Eupen, Wallonia, Belgium Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Eupen, Wallonia, Belgium
AQI Trends: Highest and Lowest
Same Day Analysis (1st October):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 27 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 1st Oct - 2nd Oct 2026
Eupen, Wallonia, Belgium
7 AM1st Oct 2026
7 PM
6 AM2nd Oct 2026
44AQI
21AQI
50AQI
21AQI
In the last 24 hours,
Eupen's AQI reached its highest point of 50 at 6 AM during the Night, while the lowest point, 21, was recorded at 4 AM during the Night between 1st Oct and 2nd Oct 2026.
Day & Night AQI Trend : Sep - Oct 2026
Eupen, Wallonia, Belgium
16°C14/18°C
18°C16/21°C
15°C11/20°C
16°C10/23°C
22°C18/27°C
19°C13/22°C
13°C9/16°C
13°C9/19°C
14°C11/20°C
16°C12/21°C
15°C14/16°C
17°C15/21°C
21°C15/26°C
14°C11/18°C
13°C10/18°C
13°C9/18°C
16°C12/20°C
14°C9/15°C
12°C8/17°C
12°C9/16°C
14°C10/20°C
13°C10/16°C
14°C9/21°C
16°C13/22°C
18°C13/24°C
18°C15/24°C
20°C17/25°C
20°C17/25°C
17°C13/18°C
13°C10/18°C
29AQI
24AQI
29AQI
24AQI
2026 Days Vs Air Quality
Eupen, Wallonia, Belgium
96%
259
4%
11
0.3%
1
Total number of days with different AQI categories in last 275 days in 2026 (90 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2026, 96% of 275 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
Eupen, Wallonia, Belgium
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
18AQI (US)
10AQI (US)
13AQI (US)
24AQI (US)
19AQI (US)
41AQI (US)
21AQI (US)
25AQI (US)
10AQI (US)
44AQI (US)
55AQI (US)
14AQI (US)
9AQI (US)
13AQI (US)
12AQI (US)
12AQI (US)
16AQI (US)
36AQI (US)
39AQI (US)
37AQI (US)
26AQI (US)
20AQI (US)
45AQI (US)
44AQI (US)
69AQI (US)
103AQI (US)
51AQI (US)
25AQI (US)
49AQI (US)
25AQI (US)
17AQI (US)
20AQI (US)
32AQI (US)
40AQI (US)
15AQI (US)
44AQI (US)
30AQI (US)
24AQI (US)
36AQI (US)
36AQI (US)
26AQI (US)
16AQI (US)
19AQI (US)
28AQI (US)
52AQI (US)
25AQI (US)
11AQI (US)
24AQI (US)
36AQI (US)
23AQI (US)
27AQI (US)
24AQI (US)
19AQI (US)
22AQI (US)
18AQI (US)
24AQI (US)
27AQI (US)
32AQI (US)
20AQI (US)
25AQI (US)
31AQI (US)
33AQI (US)
49AQI (US)
26AQI (US)
35AQI (US)
68AQI (US)
59AQI (US)
49AQI (US)
25AQI (US)
10AQI (US)
26AQI (US)
13AQI (US)
16AQI (US)
19AQI (US)
22AQI (US)
22AQI (US)
24AQI (US)
54AQI (US)
67AQI (US)
51AQI (US)
47AQI (US)
56AQI (US)
67AQI (US)
21AQI (US)
10AQI (US)
14AQI (US)
20AQI (US)
14AQI (US)
14AQI (US)
27AQI (US)
26AQI (US)
21AQI (US)
19AQI (US)
17AQI (US)
22AQI (US)
21AQI (US)
23AQI (US)
19AQI (US)
19AQI (US)
18AQI (US)
27AQI (US)
26AQI (US)
22AQI (US)
44AQI (US)
15AQI (US)
10AQI (US)
20AQI (US)
18AQI (US)
13AQI (US)
15AQI (US)
18AQI (US)
19AQI (US)
24AQI (US)
15AQI (US)
20AQI (US)
22AQI (US)
16AQI (US)
17AQI (US)
22AQI (US)
19AQI (US)
19AQI (US)
24AQI (US)
21AQI (US)
