Tessenderlo, 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
Tessenderlo, Flanders, Belgium
AQI Trends: Highest and Lowest
Same Day Analysis (29th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 51 of Moderate air quality on the same day.
Day & Night AQI Trend: 28th Sep - 29th Sep 2026
Tessenderlo, Flanders, Belgium
7 AM28th Sep 2026
7 PM
6 AM29th Sep 2026
51AQI
33AQI
54AQI
33AQI
In the last 24 hours,
Tessenderlo's AQI reached its highest point of 54 at 6 AM during the Night, while the lowest point, 33, was recorded at 10 PM during the Night between 28th Sep and 29th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Tessenderlo, Flanders, Belgium
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
16°C10/23°C
17°C13/23°C
18°C13/25°C
18°C15/21°C
21°C16/28°C
29AQI
22AQI
27AQI
22AQI
2026 Days Vs Air Quality
Tessenderlo, Flanders, Belgium
84%
227
14%
37
2%
5
Total number of days with different AQI categories in last 272 days in 2026 (93 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2026, 84% of 272 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
Tessenderlo, Flanders, Belgium
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
36AQI (US)
14AQI (US)
25AQI (US)
23AQI (US)
37AQI (US)
38AQI (US)
37AQI (US)
43AQI (US)
17AQI (US)
54AQI (US)
57AQI (US)
22AQI (US)
16AQI (US)
35AQI (US)
25AQI (US)
13AQI (US)
26AQI (US)
54AQI (US)
58AQI (US)
58AQI (US)
36AQI (US)
65AQI (US)
55AQI (US)
58AQI (US)
101AQI (US)
121AQI (US)
69AQI (US)
43AQI (US)
67AQI (US)
53AQI (US)
25AQI (US)
31AQI (US)
38AQI (US)
67AQI (US)
15AQI (US)
59AQI (US)
43AQI (US)
22AQI (US)
50AQI (US)
61AQI (US)
49AQI (US)
28AQI (US)
31AQI (US)
44AQI (US)
57AQI (US)
49AQI (US)
23AQI (US)
25AQI (US)
39AQI (US)
33AQI (US)
62AQI (US)
31AQI (US)
14AQI (US)
25AQI (US)
37AQI (US)
19AQI (US)
54AQI (US)
46AQI (US)
14AQI (US)
21AQI (US)
25AQI (US)
57AQI (US)
86AQI (US)
68AQI (US)
62AQI (US)
119AQI (US)
118AQI (US)
95AQI (US)
55AQI (US)
38AQI (US)
24AQI (US)
19AQI (US)
30AQI (US)
43AQI (US)
18AQI (US)
21AQI (US)
36AQI (US)
76AQI (US)
90AQI (US)
50AQI (US)
70AQI (US)
96AQI (US)
103AQI (US)
24AQI (US)
11AQI (US)
33AQI (US)
32AQI (US)
20AQI (US)
20AQI (US)
30AQI (US)
39AQI (US)
54AQI (US)
35AQI (US)
27AQI (US)
24AQI (US)
22AQI (US)
30AQI (US)
22AQI (US)
41AQI (US)
23AQI (US)
33AQI (US)
22AQI (US)
41AQI (US)
66AQI (US)
47AQI (US)
30AQI (US)
50AQI (US)
26AQI (US)
22AQI (US)
58AQI (US)
37AQI (US)
35AQI (US)
48AQI (US)
35AQI (US)
23AQI (US)
28AQI (US)
17AQI (US)
19AQI (US)
23AQI (US)
30AQI (US)
42AQI (US)
48AQI (US)
60AQI (US)
51AQI (US)
27AQI (US)
49AQI (US)
57AQI (US)
26AQI (US)
19AQI (US)
25AQI (US)
16AQI (US)
