Senneterre, 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
Senneterre, Quebec, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 50 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Oct - 5th Oct 2025
Senneterre, Quebec, Canada
6 AM4th Oct 2025
7 PM
5 AM5th Oct 2025
58AQI
48AQI
64AQI
51AQI
In the last 24 hours,
Senneterre's AQI reached its highest point of 64 at 1 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 4th Oct and 5th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Senneterre, Quebec, Canada
11°C7/15°C
10°C8/13°C
10°C8/12°C
11°C7/16°C
13°C10/15°C
13°C12/13°C
10°C8/15°C
11°C0/19°C
13°C7/17°C
10°C9/13°C
14°C8/20°C
15°C3/25°C
19°C11/26°C
12°C6/16°C
7°C3/11°C
7°C0/14°C
11°C1/21°C
15°C12/20°C
14°C11/19°C
14°C7/22°C
15°C9/23°C
12°C8/16°C
11°C2/20°C
15°C10/23°C
14°C8/21°C
8°C5/11°C
6°C0/12°C
10°C2/20°C
14°C9/19°C
14°C6/24°C
--°C/°C
25AQI
23AQI
27AQI
25AQI
2025 Days Vs Air Quality
Senneterre, Quebec, Canada
89%
170
11%
21
Total number of days with different AQI categories in last 278 days in 2025 (87 days remaining)
Under WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% of 278 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Senneterre, Quebec, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
18AQI
19AQI
17AQI
17AQI
18AQI
16AQI
18AQI
16AQI
17AQI
15AQI
16AQI
14AQI
16AQI
18AQI
22AQI
18AQI
21AQI
23AQI
22AQI
17AQI
14AQI
17AQI
20AQI
18AQI
14AQI
13AQI
14AQI
12AQI
17AQI
17AQI
13AQI
13AQI
20AQI
19AQI
12AQI
15AQI
15AQI
14AQI
17AQI
14AQI
17AQI
16AQI
15AQI
15AQI
14AQI
14AQI
17AQI
22AQI
25AQI
21AQI
22AQI
25AQI
14AQI
13AQI
13AQI
13AQI
13AQI
14AQI
13AQI
16AQI
17AQI
22AQI
28AQI
29AQI
26AQI
16AQI
11AQI
14AQI
27AQI
43AQI
49AQI
52AQI
55AQI
49AQI
55AQI
50AQI
50AQI
41AQI
21AQI
19AQI
30AQI
42AQI
40AQI
30AQI
41AQI
18AQI
22AQI
24AQI
39AQI
38AQI
26AQI
23AQI
29AQI
22AQI
21AQI
30AQI
29AQI
30AQI
28AQI
25AQI
29AQI
33AQI
24AQI
23AQI
30AQI
31AQI
35AQI
46AQI
46AQI
56AQI
62AQI
56AQI
30AQI
31AQI
42AQI
45AQI
22AQI
20AQI
27AQI
37AQI
48AQI
61AQI
61AQI
59AQI
55AQI
66AQI
48AQI
52AQI
84AQI
84AQI
53AQI
34AQI
35AQI
49AQI
67AQI
59AQI
58AQI
56AQI
55AQI
58AQI
29AQI
28AQI
40AQI
23AQI
15AQI
18AQI
20AQI
23AQI
30AQI
27AQI
24AQI
16AQI
14AQI
19AQI
20AQI
17AQI
17AQI
27AQI
40AQI
39AQI
31AQI
22AQI
22AQI
18AQI
18AQI
19AQI
24AQI
23AQI
21AQI
21AQI
30AQI
25AQI
23AQI
26AQI
28AQI
26AQI
17AQI
16AQI
17AQI
21AQI
31AQI
23AQI
21AQI
22AQI
19AQI
24AQI
23AQI
18AQI
23AQI
39AQI
50AQI
18AQI
17AQI
18AQI
34AQI
40AQI
37AQI
24AQI
37AQI
No. of days
202528AQI
Highest AQI recorded in
July40AQI
Lowest AQI recorded in
April17AQI
Most & Least Polluted Years Over the Last 1 Years
Senneterre's annual 2025 AQI (28) shows an average percentage change of NaN% (improved AQI) compared to previous years: .