Valenciennes Wallon, Valenciennes, Hauts De France, France Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Valenciennes Wallon, Valenciennes, Hauts De France, France
AQI Trends: Highest and Lowest
Same Day Analysis (12th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 46 of Good air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 12th Aug - 13th Aug 2025
Valenciennes Wallon, Valenciennes, Hauts De France, France
6 AM12th Aug 2025
9 PM
5 AM13th Aug 2025
50AQI
43AQI
58AQI
44AQI
In the last 24 hours,
Valenciennes Wallon's AQI reached its highest point of 58 at 4 AM during the Night, while the lowest point, 43, was recorded at 6 AM during the Day between 12th Aug and 13th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Valenciennes Wallon, Valenciennes, Hauts De France, France
21°C16/27°C
19°C12/24°C
19°C14/26°C
20°C12/27°C
24°C16/31°C
25°C18/32°C
19°C16/24°C
17°C14/21°C
18°C12/23°C
18°C12/24°C
18°C14/24°C
20°C14/26°C
20°C14/26°C
18°C13/24°C
18°C12/23°C
18°C13/23°C
18°C13/24°C
19°C15/26°C
18°C15/23°C
15°C12/19°C
18°C11/24°C
22°C17/28°C
19°C14/23°C
18°C12/24°C
20°C13/27°C
21°C16/27°C
20°C13/29°C
20°C12/28°C
23°C14/32°C
26°C17/37°C
--°C/°C
36AQI
29AQI
30AQI
30AQI
2025 Days Vs Air Quality
Valenciennes Wallon, Valenciennes, Hauts De France, France
68%
153
29%
64
3%
7
Total number of days with different AQI categories in last 225 days in 2025 (140 days remaining)
Under WHO’s Safe Air Quality Limits: 68%
Health Risk Level:
Moderate
In 2025, 68% of 225 days were within WHO’s safe air quality limits, and 32% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Valenciennes Wallon, Valenciennes, Hauts De France, France
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
40AQI
32AQI
37AQI
50AQI
32AQI
27AQI
26AQI
28AQI
33AQI
54AQI
68AQI
73AQI
77AQI
84AQI
105AQI
75AQI
75AQI
66AQI
82AQI
75AQI
89AQI
78AQI
54AQI
31AQI
34AQI
26AQI
25AQI
26AQI
27AQI
26AQI
44AQI
61AQI
75AQI
86AQI
61AQI
61AQI
68AQI
52AQI
53AQI
28AQI
109AQI
104AQI
104AQI
111AQI
102AQI
78AQI
72AQI
74AQI
77AQI
82AQI
66AQI
55AQI
40AQI
39AQI
27AQI
41AQI
33AQI
26AQI
41AQI
53AQI
69AQI
85AQI
94AQI
91AQI
74AQI
57AQI
61AQI
70AQI
91AQI
72AQI
42AQI
46AQI
40AQI
44AQI
57AQI
52AQI
46AQI
50AQI
53AQI
60AQI
34AQI
26AQI
70AQI
128AQI
90AQI
76AQI
66AQI
41AQI
32AQI
44AQI
36AQI
33AQI
44AQI
50AQI
54AQI
31AQI
31AQI
47AQI
56AQI
56AQI
54AQI
49AQI
40AQI
36AQI
39AQI
22AQI
41AQI
39AQI
31AQI
51AQI
30AQI
45AQI
22AQI
51AQI
67AQI
63AQI
62AQI
55AQI
57AQI
51AQI
46AQI
51AQI
89AQI
35AQI
27AQI
28AQI
39AQI
40AQI
32AQI
23AQI
26AQI
28AQI
33AQI
48AQI
52AQI
37AQI
41AQI
44AQI
50AQI
35AQI
48AQI
36AQI
23AQI
27AQI
18AQI
29AQI
24AQI
22AQI
30AQI
24AQI
31AQI
29AQI
28AQI
29AQI
21AQI
21AQI
19AQI
17AQI
19AQI
38AQI
51AQI
38AQI
42AQI
51AQI
44AQI
34AQI
39AQI
34AQI
40AQI
44AQI
40AQI
34AQI
36AQI
23AQI
27AQI
21AQI
25AQI
26AQI
20AQI
24AQI
32AQI
41AQI
49AQI
38AQI
30AQI
26AQI
22AQI
28AQI
24AQI
27AQI
32AQI
26AQI
27AQI
37AQI
46AQI
29AQI
27AQI
31AQI
37AQI
36AQI
26AQI
21AQI
22AQI
20AQI
38AQI
37AQI
42AQI
26AQI
27AQI
32AQI
24AQI
27AQI
22AQI
20AQI
21AQI
23AQI
22AQI
24AQI
26AQI
28AQI
34AQI
29AQI
48AQI
46AQI
52AQI
65AQI
62AQI
45AQI
36AQI
32AQI
31AQI
29AQI
No. of days
202545AQI
Highest AQI recorded in
February65AQI
Lowest AQI recorded in
August29AQI
202440AQI
Highest AQI recorded in
November52AQI
Lowest AQI recorded in
July28AQI
202354AQI
Highest AQI recorded in
May142AQI
Lowest AQI recorded in
August35AQI
202251AQI
Highest AQI recorded in
March74AQI
Lowest AQI recorded in
February36AQI
202144AQI
Highest AQI recorded in
April60AQI
Lowest AQI recorded in
January29AQI
202030AQI
Highest AQI recorded in
November43AQI
Lowest AQI recorded in
July19AQI
Most & Least Polluted Years Over the Last 6 Years
Valenciennes Wallon's annual 2025 AQI (45) shows an average percentage change of 6.8% (worsened AQI) compared to previous years: 2020 (30), 2021 (44), 2022 (51), 2023 (54), 2024 (40).