Trois Rivieres, 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
Trois Rivieres, Quebec, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (1st October):
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: 1st Oct - 2nd Oct 2026
Trois Rivieres, Quebec, Canada
6 AM1st Oct 2026
6 PM
5 AM2nd Oct 2026
60AQI
28AQI
44AQI
26AQI
In the last 24 hours,
Trois Rivieres's AQI reached its highest point of 60 at 2 PM during the Day, while the lowest point, 26, was recorded at 10 PM during the Night between 1st Oct and 2nd Oct 2026.
Day & Night AQI Trend : Sep - Oct 2026
Trois Rivieres, Quebec, Canada
19°C17/22°C
19°C16/23°C
17°C15/20°C
17°C12/25°C
19°C10/29°C
18°C13/22°C
15°C10/21°C
18°C11/23°C
14°C9/22°C
15°C9/24°C
18°C15/21°C
13°C9/15°C
12°C6/17°C
18°C13/23°C
15°C9/22°C
14°C6/18°C
9°C4/16°C
11°C7/16°C
11°C6/15°C
10°C5/16°C
11°C5/18°C
12°C5/20°C
14°C8/23°C
15°C10/21°C
15°C11/19°C
11°C10/13°C
13°C11/18°C
14°C9/19°C
18°C11/26°C
17°C12/21°C
33AQI
26AQI
34AQI
27AQI
2026 Days Vs Air Quality
Trois Rivieres, Quebec, Canada
96%
259
4%
12
Total number of days with different AQI categories in last 275 days in 2026 (90 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2026, 96% 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
Trois Rivieres, Quebec, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
22AQI (US)
34AQI (US)
23AQI (US)
37AQI (US)
41AQI (US)
51AQI (US)
47AQI (US)
42AQI (US)
35AQI (US)
20AQI (US)
23AQI (US)
17AQI (US)
45AQI (US)
35AQI (US)
28AQI (US)
18AQI (US)
36AQI (US)
41AQI (US)
64AQI (US)
28AQI (US)
35AQI (US)
49AQI (US)
54AQI (US)
49AQI (US)
47AQI (US)
47AQI (US)
43AQI (US)
46AQI (US)
51AQI (US)
48AQI (US)
43AQI (US)
47AQI (US)
49AQI (US)
51AQI (US)
53AQI (US)
50AQI (US)
40AQI (US)
38AQI (US)
44AQI (US)
45AQI (US)
46AQI (US)
46AQI (US)
45AQI (US)
53AQI (US)
47AQI (US)
41AQI (US)
42AQI (US)
43AQI (US)
41AQI (US)
40AQI (US)
43AQI (US)
37AQI (US)
35AQI (US)
39AQI (US)
43AQI (US)
41AQI (US)
34AQI (US)
33AQI (US)
37AQI (US)
40AQI (US)
52AQI (US)
45AQI (US)
44AQI (US)
43AQI (US)
38AQI (US)
39AQI (US)
38AQI (US)
39AQI (US)
33AQI (US)
40AQI (US)
41AQI (US)
39AQI (US)
36AQI (US)
35AQI (US)
36AQI (US)
35AQI (US)
32AQI (US)
32AQI (US)
36AQI (US)
36AQI (US)
35AQI (US)
41AQI (US)
36AQI (US)
34AQI (US)
30AQI (US)
31AQI (US)
35AQI (US)
31AQI (US)
27AQI (US)
25AQI (US)
32AQI (US)
34AQI (US)
27AQI (US)
31AQI (US)
29AQI (US)
27AQI (US)
27AQI (US)
31AQI (US)
27AQI (US)
30AQI (US)
33AQI (US)
29AQI (US)
32AQI (US)
34AQI (US)
33AQI (US)
30AQI (US)
34AQI (US)
34AQI (US)
31AQI (US)
29AQI (US)
25AQI (US)
29AQI (US)
32AQI (US)
33AQI (US)
29AQI (US)
25AQI (US)
22AQI (US)
26AQI (US)
27AQI (US)
25AQI (US)
21AQI (US)
28AQI (US)
32AQI (US)
31AQI (US)
28AQI (US)
28AQI (US)
33AQI (US)
