Terrebonne, 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
Terrebonne, 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 35 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 29th Sep - 30th Sep 2026
Terrebonne, Quebec, Canada
6 AM29th Sep 2026
7 PM
5 AM30th Sep 2026
47AQI
19AQI
42AQI
18AQI
In the last 24 hours,
Terrebonne's AQI reached its highest point of 47 at 11 AM during the Day, while the lowest point, 18, was recorded at 12 AM during the Night between 29th Sep and 30th Sep 2026.
Day & Night AQI Trend : Sep 2026
Terrebonne, Quebec, Canada
20°C13/29°C
20°C14/27°C
22°C19/27°C
21°C17/25°C
19°C16/22°C
18°C12/24°C
20°C12/30°C
19°C16/23°C
17°C13/22°C
20°C14/24°C
15°C10/22°C
16°C8/24°C
19°C17/23°C
14°C10/18°C
13°C7/18°C
19°C15/24°C
16°C11/23°C
15°C8/20°C
10°C5/16°C
12°C7/18°C
12°C8/16°C
11°C5/17°C
11°C5/19°C
13°C6/20°C
15°C9/23°C
16°C10/22°C
16°C13/21°C
12°C10/15°C
14°C11/19°C
15°C10/19°C
33AQI
25AQI
34AQI
27AQI
2026 Days Vs Air Quality
Terrebonne, Quebec, Canada
94%
254
6%
15
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
Terrebonne, Quebec, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
17AQI (US)
58AQI (US)
28AQI (US)
67AQI (US)
54AQI (US)
52AQI (US)
48AQI (US)
60AQI (US)
40AQI (US)
13AQI (US)
14AQI (US)
15AQI (US)
39AQI (US)
32AQI (US)
22AQI (US)
12AQI (US)
32AQI (US)
37AQI (US)
54AQI (US)
22AQI (US)
23AQI (US)
50AQI (US)
54AQI (US)
48AQI (US)
48AQI (US)
48AQI (US)
44AQI (US)
48AQI (US)
52AQI (US)
48AQI (US)
44AQI (US)
48AQI (US)
50AQI (US)
50AQI (US)
54AQI (US)
49AQI (US)
40AQI (US)
38AQI (US)
46AQI (US)
46AQI (US)
47AQI (US)
47AQI (US)
44AQI (US)
51AQI (US)
49AQI (US)
42AQI (US)
44AQI (US)
45AQI (US)
44AQI (US)
40AQI (US)
42AQI (US)
35AQI (US)
35AQI (US)
39AQI (US)
44AQI (US)
42AQI (US)
35AQI (US)
35AQI (US)
38AQI (US)
42AQI (US)
53AQI (US)
46AQI (US)
46AQI (US)
42AQI (US)
38AQI (US)
40AQI (US)
40AQI (US)
41AQI (US)
34AQI (US)
44AQI (US)
42AQI (US)
40AQI (US)
38AQI (US)
36AQI (US)
37AQI (US)
35AQI (US)
32AQI (US)
32AQI (US)
37AQI (US)
36AQI (US)
36AQI (US)
41AQI (US)
36AQI (US)
34AQI (US)
30AQI (US)
30AQI (US)
34AQI (US)
32AQI (US)
28AQI (US)
25AQI (US)
32AQI (US)
33AQI (US)
27AQI (US)
31AQI (US)
29AQI (US)
28AQI (US)
26AQI (US)
32AQI (US)
28AQI (US)
31AQI (US)
33AQI (US)
28AQI (US)
34AQI (US)
33AQI (US)
34AQI (US)
30AQI (US)
33AQI (US)
33AQI (US)
30AQI (US)
28AQI (US)
24AQI (US)
28AQI (US)
31AQI (US)
33AQI (US)
28AQI (US)
25AQI (US)
23AQI (US)
26AQI (US)
26AQI (US)
24AQI (US)
20AQI (US)
30AQI (US)
32AQI (US)
31AQI (US)
28AQI (US)
28AQI (US)
34AQI (US)
32AQI (US)
29AQI (US)
28AQI (US)
24AQI (US)
46AQI (US)
52AQI (US)
