Couch, Liege, Wallonia, Belgium 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
Couch, Liege, Wallonia, Belgium
AQI Trends: Highest and Lowest
Same Day Analysis (12th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 44 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 12th Aug - 13th Aug 2025
Couch, Liege, Wallonia, Belgium
6 AM12th Aug 2025
9 PM
5 AM13th Aug 2025
52AQI
43AQI
61AQI
45AQI
In the last 24 hours,
Couch's AQI reached its highest point of 61 at 4 AM during the Night, while the lowest point, 43, was recorded at 3 PM during the Day between 12th Aug and 13th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Couch, Liege, Wallonia, Belgium
19°C14/25°C
19°C14/25°C
17°C12/23°C
18°C10/26°C
21°C13/28°C
24°C15/33°C
20°C14/28°C
18°C13/23°C
17°C12/22°C
18°C11/24°C
18°C13/25°C
19°C12/27°C
20°C13/26°C
17°C14/20°C
15°C10/20°C
16°C10/23°C
16°C11/23°C
18°C12/23°C
17°C12/21°C
14°C11/18°C
17°C10/24°C
21°C16/27°C
18°C11/22°C
16°C8/23°C
19°C12/26°C
20°C15/26°C
20°C13/29°C
19°C11/27°C
21°C12/30°C
24°C14/35°C
--°C/°C
31AQI
24AQI
26AQI
26AQI
2025 Days Vs Air Quality
Couch, Liege, Wallonia, Belgium
79%
177
20%
45
0.8%
2
Total number of days with different AQI categories in last 225 days in 2025 (140 days remaining)
Under WHO’s Safe Air Quality Limits: 79%
Health Risk Level:
Low
In 2025, 79% of 225 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
Couch, Liege, Wallonia, Belgium
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
23AQI
34AQI
29AQI
32AQI
23AQI
26AQI
26AQI
22AQI
30AQI
37AQI
56AQI
74AQI
66AQI
61AQI
64AQI
53AQI
70AQI
58AQI
75AQI
77AQI
91AQI
48AQI
42AQI
23AQI
27AQI
26AQI
28AQI
29AQI
23AQI
23AQI
40AQI
49AQI
61AQI
82AQI
58AQI
48AQI
65AQI
41AQI
56AQI
60AQI
105AQI
40AQI
58AQI
92AQI
96AQI
66AQI
54AQI
63AQI
73AQI
74AQI
59AQI
31AQI
28AQI
28AQI
25AQI
28AQI
36AQI
25AQI
30AQI
57AQI
65AQI
54AQI
68AQI
62AQI
53AQI
39AQI
57AQI
75AQI
84AQI
93AQI
46AQI
52AQI
36AQI
50AQI
57AQI
43AQI
28AQI
30AQI
37AQI
48AQI
22AQI
15AQI
43AQI
116AQI
46AQI
64AQI
64AQI
31AQI
48AQI
24AQI
32AQI
27AQI
39AQI
38AQI
45AQI
15AQI
19AQI
18AQI
51AQI
45AQI
57AQI
41AQI
34AQI
34AQI
22AQI
18AQI
20AQI
27AQI
19AQI
39AQI
14AQI
25AQI
21AQI
38AQI
59AQI
56AQI
32AQI
35AQI
38AQI
35AQI
31AQI
35AQI
78AQI
20AQI
22AQI
17AQI
38AQI
23AQI
16AQI
14AQI
16AQI
17AQI
21AQI
32AQI
39AQI
25AQI
38AQI
41AQI
37AQI
24AQI
37AQI
30AQI
19AQI
19AQI
16AQI
22AQI
18AQI
15AQI
22AQI
15AQI
26AQI
21AQI
28AQI
27AQI
22AQI
16AQI
13AQI
14AQI
15AQI
24AQI
44AQI
31AQI
36AQI
41AQI
39AQI
32AQI
27AQI
29AQI
35AQI
35AQI
29AQI
25AQI
24AQI
19AQI
19AQI
17AQI
18AQI
18AQI
16AQI
17AQI
19AQI
22AQI
29AQI
27AQI
23AQI
20AQI
18AQI
18AQI
18AQI
21AQI
24AQI
22AQI
23AQI
25AQI
25AQI
23AQI
20AQI
22AQI
21AQI
22AQI
19AQI
15AQI
14AQI
14AQI
33AQI
36AQI
37AQI
29AQI
22AQI
25AQI
28AQI
23AQI
22AQI
20AQI
20AQI
22AQI
22AQI
24AQI
22AQI
22AQI
38AQI
33AQI
42AQI
44AQI
43AQI
55AQI
52AQI
33AQI
27AQI
25AQI
23AQI
28AQI
No. of days
202536AQI
Highest AQI recorded in
February55AQI
Lowest AQI recorded in
July23AQI
202428AQI
Highest AQI recorded in
January39AQI
Lowest AQI recorded in
July14AQI
202332AQI
Highest AQI recorded in
June45AQI
Lowest AQI recorded in
November19AQI
202232AQI
Highest AQI recorded in
March62AQI
Lowest AQI recorded in
November9AQI
202137AQI
Highest AQI recorded in
April50AQI
Lowest AQI recorded in
October25AQI
202036AQI
Highest AQI recorded in
March56AQI
Lowest AQI recorded in
July27AQI
Most & Least Polluted Years Over the Last 6 Years
Couch's annual 2025 AQI (36) shows an average percentage change of 11.4% (worsened AQI) compared to previous years: 2020 (36), 2021 (37), 2022 (32), 2023 (32), 2024 (28).