Gatineau, 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
Gatineau, Quebec, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (29th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 39 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 29th Sep - 30th Sep 2026
Gatineau, Quebec, Canada
6 AM29th Sep 2026
7 PM
5 AM30th Sep 2026
50AQI
25AQI
46AQI
21AQI
In the last 24 hours,
Gatineau's AQI reached its highest point of 50 at 12 PM during the Day, while the lowest point, 21, was recorded at 1 AM during the Night between 29th Sep and 30th Sep 2026.
Day & Night AQI Trend : Sep 2026
Gatineau, Quebec, Canada
20°C16/26°C
21°C16/26°C
22°C19/27°C
20°C15/24°C
19°C14/23°C
19°C13/25°C
20°C12/29°C
19°C16/23°C
18°C15/21°C
19°C13/25°C
15°C8/21°C
16°C8/25°C
20°C16/24°C
13°C9/18°C
12°C7/16°C
18°C14/24°C
16°C11/22°C
13°C8/18°C
10°C4/16°C
12°C7/19°C
10°C5/14°C
10°C5/17°C
11°C6/18°C
12°C6/19°C
14°C7/21°C
15°C9/22°C
16°C11/21°C
14°C12/15°C
14°C10/20°C
15°C10/19°C
31AQI
25AQI
36AQI
29AQI
2026 Days Vs Air Quality
Gatineau, Quebec, Canada
94%
253
6%
16
Total number of days with different AQI categories in last 273 days in 2026 (92 days remaining)
Under WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2026, 94% of 273 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
Gatineau, Quebec, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
22AQI (US)
48AQI (US)
22AQI (US)
34AQI (US)
43AQI (US)
56AQI (US)
59AQI (US)
46AQI (US)
48AQI (US)
17AQI (US)
20AQI (US)
22AQI (US)
51AQI (US)
44AQI (US)
19AQI (US)
19AQI (US)
34AQI (US)
35AQI (US)
46AQI (US)
21AQI (US)
28AQI (US)
50AQI (US)
53AQI (US)
48AQI (US)
46AQI (US)
47AQI (US)
44AQI (US)
47AQI (US)
52AQI (US)
50AQI (US)
45AQI (US)
47AQI (US)
49AQI (US)
49AQI (US)
49AQI (US)
48AQI (US)
42AQI (US)
39AQI (US)
46AQI (US)
46AQI (US)
46AQI (US)
45AQI (US)
43AQI (US)
51AQI (US)
49AQI (US)
40AQI (US)
43AQI (US)
44AQI (US)
43AQI (US)
40AQI (US)
42AQI (US)
35AQI (US)
35AQI (US)
39AQI (US)
44AQI (US)
42AQI (US)
36AQI (US)
35AQI (US)
38AQI (US)
40AQI (US)
54AQI (US)
47AQI (US)
45AQI (US)
42AQI (US)
38AQI (US)
40AQI (US)
39AQI (US)
41AQI (US)
34AQI (US)
44AQI (US)
42AQI (US)
40AQI (US)
37AQI (US)
35AQI (US)
37AQI (US)
34AQI (US)
32AQI (US)
32AQI (US)
37AQI (US)
35AQI (US)
36AQI (US)
42AQI (US)
36AQI (US)
33AQI (US)
28AQI (US)
29AQI (US)
34AQI (US)
30AQI (US)
28AQI (US)
25AQI (US)
32AQI (US)
33AQI (US)
28AQI (US)
32AQI (US)
29AQI (US)
28AQI (US)
26AQI (US)
31AQI (US)
27AQI (US)
30AQI (US)
33AQI (US)
27AQI (US)
33AQI (US)
33AQI (US)
33AQI (US)
30AQI (US)
33AQI (US)
33AQI (US)
29AQI (US)
27AQI (US)
23AQI (US)
27AQI (US)
29AQI (US)
33AQI (US)
28AQI (US)
24AQI (US)
23AQI (US)
26AQI (US)
27AQI (US)
24AQI (US)
20AQI (US)
30AQI (US)
32AQI (US)
