Denain, 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
Denain, Valenciennes, Hauts De France, France
AQI Trends: Highest and Lowest
Same Day Analysis (11th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 48 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 11th Aug - 12th Aug 2025
Denain, Valenciennes, Hauts De France, France
6 AM11th Aug 2025
9 PM
5 AM12th Aug 2025
AQI
AQI
61AQI
43AQI
In the last 24 hours,
Denain's AQI reached its highest point of 61 at 6 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 11th Aug and 12th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Denain, Valenciennes, Hauts De France, France
21°C13/29°C
21°C16/27°C
19°C12/24°C
20°C14/26°C
20°C13/27°C
24°C16/31°C
25°C18/32°C
19°C16/24°C
17°C14/22°C
18°C13/23°C
18°C12/24°C
19°C14/24°C
20°C14/27°C
20°C15/26°C
19°C14/24°C
18°C12/23°C
18°C14/23°C
19°C14/24°C
19°C15/26°C
18°C14/23°C
15°C12/20°C
18°C11/24°C
22°C17/27°C
19°C14/23°C
18°C12/25°C
21°C13/28°C
21°C16/27°C
20°C14/28°C
20°C13/28°C
--°C/°C
--°C/°C
36AQI
29AQI
30AQI
29AQI
2025 Days Vs Air Quality
Denain, Valenciennes, Hauts De France, France
68%
152
30%
66
2%
5
Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)
Under WHO’s Safe Air Quality Limits: 68%
Health Risk Level:
Moderate
In 2025, 68% of 223 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
Denain, Valenciennes, Hauts De France, France
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
41AQI
31AQI
37AQI
49AQI
31AQI
26AQI
26AQI
29AQI
34AQI
56AQI
63AQI
70AQI
73AQI
86AQI
109AQI
77AQI
76AQI
70AQI
84AQI
78AQI
91AQI
80AQI
53AQI
31AQI
34AQI
29AQI
31AQI
30AQI
30AQI
30AQI
44AQI
61AQI
75AQI
90AQI
61AQI
64AQI
69AQI
53AQI
53AQI
32AQI
110AQI
89AQI
101AQI
99AQI
103AQI
91AQI
75AQI
76AQI
78AQI
83AQI
68AQI
54AQI
42AQI
42AQI
29AQI
40AQI
37AQI
31AQI
46AQI
54AQI
72AQI
86AQI
96AQI
93AQI
73AQI
57AQI
63AQI
70AQI
90AQI
76AQI
45AQI
48AQI
44AQI
46AQI
59AQI
56AQI
44AQI
50AQI
54AQI
59AQI
35AQI
27AQI
71AQI
126AQI
96AQI
71AQI
62AQI
41AQI
32AQI
44AQI
37AQI
33AQI
44AQI
50AQI
54AQI
32AQI
31AQI
46AQI
56AQI
56AQI
54AQI
49AQI
43AQI
34AQI
41AQI
25AQI
41AQI
39AQI
30AQI
50AQI
31AQI
46AQI
21AQI
50AQI
67AQI
63AQI
63AQI
62AQI
61AQI
55AQI
48AQI
54AQI
92AQI
36AQI
27AQI
28AQI
40AQI
41AQI
33AQI
27AQI
29AQI
30AQI
36AQI
52AQI
53AQI
37AQI
41AQI
45AQI
54AQI
40AQI
49AQI
39AQI
24AQI
29AQI
18AQI
30AQI
25AQI
21AQI
30AQI
26AQI
35AQI
29AQI
28AQI
29AQI
24AQI
20AQI
20AQI
18AQI
22AQI
40AQI
54AQI
40AQI
42AQI
50AQI
42AQI
31AQI
36AQI
33AQI
40AQI
42AQI
39AQI
33AQI
34AQI
23AQI
26AQI
22AQI
26AQI
27AQI
18AQI
23AQI
33AQI
44AQI
53AQI
39AQI
30AQI
26AQI
20AQI
28AQI
24AQI
27AQI
34AQI
28AQI
28AQI
37AQI
47AQI
31AQI
29AQI
36AQI
43AQI
38AQI
27AQI
26AQI
21AQI
19AQI
38AQI
39AQI
44AQI
26AQI
31AQI
33AQI
24AQI
27AQI
22AQI
21AQI
22AQI
23AQI
22AQI
24AQI
28AQI
28AQI
33AQI
31AQI
48AQI
53AQI
66AQI
63AQI
45AQI
38AQI
31AQI
32AQI
27AQI
No. of days
202546AQI
Highest AQI recorded in
February66AQI
Lowest AQI recorded in
August27AQI
202441AQI
Highest AQI recorded in
January54AQI
Lowest AQI recorded in
July30AQI
202353AQI
Highest AQI recorded in
May143AQI
Lowest AQI recorded in
August35AQI
202251AQI
Highest AQI recorded in
March74AQI
Lowest AQI recorded in
February35AQI
202141AQI
Highest AQI recorded in
November54AQI
Lowest AQI recorded in
January24AQI
202025AQI
Highest AQI recorded in
November32AQI
Lowest AQI recorded in
July19AQI
Most & Least Polluted Years Over the Last 6 Years
Denain's annual 2025 AQI (46) shows an average percentage change of 17.07% (worsened AQI) compared to previous years: 2020 (25), 2021 (41), 2022 (51), 2023 (53), 2024 (41).