Hoogstraten, Flanders, Belgium 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
Hoogstraten, Flanders, Belgium
AQI Trends: Highest and Lowest
Same Day Analysis (20th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 27 of Good air quality, showing improvement over 2024, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 20th Sep - 21st Sep 2025
Hoogstraten, Flanders, Belgium
7 AM20th Sep 2025
8 PM
6 AM21st Sep 2025
36AQI
28AQI
32AQI
23AQI
In the last 24 hours,
Hoogstraten's AQI reached its highest point of 36 at 3 PM during the Day, while the lowest point, 23, was recorded at 6 AM during the Night between 20th Sep and 21st Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Hoogstraten, Flanders, Belgium
15°C11/19°C
15°C10/20°C
16°C9/24°C
18°C10/26°C
21°C12/31°C
20°C14/27°C
18°C13/24°C
16°C11/23°C
18°C12/24°C
19°C17/24°C
19°C14/25°C
17°C12/24°C
19°C16/24°C
18°C13/24°C
16°C12/22°C
17°C11/24°C
22°C13/31°C
19°C15/24°C
14°C10/18°C
16°C11/23°C
16°C13/19°C
14°C11/19°C
14°C11/21°C
15°C10/20°C
18°C15/21°C
15°C13/17°C
15°C12/20°C
19°C16/24°C
20°C14/28°C
20°C17/25°C
--°C/°C
25AQI
20AQI
22AQI
20AQI
2025 Days Vs Air Quality
Hoogstraten, Flanders, Belgium
79%
207
21%
54
0.7%
2
Total number of days with different AQI categories in last 264 days in 2025 (101 days remaining)
Under WHO’s Safe Air Quality Limits: 79%
Health Risk Level:
Low
In 2025, 79% of 264 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
Hoogstraten, Flanders, Belgium
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
46AQI
28AQI
26AQI
48AQI
34AQI
23AQI
23AQI
29AQI
25AQI
33AQI
74AQI
46AQI
61AQI
75AQI
60AQI
52AQI
59AQI
66AQI
82AQI
94AQI
85AQI
72AQI
57AQI
33AQI
33AQI
34AQI
28AQI
27AQI
21AQI
22AQI
52AQI
63AQI
66AQI
69AQI
70AQI
65AQI
53AQI
47AQI
68AQI
98AQI
109AQI
81AQI
73AQI
100AQI
102AQI
91AQI
58AQI
62AQI
72AQI
67AQI
70AQI
47AQI
39AQI
45AQI
26AQI
41AQI
35AQI
29AQI
31AQI
34AQI
56AQI
74AQI
98AQI
94AQI
75AQI
57AQI
63AQI
84AQI
100AQI
74AQI
42AQI
39AQI
35AQI
34AQI
37AQI
35AQI
34AQI
47AQI
56AQI
61AQI
42AQI
30AQI
73AQI
90AQI
51AQI
57AQI
65AQI
41AQI
36AQI
33AQI
32AQI
34AQI
46AQI
52AQI
35AQI
20AQI
29AQI
33AQI
35AQI
35AQI
55AQI
57AQI
45AQI
31AQI
42AQI
28AQI
36AQI
41AQI
38AQI
27AQI
31AQI
47AQI
43AQI
44AQI
34AQI
46AQI
34AQI
40AQI
44AQI
39AQI
47AQI
59AQI
40AQI
23AQI
23AQI
22AQI
26AQI
25AQI
26AQI
24AQI
25AQI
23AQI
25AQI
34AQI
32AQI
31AQI
29AQI
32AQI
30AQI
25AQI
37AQI
26AQI
21AQI
28AQI
20AQI
25AQI
20AQI
17AQI
29AQI
24AQI
36AQI
31AQI
28AQI
26AQI
23AQI
19AQI
17AQI
16AQI
17AQI
37AQI
48AQI
42AQI
40AQI
54AQI
49AQI
36AQI
37AQI
40AQI
40AQI
39AQI
33AQI
35AQI
34AQI
26AQI
27AQI
25AQI
29AQI
30AQI
21AQI
21AQI
25AQI
31AQI
36AQI
26AQI
24AQI
24AQI
19AQI
18AQI
20AQI
25AQI
30AQI
26AQI
24AQI
26AQI
33AQI
26AQI
24AQI
25AQI
28AQI
38AQI
36AQI
21AQI
20AQI
19AQI
25AQI
25AQI
33AQI
26AQI
24AQI
25AQI
22AQI
24AQI
21AQI
19AQI
22AQI
23AQI
22AQI
26AQI
29AQI
30AQI
42AQI
38AQI
41AQI
49AQI
55AQI
58AQI
42AQI
45AQI
31AQI
23AQI
24AQI
27AQI
24AQI
21AQI
20AQI
19AQI
21AQI
29AQI
29AQI
31AQI
23AQI
20AQI
18AQI
19AQI
18AQI
17AQI
23AQI
20AQI
21AQI
22AQI
23AQI
22AQI
23AQI
20AQI
19AQI
17AQI
19AQI
20AQI
23AQI
21AQI
18AQI
20AQI
27AQI
47AQI
63AQI
56AQI
38AQI
29AQI
32AQI
26AQI
30AQI
21AQI
No. of days
202538AQI
Highest AQI recorded in
February63AQI
Lowest AQI recorded in
September21AQI
202439AQI
Highest AQI recorded in
May46AQI
Lowest AQI recorded in
July33AQI
202336AQI
Highest AQI recorded in
February53AQI
Lowest AQI recorded in
November25AQI
202240AQI
Highest AQI recorded in
January54AQI
Lowest AQI recorded in
July30AQI
202138AQI
Highest AQI recorded in
March50AQI
Lowest AQI recorded in
November22AQI
202037AQI
Highest AQI recorded in
November50AQI
Lowest AQI recorded in
July25AQI
Most & Least Polluted Years Over the Last 6 Years
Hoogstraten's annual 2025 AQI (38) shows an average percentage change of 1.1% (worsened AQI) compared to previous years: 2020 (37), 2021 (38), 2022 (40), 2023 (36), 2024 (39).