30AQI (US)
28AQI (US)
27AQI (US)
34AQI (US)
31AQI (US)
28AQI (US)
28AQI (US)
24AQI (US)
46AQI (US)
53AQI (US)
56AQI (US)
57AQI (US)
54AQI (US)
49AQI (US)
44AQI (US)
44AQI (US)
52AQI (US)
48AQI (US)
45AQI (US)
29AQI (US)
25AQI (US)
18AQI (US)
18AQI (US)
20AQI (US)
27AQI (US)
27AQI (US)
25AQI (US)
23AQI (US)
25AQI (US)
27AQI (US)
25AQI (US)
21AQI (US)
24AQI (US)
24AQI (US)
27AQI (US)
24AQI (US)
27AQI (US)
22AQI (US)
22AQI (US)
24AQI (US)
26AQI (US)
27AQI (US)
25AQI (US)
24AQI (US)
24AQI (US)
21AQI (US)
24AQI (US)
24AQI (US)
23AQI (US)
26AQI (US)
27AQI (US)
29AQI (US)
28AQI (US)
25AQI (US)
26AQI (US)
27AQI (US)
26AQI (US)
28AQI (US)
26AQI (US)
27AQI (US)
27AQI (US)
30AQI (US)
27AQI (US)
29AQI (US)
39AQI (US)
53AQI (US)
70AQI (US)
51AQI (US)
43AQI (US)
49AQI (US)
49AQI (US)
46AQI (US)
51AQI (US)
44AQI (US)
36AQI (US)
46AQI (US)
25AQI (US)
31AQI (US)
28AQI (US)
30AQI (US)
33AQI (US)
43AQI (US)
40AQI (US)
35AQI (US)
33AQI (US)
31AQI (US)
24AQI (US)
32AQI (US)
27AQI (US)
35AQI (US)
32AQI (US)
32AQI (US)
30AQI (US)
33AQI (US)
25AQI (US)
31AQI (US)
31AQI (US)
34AQI (US)
34AQI (US)
27AQI (US)
31AQI (US)
31AQI (US)
24AQI (US)
26AQI (US)
29AQI (US)
26AQI (US)
26AQI (US)
25AQI (US)
26AQI (US)
25AQI (US)
29AQI (US)
26AQI (US)
24AQI (US)
25AQI (US)
27AQI (US)
25AQI (US)
27AQI (US)
27AQI (US)
28AQI (US)
26AQI (US)
25AQI (US)
25AQI (US)
25AQI (US)
30AQI (US)
28AQI (US)
25AQI (US)
36AQI (US)
41AQI (US)
41AQI (US)
28AQI (US)
32AQI (US)
29AQI (US)
29AQI (US)
28AQI (US)
32AQI (US)
27AQI (US)
29AQI (US)
27AQI (US)
27AQI (US)
27AQI (US)
28AQI (US)
34AQI (US)
33AQI (US)
32AQI (US)
29AQI (US)
39AQI (US)
39AQI (US)
43AQI (US)
37AQI (US)
29AQI (US)
35AQI (US)
25AQI (US)
37AQI (US)
28AQI (US)
30AQI (US)
No. of days
202634AQI (US)
Highest AQI (US) recorded in
February43AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202530AQI (US)
Highest AQI (US) recorded in
December39AQI (US)
Lowest AQI (US) recorded in
May18AQI (US)
202428AQI (US)
Highest AQI (US) recorded in
February34AQI (US)
Lowest AQI (US) recorded in
November23AQI (US)
202336AQI (US)
Highest AQI (US) recorded in
June67AQI (US)
Lowest AQI (US) recorded in
November27AQI (US)
202230AQI (US)
Highest AQI (US) recorded in
January42AQI (US)
Lowest AQI (US) recorded in
September22AQI (US)
202131AQI (US)
Highest AQI (US) recorded in
August41AQI (US)
Lowest AQI (US) recorded in
September20AQI (US)
202026AQI (US)
Highest AQI (US) recorded in
November36AQI (US)
Lowest AQI (US) recorded in
September20AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Gatineau's annual 2026 AQI (US) (34) shows an average percentage change of 13.8% (worsened AQI (US)) compared to previous years: 2020 (26), 2021 (31), 2022 (30), 2023 (36), 2024 (28), 2025 (30).