14AQI (US)
17AQI (US)
19AQI (US)
32AQI (US)
16AQI (US)
14AQI (US)
15AQI (US)
13AQI (US)
20AQI (US)
35AQI (US)
36AQI (US)
34AQI (US)
31AQI (US)
31AQI (US)
29AQI (US)
34AQI (US)
34AQI (US)
49AQI (US)
37AQI (US)
24AQI (US)
20AQI (US)
15AQI (US)
20AQI (US)
19AQI (US)
14AQI (US)
14AQI (US)
19AQI (US)
12AQI (US)
8AQI (US)
12AQI (US)
16AQI (US)
14AQI (US)
15AQI (US)
8AQI (US)
16AQI (US)
19AQI (US)
15AQI (US)
16AQI (US)
14AQI (US)
18AQI (US)
23AQI (US)
19AQI (US)
17AQI (US)
13AQI (US)
11AQI (US)
17AQI (US)
20AQI (US)
22AQI (US)
27AQI (US)
32AQI (US)
43AQI (US)
34AQI (US)
15AQI (US)
11AQI (US)
12AQI (US)
16AQI (US)
8AQI (US)
11AQI (US)
13AQI (US)
14AQI (US)
10AQI (US)
23AQI (US)
12AQI (US)
15AQI (US)
16AQI (US)
16AQI (US)
19AQI (US)
24AQI (US)
20AQI (US)
16AQI (US)
19AQI (US)
25AQI (US)
44AQI (US)
26AQI (US)
25AQI (US)
25AQI (US)
27AQI (US)
22AQI (US)
26AQI (US)
26AQI (US)
27AQI (US)
27AQI (US)
22AQI (US)
32AQI (US)
29AQI (US)
38AQI (US)
26AQI (US)
27AQI (US)
29AQI (US)
30AQI (US)
24AQI (US)
23AQI (US)
27AQI (US)
30AQI (US)
26AQI (US)
29AQI (US)
23AQI (US)
33AQI (US)
36AQI (US)
29AQI (US)
34AQI (US)
40AQI (US)
23AQI (US)
37AQI (US)
24AQI (US)
24AQI (US)
21AQI (US)
23AQI (US)
23AQI (US)
46AQI (US)
31AQI (US)
29AQI (US)
29AQI (US)
22AQI (US)
12AQI (US)
10AQI (US)
21AQI (US)
27AQI (US)
30AQI (US)
24AQI (US)
22AQI (US)
22AQI (US)
22AQI (US)
21AQI (US)
25AQI (US)
15AQI (US)
22AQI (US)
27AQI (US)
26AQI (US)
24AQI (US)
27AQI (US)
38AQI (US)
28AQI (US)
21AQI (US)
23AQI (US)
26AQI (US)
23AQI (US)
25AQI (US)
25AQI (US)
25AQI (US)
25AQI (US)
26AQI (US)
35AQI (US)
38AQI (US)
30AQI (US)
43AQI (US)
25AQI (US)
27AQI (US)
30AQI (US)
27AQI (US)
33AQI (US)
20AQI (US)
24AQI (US)
18AQI (US)
22AQI (US)
27AQI (US)
26AQI (US)
27AQI (US)
No. of days
202625AQI (US)
Highest AQI (US) recorded in
March33AQI (US)
Lowest AQI (US) recorded in
June18AQI (US)
202531AQI (US)
Highest AQI (US) recorded in
February48AQI (US)
Lowest AQI (US) recorded in
September18AQI (US)
202423AQI (US)
Highest AQI (US) recorded in
January37AQI (US)
Lowest AQI (US) recorded in
July12AQI (US)
202320AQI (US)
Highest AQI (US) recorded in
May35AQI (US)
Lowest AQI (US) recorded in
October11AQI (US)
202224AQI (US)
Highest AQI (US) recorded in
January52AQI (US)
Lowest AQI (US) recorded in
November6AQI (US)
202129AQI (US)
Highest AQI (US) recorded in
April40AQI (US)
Lowest AQI (US) recorded in
July13AQI (US)
202020AQI (US)
Highest AQI (US) recorded in
March40AQI (US)
Lowest AQI (US) recorded in
July10AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Eupen's annual 2026 AQI (US) (25) shows an average percentage change of 4.9% (worsened AQI (US)) compared to previous years: 2020 (20), 2021 (29), 2022 (24), 2023 (20), 2024 (23), 2025 (31).