29AQI (US)
35AQI (US)
35AQI (US)
34AQI (US)
29AQI (US)
30AQI (US)
26AQI (US)
36AQI (US)
30AQI (US)
44AQI (US)
36AQI (US)
24AQI (US)
34AQI (US)
24AQI (US)
37AQI (US)
49AQI (US)
35AQI (US)
21AQI (US)
19AQI (US)
20AQI (US)
11AQI (US)
20AQI (US)
19AQI (US)
20AQI (US)
23AQI (US)
19AQI (US)
17AQI (US)
20AQI (US)
15AQI (US)
25AQI (US)
19AQI (US)
26AQI (US)
34AQI (US)
31AQI (US)
23AQI (US)
27AQI (US)
28AQI (US)
26AQI (US)
28AQI (US)
28AQI (US)
39AQI (US)
57AQI (US)
56AQI (US)
51AQI (US)
26AQI (US)
16AQI (US)
21AQI (US)
24AQI (US)
22AQI (US)
23AQI (US)
19AQI (US)
14AQI (US)
19AQI (US)
18AQI (US)
25AQI (US)
26AQI (US)
32AQI (US)
30AQI (US)
27AQI (US)
27AQI (US)
36AQI (US)
22AQI (US)
22AQI (US)
40AQI (US)
47AQI (US)
25AQI (US)
26AQI (US)
30AQI (US)
23AQI (US)
25AQI (US)
25AQI (US)
31AQI (US)
27AQI (US)
23AQI (US)
26AQI (US)
29AQI (US)
34AQI (US)
44AQI (US)
23AQI (US)
27AQI (US)
24AQI (US)
34AQI (US)
24AQI (US)
25AQI (US)
26AQI (US)
29AQI (US)
28AQI (US)
27AQI (US)
25AQI (US)
23AQI (US)
29AQI (US)
33AQI (US)
35AQI (US)
32AQI (US)
33AQI (US)
28AQI (US)
26AQI (US)
25AQI (US)
17AQI (US)
16AQI (US)
29AQI (US)
24AQI (US)
21AQI (US)
29AQI (US)
36AQI (US)
29AQI (US)
9AQI (US)
16AQI (US)
23AQI (US)
28AQI (US)
26AQI (US)
19AQI (US)
13AQI (US)
20AQI (US)
21AQI (US)
25AQI (US)
14AQI (US)
13AQI (US)
21AQI (US)
29AQI (US)
28AQI (US)
25AQI (US)
32AQI (US)
26AQI (US)
25AQI (US)
18AQI (US)
23AQI (US)
23AQI (US)
24AQI (US)
28AQI (US)
29AQI (US)
28AQI (US)
26AQI (US)
25AQI (US)
33AQI (US)
37AQI (US)
39AQI (US)
51AQI (US)
45AQI (US)
38AQI (US)
51AQI (US)
34AQI (US)
35AQI (US)
26AQI (US)
27AQI (US)
26AQI (US)
26AQI (US)
No. of days
202634AQI (US)
Highest AQI (US) recorded in
March51AQI (US)
Lowest AQI (US) recorded in
September26AQI (US)
202539AQI (US)
Highest AQI (US) recorded in
February65AQI (US)
Lowest AQI (US) recorded in
September21AQI (US)
202438AQI (US)
Highest AQI (US) recorded in
January48AQI (US)
Lowest AQI (US) recorded in
April24AQI (US)
202337AQI (US)
Highest AQI (US) recorded in
June48AQI (US)
Lowest AQI (US) recorded in
February27AQI (US)
202241AQI (US)
Highest AQI (US) recorded in
March70AQI (US)
Lowest AQI (US) recorded in
November25AQI (US)
202145AQI (US)
Highest AQI (US) recorded in
March55AQI (US)
Lowest AQI (US) recorded in
August35AQI (US)
202043AQI (US)
Highest AQI (US) recorded in
April56AQI (US)
Lowest AQI (US) recorded in
July30AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Tessenderlo's annual 2026 AQI (US) (34) shows an average percentage change of -15.6% (improved AQI (US)) compared to previous years: 2020 (43), 2021 (45), 2022 (41), 2023 (37), 2024 (38), 2025 (39).