Mont Laurier, 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
Mont Laurier, Quebec, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (29th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 40 of Good air quality, showing improvement over 2023 on the same day.
Day & Night AQI Trend: 28th Sep - 29th Sep 2026
Mont Laurier, Quebec, Canada
6 AM28th Sep 2026
7 PM
5 AM29th Sep 2026
54AQI
16AQI
67AQI
21AQI
In the last 24 hours,
Mont Laurier's AQI reached its highest point of 67 at 3 AM during the Night, while the lowest point, 16, was recorded at 12 PM during the Day between 28th Sep and 29th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Mont Laurier, Quebec, Canada
16°C8/24°C
17°C12/24°C
18°C13/23°C
19°C16/23°C
16°C13/20°C
16°C12/20°C
16°C11/22°C
17°C10/24°C
17°C14/20°C
16°C13/20°C
15°C10/18°C
12°C6/19°C
14°C6/21°C
17°C12/22°C
10°C6/13°C
10°C6/16°C
16°C11/20°C
14°C8/20°C
11°C6/14°C
8°C2/15°C
10°C6/16°C
8°C3/13°C
8°C3/15°C
10°C4/17°C
11°C5/18°C
13°C7/20°C
13°C8/20°C
14°C9/19°C
12°C10/15°C
13°C9/19°C
31AQI
25AQI
34AQI
28AQI
2026 Days Vs Air Quality
Mont Laurier, Quebec, Canada
93%
250
7%
19
Total number of days with different AQI categories in last 272 days in 2026 (93 days remaining)
Under WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2026, 93% of 272 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
Mont Laurier, Quebec, Canada
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
21AQI (US)
48AQI (US)
20AQI (US)
33AQI (US)
43AQI (US)
56AQI (US)
59AQI (US)
47AQI (US)
48AQI (US)
16AQI (US)
19AQI (US)
22AQI (US)
52AQI (US)
44AQI (US)
20AQI (US)
18AQI (US)
35AQI (US)
35AQI (US)
46AQI (US)
20AQI (US)
28AQI (US)
56AQI (US)
60AQI (US)
50AQI (US)
50AQI (US)
47AQI (US)
37AQI (US)
43AQI (US)
48AQI (US)
52AQI (US)
41AQI (US)
49AQI (US)
53AQI (US)
49AQI (US)
46AQI (US)
51AQI (US)
38AQI (US)
36AQI (US)
41AQI (US)
46AQI (US)
44AQI (US)
38AQI (US)
39AQI (US)
47AQI (US)
46AQI (US)
36AQI (US)
43AQI (US)
43AQI (US)
42AQI (US)
41AQI (US)
39AQI (US)
35AQI (US)
35AQI (US)
38AQI (US)
42AQI (US)
41AQI (US)
34AQI (US)
34AQI (US)
35AQI (US)
36AQI (US)
55AQI (US)
44AQI (US)
46AQI (US)
41AQI (US)
31AQI (US)
42AQI (US)
38AQI (US)
38AQI (US)
34AQI (US)
42AQI (US)
40AQI (US)
42AQI (US)
36AQI (US)
32AQI (US)
34AQI (US)
33AQI (US)
31AQI (US)
34AQI (US)
41AQI (US)
41AQI (US)
34AQI (US)
40AQI (US)
36AQI (US)
33AQI (US)
27AQI (US)
28AQI (US)
31AQI (US)
27AQI (US)
26AQI (US)
24AQI (US)
28AQI (US)
30AQI (US)
27AQI (US)
31AQI (US)
29AQI (US)
28AQI (US)
25AQI (US)
30AQI (US)
27AQI (US)
30AQI (US)
30AQI (US)
24AQI (US)
29AQI (US)
33AQI (US)
32AQI (US)
29AQI (US)
28AQI (US)
33AQI (US)
28AQI (US)
27AQI (US)
23AQI (US)
25AQI (US)
28AQI (US)
32AQI (US)
27AQI (US)
25AQI (US)
23AQI (US)
26AQI (US)
25AQI (US)
24AQI (US)
