Boucherville, Quebec, Canada Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Boucherville, Quebec, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (2nd October):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 29 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 1st Oct - 2nd Oct 2026
Boucherville, Quebec, Canada
6 AM1st Oct 2026
7 PM
5 AM2nd Oct 2026
42AQI
25AQI
36AQI
21AQI
In the last 24 hours,
Boucherville's AQI reached its highest point of 42 at 1 PM during the Day, while the lowest point, 21, was recorded at 12 AM during the Night between 1st Oct and 2nd Oct 2026.
Day & Night AQI Trend : Sep - Oct 2026
Boucherville, Quebec, Canada
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
14°C11/19°C
15°C11/20°C
19°C14/24°C
17°C13/20°C
32AQI
26AQI
33AQI
28AQI
2026 Days Vs Air Quality
Boucherville, Quebec, Canada
94%
256
6%
16
Total number of days with different AQI categories in last 275 days in 2026 (90 days remaining)
Under WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2026, 94% of 275 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
Boucherville, Quebec, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
16AQI (US)
37AQI (US)
18AQI (US)
56AQI (US)
45AQI (US)
56AQI (US)
58AQI (US)
69AQI (US)
43AQI (US)
17AQI (US)
16AQI (US)
18AQI (US)
53AQI (US)
42AQI (US)
33AQI (US)
14AQI (US)
40AQI (US)
36AQI (US)
50AQI (US)
22AQI (US)
34AQI (US)
49AQI (US)
54AQI (US)
49AQI (US)
46AQI (US)
48AQI (US)
45AQI (US)
46AQI (US)
51AQI (US)
49AQI (US)
44AQI (US)
47AQI (US)
50AQI (US)
51AQI (US)
53AQI (US)
48AQI (US)
41AQI (US)
37AQI (US)
45AQI (US)
46AQI (US)
46AQI (US)
46AQI (US)
43AQI (US)
51AQI (US)
49AQI (US)
41AQI (US)
44AQI (US)
45AQI (US)
43AQI (US)
40AQI (US)
43AQI (US)
36AQI (US)
35AQI (US)
39AQI (US)
44AQI (US)
42AQI (US)
34AQI (US)
34AQI (US)
38AQI (US)
41AQI (US)
52AQI (US)
47AQI (US)
45AQI (US)
42AQI (US)
38AQI (US)
40AQI (US)
39AQI (US)
40AQI (US)
34AQI (US)
44AQI (US)
41AQI (US)
40AQI (US)
37AQI (US)
35AQI (US)
37AQI (US)
34AQI (US)
32AQI (US)
32AQI (US)
36AQI (US)
36AQI (US)
35AQI (US)
42AQI (US)
36AQI (US)
33AQI (US)
29AQI (US)
30AQI (US)
34AQI (US)
30AQI (US)
28AQI (US)
25AQI (US)
33AQI (US)
34AQI (US)
28AQI (US)
32AQI (US)
30AQI (US)
28AQI (US)
26AQI (US)
31AQI (US)
28AQI (US)
30AQI (US)
33AQI (US)
27AQI (US)
32AQI (US)
33AQI (US)
33AQI (US)
29AQI (US)
33AQI (US)
33AQI (US)
30AQI (US)
28AQI (US)
23AQI (US)
28AQI (US)
31AQI (US)
33AQI (US)
29AQI (US)
25AQI (US)
23AQI (US)
27AQI (US)
27AQI (US)
24AQI (US)
21AQI (US)
30AQI (US)
32AQI (US)
31AQI (US)
29AQI (US)
27AQI (US)
33AQI (US)
32AQI (US)
28AQI (US)
28AQI (US)
24AQI (US)
46AQI (US)
53AQI (US)
56AQI (US)
