Herentals, 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
Herentals, Flanders, Belgium
AQI Trends: Highest and Lowest
Same Day Analysis (24th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 26 of Good air quality, showing improvement over 2024 and 2022 on the same day.
Day & Night AQI Trend: 23rd Sep - 24th Sep 2026
Herentals, Flanders, Belgium
7 AM23rd Sep 2026
8 PM
6 AM24th Sep 2026
36AQI
23AQI
42AQI
25AQI
In the last 24 hours,
Herentals's AQI reached its highest point of 42 at 3 AM during the Night, while the lowest point, 23, was recorded at 7 PM during the Day between 23rd Sep and 24th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Herentals, Flanders, Belgium
21°C15/28°C
22°C18/32°C
18°C17/21°C
18°C14/21°C
19°C17/23°C
17°C14/21°C
17°C13/22°C
17°C13/23°C
18°C16/21°C
20°C18/25°C
17°C13/22°C
18°C11/25°C
23°C18/29°C
19°C15/21°C
14°C11/18°C
15°C10/20°C
16°C13/21°C
18°C13/23°C
18°C16/21°C
19°C16/22°C
20°C16/28°C
16°C13/19°C
15°C11/20°C
15°C10/20°C
18°C14/21°C
16°C12/19°C
15°C11/20°C
16°C12/21°C
16°C12/21°C
15°C11/19°C
27AQI
19AQI
25AQI
22AQI
2026 Days Vs Air Quality
Herentals, Flanders, Belgium
84%
222
14%
38
2%
4
Total number of days with different AQI categories in last 268 days in 2026 (97 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2026, 84% of 268 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
Herentals, Flanders, Belgium
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
33AQI (US)
17AQI (US)
24AQI (US)
22AQI (US)
39AQI (US)
34AQI (US)
35AQI (US)
44AQI (US)
16AQI (US)
56AQI (US)
58AQI (US)
23AQI (US)
19AQI (US)
31AQI (US)
25AQI (US)
13AQI (US)
26AQI (US)
56AQI (US)
58AQI (US)
60AQI (US)
33AQI (US)
66AQI (US)
58AQI (US)
59AQI (US)
91AQI (US)
116AQI (US)
63AQI (US)
50AQI (US)
68AQI (US)
57AQI (US)
28AQI (US)
25AQI (US)
54AQI (US)
71AQI (US)
14AQI (US)
60AQI (US)
42AQI (US)
23AQI (US)
50AQI (US)
61AQI (US)
47AQI (US)
26AQI (US)
30AQI (US)
44AQI (US)
56AQI (US)
48AQI (US)
22AQI (US)
22AQI (US)
39AQI (US)
32AQI (US)
61AQI (US)
30AQI (US)
14AQI (US)
33AQI (US)
43AQI (US)
20AQI (US)
57AQI (US)
46AQI (US)
14AQI (US)
25AQI (US)
35AQI (US)
57AQI (US)
85AQI (US)
66AQI (US)
64AQI (US)
120AQI (US)
118AQI (US)
96AQI (US)
57AQI (US)
38AQI (US)
27AQI (US)
24AQI (US)
36AQI (US)
42AQI (US)
17AQI (US)
21AQI (US)
36AQI (US)
75AQI (US)
88AQI (US)
49AQI (US)
70AQI (US)
96AQI (US)
102AQI (US)
24AQI (US)
10AQI (US)
33AQI (US)
32AQI (US)
20AQI (US)
20AQI (US)
30AQI (US)
39AQI (US)
53AQI (US)
34AQI (US)
27AQI (US)
24AQI (US)
22AQI (US)
29AQI (US)
22AQI (US)
41AQI (US)
22AQI (US)
33AQI (US)
21AQI (US)
40AQI (US)
67AQI (US)
47AQI (US)
29AQI (US)
52AQI (US)
26AQI (US)
22AQI (US)
57AQI (US)
37AQI (US)
35AQI (US)
48AQI (US)
35AQI (US)
22AQI (US)
28AQI (US)