32AQI (US)
29AQI (US)
30AQI (US)
25AQI (US)
45AQI (US)
52AQI (US)
57AQI (US)
57AQI (US)
55AQI (US)
49AQI (US)
44AQI (US)
44AQI (US)
50AQI (US)
47AQI (US)
45AQI (US)
29AQI (US)
27AQI (US)
24AQI (US)
19AQI (US)
23AQI (US)
25AQI (US)
26AQI (US)
25AQI (US)
24AQI (US)
30AQI (US)
28AQI (US)
25AQI (US)
23AQI (US)
25AQI (US)
26AQI (US)
27AQI (US)
27AQI (US)
26AQI (US)
24AQI (US)
23AQI (US)
24AQI (US)
26AQI (US)
26AQI (US)
25AQI (US)
22AQI (US)
22AQI (US)
21AQI (US)
24AQI (US)
22AQI (US)
23AQI (US)
25AQI (US)
26AQI (US)
28AQI (US)
31AQI (US)
25AQI (US)
35AQI (US)
33AQI (US)
30AQI (US)
29AQI (US)
28AQI (US)
33AQI (US)
31AQI (US)
32AQI (US)
27AQI (US)
29AQI (US)
32AQI (US)
28AQI (US)
34AQI (US)
44AQI (US)
47AQI (US)
38AQI (US)
37AQI (US)
33AQI (US)
43AQI (US)
43AQI (US)
43AQI (US)
45AQI (US)
32AQI (US)
28AQI (US)
33AQI (US)
42AQI (US)
45AQI (US)
43AQI (US)
43AQI (US)
43AQI (US)
40AQI (US)
43AQI (US)
40AQI (US)
44AQI (US)
34AQI (US)
42AQI (US)
39AQI (US)
47AQI (US)
40AQI (US)
42AQI (US)
33AQI (US)
26AQI (US)
35AQI (US)
26AQI (US)
25AQI (US)
27AQI (US)
40AQI (US)
44AQI (US)
26AQI (US)
26AQI (US)
27AQI (US)
24AQI (US)
28AQI (US)
31AQI (US)
24AQI (US)
34AQI (US)
28AQI (US)
24AQI (US)
25AQI (US)
29AQI (US)
23AQI (US)
26AQI (US)
28AQI (US)
27AQI (US)
26AQI (US)
26AQI (US)
25AQI (US)
25AQI (US)
26AQI (US)
31AQI (US)
26AQI (US)
28AQI (US)
37AQI (US)
40AQI (US)
42AQI (US)
28AQI (US)
31AQI (US)
24AQI (US)
26AQI (US)
28AQI (US)
31AQI (US)
27AQI (US)
33AQI (US)
27AQI (US)
26AQI (US)
30AQI (US)
28AQI (US)
35AQI (US)
29AQI (US)
28AQI (US)
23AQI (US)
37AQI (US)
33AQI (US)
36AQI (US)
39AQI (US)
43AQI (US)
37AQI (US)
30AQI (US)
35AQI (US)
25AQI (US)
36AQI (US)
32AQI (US)
29AQI (US)
36AQI (US)
No. of days
202634AQI (US)
Highest AQI (US) recorded in
February43AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202532AQI (US)
Highest AQI (US) recorded in
December39AQI (US)
Lowest AQI (US) recorded in
May21AQI (US)
202431AQI (US)
Highest AQI (US) recorded in
February39AQI (US)
Lowest AQI (US) recorded in
November23AQI (US)
202336AQI (US)
Highest AQI (US) recorded in
July49AQI (US)
Lowest AQI (US) recorded in
November29AQI (US)
202234AQI (US)
Highest AQI (US) recorded in
January49AQI (US)
Lowest AQI (US) recorded in
September24AQI (US)
202135AQI (US)
Highest AQI (US) recorded in
February46AQI (US)
Lowest AQI (US) recorded in
September24AQI (US)
202031AQI (US)
Highest AQI (US) recorded in
November39AQI (US)
Lowest AQI (US) recorded in
October25AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Trois Rivieres's annual 2026 AQI (US) (34) shows an average percentage change of 2.8% (worsened AQI (US)) compared to previous years: 2020 (31), 2021 (35), 2022 (34), 2023 (36), 2024 (31), 2025 (32).