58AQI (US)
55AQI (US)
49AQI (US)
44AQI (US)
44AQI (US)
51AQI (US)
47AQI (US)
45AQI (US)
29AQI (US)
26AQI (US)
18AQI (US)
19AQI (US)
20AQI (US)
26AQI (US)
27AQI (US)
25AQI (US)
22AQI (US)
24AQI (US)
27AQI (US)
26AQI (US)
19AQI (US)
24AQI (US)
25AQI (US)
27AQI (US)
27AQI (US)
26AQI (US)
22AQI (US)
23AQI (US)
23AQI (US)
26AQI (US)
27AQI (US)
25AQI (US)
23AQI (US)
24AQI (US)
21AQI (US)
23AQI (US)
22AQI (US)
24AQI (US)
25AQI (US)
27AQI (US)
28AQI (US)
28AQI (US)
26AQI (US)
26AQI (US)
26AQI (US)
28AQI (US)
29AQI (US)
26AQI (US)
27AQI (US)
30AQI (US)
30AQI (US)
27AQI (US)
29AQI (US)
32AQI (US)
31AQI (US)
33AQI (US)
32AQI (US)
34AQI (US)
37AQI (US)
37AQI (US)
35AQI (US)
48AQI (US)
37AQI (US)
36AQI (US)
41AQI (US)
28AQI (US)
30AQI (US)
29AQI (US)
37AQI (US)
40AQI (US)
37AQI (US)
47AQI (US)
38AQI (US)
30AQI (US)
42AQI (US)
40AQI (US)
40AQI (US)
32AQI (US)
40AQI (US)
36AQI (US)
42AQI (US)
36AQI (US)
34AQI (US)
26AQI (US)
29AQI (US)
33AQI (US)
28AQI (US)
27AQI (US)
27AQI (US)
31AQI (US)
33AQI (US)
28AQI (US)
23AQI (US)
28AQI (US)
26AQI (US)
28AQI (US)
27AQI (US)
25AQI (US)
34AQI (US)
29AQI (US)
25AQI (US)
25AQI (US)
26AQI (US)
22AQI (US)
24AQI (US)
26AQI (US)
26AQI (US)
30AQI (US)
25AQI (US)
25AQI (US)
22AQI (US)
24AQI (US)
29AQI (US)
28AQI (US)
30AQI (US)
36AQI (US)
41AQI (US)
40AQI (US)
28AQI (US)
36AQI (US)
27AQI (US)
29AQI (US)
27AQI (US)
32AQI (US)
27AQI (US)
32AQI (US)
28AQI (US)
28AQI (US)
30AQI (US)
29AQI (US)
33AQI (US)
27AQI (US)
28AQI (US)
24AQI (US)
36AQI (US)
30AQI (US)
29AQI (US)
29AQI (US)
40AQI (US)
43AQI (US)
37AQI (US)
30AQI (US)
35AQI (US)
25AQI (US)
34AQI (US)
30AQI (US)
30AQI (US)
29AQI (US)
No. of days
202634AQI (US)
Highest AQI (US) recorded in
February43AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202533AQI (US)
Highest AQI (US) recorded in
July40AQI (US)
Lowest AQI (US) recorded in
May23AQI (US)
202432AQI (US)
Highest AQI (US) recorded in
February40AQI (US)
Lowest AQI (US) recorded in
November24AQI (US)
202336AQI (US)
Highest AQI (US) recorded in
June52AQI (US)
Lowest AQI (US) recorded in
November28AQI (US)
202232AQI (US)
Highest AQI (US) recorded in
January45AQI (US)
Lowest AQI (US) recorded in
August14AQI (US)
202133AQI (US)
Highest AQI (US) recorded in
February42AQI (US)
Lowest AQI (US) recorded in
September24AQI (US)
202028AQI (US)
Highest AQI (US) recorded in
November35AQI (US)
Lowest AQI (US) recorded in
October23AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Boucherville's annual 2026 AQI (US) (34) shows an average percentage change of 5.7% (worsened AQI (US)) compared to previous years: 2020 (28), 2021 (33), 2022 (32), 2023 (36), 2024 (32), 2025 (33).