21AQI (US)
34AQI (US)
37AQI (US)
29AQI (US)
25AQI (US)
27AQI (US)
31AQI (US)
27AQI (US)
25AQI (US)
28AQI (US)
22AQI (US)
46AQI (US)
54AQI (US)
57AQI (US)
58AQI (US)
55AQI (US)
52AQI (US)
45AQI (US)
44AQI (US)
51AQI (US)
48AQI (US)
46AQI (US)
29AQI (US)
27AQI (US)
20AQI (US)
20AQI (US)
20AQI (US)
27AQI (US)
28AQI (US)
27AQI (US)
21AQI (US)
25AQI (US)
28AQI (US)
26AQI (US)
22AQI (US)
23AQI (US)
23AQI (US)
27AQI (US)
26AQI (US)
27AQI (US)
23AQI (US)
24AQI (US)
25AQI (US)
26AQI (US)
27AQI (US)
26AQI (US)
24AQI (US)
23AQI (US)
21AQI (US)
24AQI (US)
24AQI (US)
23AQI (US)
25AQI (US)
27AQI (US)
29AQI (US)
30AQI (US)
27AQI (US)
28AQI (US)
27AQI (US)
28AQI (US)
29AQI (US)
27AQI (US)
29AQI (US)
29AQI (US)
33AQI (US)
28AQI (US)
29AQI (US)
40AQI (US)
54AQI (US)
72AQI (US)
51AQI (US)
43AQI (US)
49AQI (US)
49AQI (US)
48AQI (US)
56AQI (US)
46AQI (US)
40AQI (US)
50AQI (US)
28AQI (US)
29AQI (US)
35AQI (US)
37AQI (US)
35AQI (US)
45AQI (US)
46AQI (US)
37AQI (US)
38AQI (US)
32AQI (US)
25AQI (US)
41AQI (US)
31AQI (US)
36AQI (US)
35AQI (US)
33AQI (US)
29AQI (US)
37AQI (US)
26AQI (US)
30AQI (US)
31AQI (US)
32AQI (US)
30AQI (US)
28AQI (US)
38AQI (US)
32AQI (US)
30AQI (US)
26AQI (US)
28AQI (US)
25AQI (US)
26AQI (US)
25AQI (US)
23AQI (US)
28AQI (US)
29AQI (US)
27AQI (US)
25AQI (US)
27AQI (US)
24AQI (US)
27AQI (US)
28AQI (US)
27AQI (US)
27AQI (US)
26AQI (US)
25AQI (US)
23AQI (US)
25AQI (US)
29AQI (US)
30AQI (US)
25AQI (US)
34AQI (US)
40AQI (US)
41AQI (US)
28AQI (US)
30AQI (US)
26AQI (US)
28AQI (US)
27AQI (US)
32AQI (US)
25AQI (US)
28AQI (US)
27AQI (US)
26AQI (US)
24AQI (US)
27AQI (US)
35AQI (US)
31AQI (US)
33AQI (US)
37AQI (US)
40AQI (US)
39AQI (US)
41AQI (US)
36AQI (US)
28AQI (US)
35AQI (US)
25AQI (US)
39AQI (US)
29AQI (US)
30AQI (US)
No. of days
202634AQI (US)
Highest AQI (US) recorded in
February41AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202529AQI (US)
Highest AQI (US) recorded in
July39AQI (US)
Lowest AQI (US) recorded in
May17AQI (US)
202422AQI (US)
Highest AQI (US) recorded in
August31AQI (US)
Lowest AQI (US) recorded in
November16AQI (US)
202329AQI (US)
Highest AQI (US) recorded in
June64AQI (US)
Lowest AQI (US) recorded in
November20AQI (US)
202223AQI (US)
Highest AQI (US) recorded in
July28AQI (US)
Lowest AQI (US) recorded in
August14AQI (US)
202125AQI (US)
Highest AQI (US) recorded in
August41AQI (US)
Lowest AQI (US) recorded in
September15AQI (US)
202021AQI (US)
Highest AQI (US) recorded in
November25AQI (US)
Lowest AQI (US) recorded in
October16AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Mont Laurier's annual 2026 AQI (US) (34) shows an average percentage change of 39.1% (worsened AQI (US)) compared to previous years: 2020 (21), 2021 (25), 2022 (23), 2023 (29), 2024 (22), 2025 (29).