (US)
50AQI (US)
47AQI (US)
45AQI (US)
30AQI (US)
28AQI (US)
21AQI (US)
22AQI (US)
25AQI (US)
28AQI (US)
29AQI (US)
27AQI (US)
26AQI (US)
25AQI (US)
27AQI (US)
25AQI (US)
24AQI (US)
25AQI (US)
26AQI (US)
27AQI (US)
27AQI (US)
26AQI (US)
25AQI (US)
24AQI (US)
25AQI (US)
27AQI (US)
27AQI (US)
26AQI (US)
22AQI (US)
22AQI (US)
20AQI (US)
24AQI (US)
22AQI (US)
23AQI (US)
25AQI (US)
27AQI (US)
29AQI (US)
28AQI (US)
32AQI (US)
63AQI (US)
49AQI (US)
41AQI (US)
36AQI (US)
29AQI (US)
29AQI (US)
30AQI (US)
31AQI (US)
48AQI (US)
33AQI (US)
34AQI (US)
28AQI (US)
29AQI (US)
43AQI (US)
52AQI (US)
44AQI (US)
36AQI (US)
34AQI (US)
49AQI (US)
43AQI (US)
39AQI (US)
52AQI (US)
35AQI (US)
25AQI (US)
42AQI (US)
52AQI (US)
56AQI (US)
58AQI (US)
54AQI (US)
47AQI (US)
45AQI (US)
47AQI (US)
44AQI (US)
52AQI (US)
40AQI (US)
38AQI (US)
46AQI (US)
52AQI (US)
57AQI (US)
57AQI (US)
39AQI (US)
30AQI (US)
34AQI (US)
24AQI (US)
28AQI (US)
31AQI (US)
41AQI (US)
59AQI (US)
32AQI (US)
27AQI (US)
37AQI (US)
41AQI (US)
28AQI (US)
29AQI (US)
28AQI (US)
36AQI (US)
25AQI (US)
26AQI (US)
36AQI (US)
30AQI (US)
22AQI (US)
24AQI (US)
25AQI (US)
29AQI (US)
25AQI (US)
25AQI (US)
26AQI (US)
24AQI (US)
24AQI (US)
32AQI (US)
28AQI (US)
36AQI (US)
36AQI (US)
43AQI (US)
48AQI (US)
38AQI (US)
26AQI (US)
25AQI (US)
27AQI (US)
28AQI (US)
31AQI (US)
23AQI (US)
33AQI (US)
26AQI (US)
26AQI (US)
28AQI (US)
28AQI (US)
36AQI (US)
41AQI (US)
41AQI (US)
36AQI (US)
28AQI (US)
35AQI (US)
27AQI (US)
41AQI (US)
36AQI (US)
30AQI (US)
No. of days
202635AQI (US)
Highest AQI (US) recorded in
January41AQI (US)
Lowest AQI (US) recorded in
June27AQI (US)
202531AQI (US)
Highest AQI (US) recorded in
December42AQI (US)
Lowest AQI (US) recorded in
April19AQI (US)
202423AQI (US)
Highest AQI (US) recorded in
August30AQI (US)
Lowest AQI (US) recorded in
November14AQI (US)
202332AQI (US)
Highest AQI (US) recorded in
June65AQI (US)
Lowest AQI (US) recorded in
January23AQI (US)
202226AQI (US)
Highest AQI (US) recorded in
January32AQI (US)
Lowest AQI (US) recorded in
December19AQI (US)
202127AQI (US)
Highest AQI (US) recorded in
August38AQI (US)
Lowest AQI (US) recorded in
September17AQI (US)
202020AQI (US)
Highest AQI (US) recorded in
November26AQI (US)
Lowest AQI (US) recorded in
August16AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Shannon's annual 2026 AQI (US) (35) shows an average percentage change of 35.6% (worsened AQI (US)) compared to previous years: 2020 (20), 2021 (27), 2022 (26), 2023 (32), 2024 (23), 2025 (31).