Quesnel, British Columbia, 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
Quesnel, British Columbia, Canada
AQI Trends: Highest and Lowest
Same Day Analysis (14th September ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 1st highest AQI at 59 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 14th Sep - 15th Sep 2025
Quesnel, British Columbia, Canada
6 AM14th Sep 2025
8 PM
5 AM15th Sep 2025
65AQI
42AQI
59AQI
27AQI
In the last 24 hours,
Quesnel's AQI reached its highest point of 65 at 6 AM during the Day, while the lowest point, 27, was recorded at 12 AM during the Night between 14th Sep and 15th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Quesnel, British Columbia, Canada
16°C13/19°C
16°C11/21°C
15°C9/21°C
15°C9/21°C
13°C7/19°C
14°C7/21°C
16°C7/25°C
18°C9/27°C
20°C11/28°C
21°C12/30°C
22°C14/30°C
23°C16/31°C
23°C16/30°C
22°C15/29°C
21°C16/27°C
21°C15/28°C
22°C15/31°C
22°C13/30°C
22°C14/31°C
20°C13/27°C
20°C11/28°C
21°C13/28°C
19°C13/26°C
18°C13/24°C
17°C11/24°C
17°C10/24°C
18°C10/26°C
16°C12/23°C
18°C13/25°C
16°C11/21°C
--°C/°C
73AQI
59AQI
59AQI
54AQI
2025 Days Vs Air Quality
Quesnel, British Columbia, Canada
90%
231
9%
24
0.7%
2
Total number of days with different AQI categories in last 258 days in 2025 (107 days remaining)
Under WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2025, 90% of 258 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
Quesnel, British Columbia, Canada
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
23AQI
27AQI
35AQI
32AQI
33AQI
45AQI
58AQI
31AQI
26AQI
24AQI
22AQI
28AQI
33AQI
26AQI
28AQI
26AQI
25AQI
29AQI
38AQI
37AQI
46AQI
39AQI
31AQI
30AQI
39AQI
53AQI
47AQI
45AQI
40AQI
36AQI
20AQI
21AQI
24AQI
26AQI
36AQI
50AQI
31AQI
50AQI
47AQI
27AQI
31AQI
38AQI
36AQI
35AQI
28AQI
25AQI
41AQI
43AQI
44AQI
25AQI
31AQI
21AQI
20AQI
18AQI
25AQI
22AQI
26AQI
23AQI
33AQI
30AQI
33AQI
21AQI
27AQI
24AQI
24AQI
28AQI
25AQI
24AQI
25AQI
24AQI
19AQI
20AQI
18AQI
19AQI
20AQI
28AQI
23AQI
22AQI
21AQI
24AQI
20AQI
18AQI
18AQI
39AQI
25AQI
18AQI
16AQI
23AQI
39AQI
34AQI
35AQI
39AQI
24AQI
42AQI
37AQI
32AQI
20AQI
22AQI
20AQI
29AQI
19AQI
16AQI
25AQI
22AQI
26AQI
15AQI
30AQI
38AQI
18AQI
17AQI
22AQI
26AQI
27AQI
24AQI
40AQI
39AQI
23AQI
38AQI
24AQI
32AQI
36AQI
30AQI
16AQI
21AQI
31AQI
47AQI
16AQI
20AQI
19AQI
22AQI
23AQI
19AQI
32AQI
22AQI
27AQI
21AQI
17AQI
16AQI
18AQI
16AQI
16AQI
21AQI
25AQI
19AQI
19AQI
22AQI
17AQI
28AQI
28AQI
29AQI
28AQI
16AQI
25AQI
25AQI
31AQI
42AQI
23AQI
32AQI
31AQI
37AQI
51AQI
57AQI
77AQI
46AQI
25AQI
23AQI
33AQI
42AQI
33AQI
24AQI
22AQI
20AQI
19AQI
35AQI
43AQI
33AQI
30AQI
25AQI
19AQI
21AQI
19AQI
27AQI
20AQI
22AQI
22AQI
25AQI
25AQI
23AQI
29AQI
20AQI
24AQI
31AQI
28AQI
21AQI
27AQI
41AQI
48AQI
51AQI
47AQI
44AQI
44AQI
49AQI
46AQI
43AQI
39AQI
29AQI
28AQI
30AQI
33AQI
41AQI
50AQI
48AQI
44AQI
47AQI
33AQI
37AQI
32AQI
36AQI
25AQI
27AQI
30AQI
37AQI
24AQI
33AQI
21AQI
25AQI
34AQI
14AQI
15AQI
18AQI
22AQI
18AQI
27AQI
26AQI
32AQI
35AQI
43AQI
54AQI
58AQI
60AQI
57AQI
56AQI
60AQI
60AQI
76AQI
100AQI
99AQI
99AQI
102AQI
94AQI
142AQI
82AQI
79AQI
84AQI
85AQI
75AQI
59AQI
34AQI
31AQI
24AQI
27AQI
23AQI
32AQI
34AQI
35AQI
88AQI
No. of days
202533AQI
Highest AQI recorded in
September88AQI
Lowest AQI recorded in
May23AQI
202425AQI
Highest AQI recorded in
September35AQI
Lowest AQI recorded in
May14AQI
202325AQI
Highest AQI recorded in
December26AQI
Lowest AQI recorded in
November16AQI
202035AQI
Highest AQI recorded in
March35AQI
Lowest AQI recorded in
April35AQI
Most & Least Polluted Years Over the Last 4 Years
Quesnel's annual 2025 AQI (33) shows an average percentage change of 19.8% (worsened AQI) compared to previous years: 2020 (35), 2023 (25), 2024 (25).