17AQI (US)
20AQI (US)
22AQI (US)
31AQI (US)
43AQI (US)
49AQI (US)
60AQI (US)
49AQI (US)
27AQI (US)
49AQI (US)
58AQI (US)
26AQI (US)
18AQI (US)
26AQI (US)
16AQI (US)
28AQI (US)
34AQI (US)
34AQI (US)
33AQI (US)
28AQI (US)
31AQI (US)
26AQI (US)
35AQI (US)
31AQI (US)
44AQI (US)
35AQI (US)
24AQI (US)
34AQI (US)
24AQI (US)
40AQI (US)
52AQI (US)
33AQI (US)
23AQI (US)
19AQI (US)
22AQI (US)
17AQI (US)
20AQI (US)
22AQI (US)
22AQI (US)
23AQI (US)
20AQI (US)
18AQI (US)
21AQI (US)
17AQI (US)
27AQI (US)
20AQI (US)
29AQI (US)
39AQI (US)
33AQI (US)
24AQI (US)
30AQI (US)
32AQI (US)
28AQI (US)
30AQI (US)
31AQI (US)
40AQI (US)
57AQI (US)
56AQI (US)
50AQI (US)
26AQI (US)
16AQI (US)
23AQI (US)
24AQI (US)
22AQI (US)
22AQI (US)
19AQI (US)
13AQI (US)
18AQI (US)
17AQI (US)
26AQI (US)
26AQI (US)
34AQI (US)
32AQI (US)
28AQI (US)
27AQI (US)
37AQI (US)
26AQI (US)
36AQI (US)
45AQI (US)
44AQI (US)
24AQI (US)
26AQI (US)
28AQI (US)
24AQI (US)
24AQI (US)
26AQI (US)
33AQI (US)
28AQI (US)
23AQI (US)
24AQI (US)
30AQI (US)
33AQI (US)
45AQI (US)
14AQI (US)
25AQI (US)
24AQI (US)
34AQI (US)
26AQI (US)
24AQI (US)
26AQI (US)
29AQI (US)
27AQI (US)
28AQI (US)
22AQI (US)
23AQI (US)
29AQI (US)
36AQI (US)
37AQI (US)
26AQI (US)
33AQI (US)
29AQI (US)
28AQI (US)
24AQI (US)
18AQI (US)
18AQI (US)
27AQI (US)
23AQI (US)
21AQI (US)
29AQI (US)
35AQI (US)
30AQI (US)
8AQI (US)
17AQI (US)
23AQI (US)
28AQI (US)
26AQI (US)
19AQI (US)
14AQI (US)
19AQI (US)
21AQI (US)
24AQI (US)
15AQI (US)
14AQI (US)
23AQI (US)
29AQI (US)
30AQI (US)
23AQI (US)
32AQI (US)
25AQI (US)
23AQI (US)
19AQI (US)
23AQI (US)
27AQI (US)
23AQI (US)
27AQI (US)
29AQI (US)
33AQI (US)
26AQI (US)
44AQI (US)
39AQI (US)
52AQI (US)
34AQI (US)
35AQI (US)
28AQI (US)
28AQI (US)
26AQI (US)
24AQI (US)
No. of days
202635AQI (US)
Highest AQI (US) recorded in
March52AQI (US)
Lowest AQI (US) recorded in
September24AQI (US)
202539AQI (US)
Highest AQI (US) recorded in
February66AQI (US)
Lowest AQI (US) recorded in
September22AQI (US)
202437AQI (US)
Highest AQI (US) recorded in
January46AQI (US)
Lowest AQI (US) recorded in
April24AQI (US)
202336AQI (US)
Highest AQI (US) recorded in
May45AQI (US)
Lowest AQI (US) recorded in
August26AQI (US)
202240AQI (US)
Highest AQI (US) recorded in
March68AQI (US)
Lowest AQI (US) recorded in
November24AQI (US)
202145AQI (US)
Highest AQI (US) recorded in
March55AQI (US)
Lowest AQI (US) recorded in
May34AQI (US)
202041AQI (US)
Highest AQI (US) recorded in
November57AQI (US)
Lowest AQI (US) recorded in
July26AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Herentals's annual 2026 AQI (US) (35) shows an average percentage change of -11.2% (improved AQI (US)) compared to previous years: 2020 (41), 2021 (45), 2022 (40), 2023 (36), 2024 (37), 2025 (39).