56AQI (US)
58AQI (US)
55AQI (US)
50AQI (US)
45AQI (US)
44AQI (US)
50AQI (US)
47AQI (US)
45AQI (US)
29AQI (US)
26AQI (US)
18AQI (US)
19AQI (US)
20AQI (US)
26AQI (US)
26AQI (US)
24AQI (US)
21AQI (US)
24AQI (US)
28AQI (US)
25AQI (US)
20AQI (US)
24AQI (US)
26AQI (US)
27AQI (US)
24AQI (US)
26AQI (US)
22AQI (US)
23AQI (US)
23AQI (US)
26AQI (US)
26AQI (US)
24AQI (US)
23AQI (US)
24AQI (US)
21AQI (US)
23AQI (US)
23AQI (US)
23AQI (US)
25AQI (US)
27AQI (US)
28AQI (US)
28AQI (US)
26AQI (US)
26AQI (US)
26AQI (US)
29AQI (US)
29AQI (US)
26AQI (US)
27AQI (US)
29AQI (US)
30AQI (US)
27AQI (US)
28AQI (US)
32AQI (US)
31AQI (US)
34AQI (US)
34AQI (US)
35AQI (US)
40AQI (US)
37AQI (US)
37AQI (US)
48AQI (US)
40AQI (US)
41AQI (US)
42AQI (US)
27AQI (US)
26AQI (US)
28AQI (US)
40AQI (US)
40AQI (US)
38AQI (US)
47AQI (US)
38AQI (US)
32AQI (US)
41AQI (US)
42AQI (US)
44AQI (US)
32AQI (US)
39AQI (US)
37AQI (US)
43AQI (US)
32AQI (US)
38AQI (US)
26AQI (US)
29AQI (US)
35AQI (US)
28AQI (US)
28AQI (US)
26AQI (US)
34AQI (US)
40AQI (US)
27AQI (US)
25AQI (US)
29AQI (US)
28AQI (US)
28AQI (US)
26AQI (US)
24AQI (US)
30AQI (US)
28AQI (US)
26AQI (US)
25AQI (US)
26AQI (US)
22AQI (US)
25AQI (US)
28AQI (US)
26AQI (US)
30AQI (US)
26AQI (US)
26AQI (US)
24AQI (US)
25AQI (US)
30AQI (US)
28AQI (US)
28AQI (US)
36AQI (US)
38AQI (US)
42AQI (US)
30AQI (US)
32AQI (US)
26AQI (US)
28AQI (US)
28AQI (US)
32AQI (US)
26AQI (US)
32AQI (US)
27AQI (US)
26AQI (US)
28AQI (US)
28AQI (US)
34AQI (US)
30AQI (US)
28AQI (US)
23AQI (US)
35AQI (US)
39AQI (US)
44AQI (US)
37AQI (US)
30AQI (US)
35AQI (US)
25AQI (US)
34AQI (US)
31AQI (US)
29AQI (US)
No. of days
202634AQI (US)
Highest AQI (US) recorded in
February44AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202532AQI (US)
Highest AQI (US) recorded in
July40AQI (US)
Lowest AQI (US) recorded in
May22AQI (US)
202431AQI (US)
Highest AQI (US) recorded in
February40AQI (US)
Lowest AQI (US) recorded in
April23AQI (US)
202337AQI (US)
Highest AQI (US) recorded in
June49AQI (US)
Lowest AQI (US) recorded in
May28AQI (US)
202235AQI (US)
Highest AQI (US) recorded in
January54AQI (US)
Lowest AQI (US) recorded in
August19AQI (US)
202135AQI (US)
Highest AQI (US) recorded in
February48AQI (US)
Lowest AQI (US) recorded in
September21AQI (US)
202031AQI (US)
Highest AQI (US) recorded in
November41AQI (US)
Lowest AQI (US) recorded in
September24AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Terrebonne's annual 2026 AQI (US) (34) shows an average percentage change of 1.9% (worsened AQI (US)) compared to previous years: 2020 (31), 2021 (35), 2022 (35), 2023 (37), 2024 (31), 2025 (32).