Mechelen, 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
Mechelen, Flanders, Belgium
AQI Trends: Highest and Lowest
Same Day Analysis (27th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 36 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 26th Sep - 27th Sep 2026
Mechelen, Flanders, Belgium
7 AM26th Sep 2026
8 PM
6 AM27th Sep 2026
54AQI
21AQI
36AQI
21AQI
In the last 24 hours,
Mechelen's AQI reached its highest point of 54 at 11 AM during the Day, while the lowest point, 21, was recorded at 6 AM during the Night between 26th Sep and 27th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Mechelen, Flanders, Belgium
18°C15/21°C
19°C17/23°C
17°C15/20°C
18°C14/22°C
18°C14/23°C
19°C17/22°C
21°C18/26°C
17°C13/22°C
18°C11/25°C
23°C19/29°C
19°C15/22°C
15°C11/18°C
15°C11/20°C
17°C13/22°C
18°C14/24°C
18°C17/20°C
19°C16/23°C
21°C16/29°C
16°C13/20°C
15°C12/20°C
15°C10/20°C
18°C15/21°C
17°C13/19°C
15°C10/21°C
16°C12/21°C
17°C12/23°C
15°C12/19°C
17°C11/24°C
18°C14/23°C
18°C13/25°C
29AQI
21AQI
24AQI
21AQI
2026 Days Vs Air Quality
Mechelen, Flanders, Belgium
92%
245
7%
19
1%
3
Total number of days with different AQI categories in last 271 days in 2026 (94 days remaining)
Under WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2026, 92% of 271 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
Mechelen, Flanders, Belgium
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
27AQI (US)
21AQI (US)
26AQI (US)
24AQI (US)
44AQI (US)
36AQI (US)
37AQI (US)
41AQI (US)
18AQI (US)
56AQI (US)
61AQI (US)
17AQI (US)
18AQI (US)
30AQI (US)
27AQI (US)
14AQI (US)
29AQI (US)
53AQI (US)
65AQI (US)
67AQI (US)
32AQI (US)
43AQI (US)
49AQI (US)
47AQI (US)
82AQI (US)
123AQI (US)
64AQI (US)
46AQI (US)
68AQI (US)
42AQI (US)
20AQI (US)
41AQI (US)
47AQI (US)
45AQI (US)
14AQI (US)
50AQI (US)
37AQI (US)
17AQI (US)
38AQI (US)
41AQI (US)
33AQI (US)
39AQI (US)
34AQI (US)
42AQI (US)
44AQI (US)
40AQI (US)
26AQI (US)
36AQI (US)
41AQI (US)
36AQI (US)
41AQI (US)
31AQI (US)
28AQI (US)
32AQI (US)
34AQI (US)
32AQI (US)
32AQI (US)
32AQI (US)
27AQI (US)
31AQI (US)
36AQI (US)
51AQI (US)
74AQI (US)
54AQI (US)
54AQI (US)
110AQI (US)
102AQI (US)
92AQI (US)
41AQI (US)
24AQI (US)
33AQI (US)
27AQI (US)
30AQI (US)
30AQI (US)
30AQI (US)
29AQI (US)
29AQI (US)
51AQI (US)
75AQI (US)
35AQI (US)
64AQI (US)
80AQI (US)
79AQI (US)
20AQI (US)
9AQI (US)
26AQI (US)
29AQI (US)
26AQI (US)
24AQI (US)
26AQI (US)
28AQI (US)
35AQI (US)
18AQI (US)
24AQI (US)
26AQI (US)
17AQI (US)
23AQI (US)
26AQI (US)
28AQI (US)
27AQI (US)
32AQI (US)
29AQI (US)
28AQI (US)
30AQI (US)
30AQI (US)
25AQI (US)
31AQI (US)
27AQI (US)
24AQI (US)
26AQI (US)
22AQI (US)
25AQI (US)
44AQI (US)
25AQI (US)
23AQI (US)
25AQI (US)
23AQI (US)
24AQI (US)
21AQI (US)
34AQI (US)
20AQI (US)
41AQI (US)
37AQI (US)
22AQI (US)
23AQI (US)
29AQI (US)
30AQI (US)
26AQI (US)
22AQI (US)
22AQI (US)
19AQI (US)
28AQI (US)
34AQI (US)
35AQI (US)
34AQI (US)
30AQI (US)
31AQI (US)
28AQI (US)
34AQI (US)
35AQI (US)
49AQI (US)
37AQI (US)
28AQI (US)
28AQI (US)
28AQI (US)
30AQI (US)
37AQI (US)
26AQI (US)
19AQI (US)
19AQI (US)
22AQI (US)
19AQI (US)
20AQI (US)
22AQI (US)
22AQI (US)
22AQI (US)
19AQI (US)
22AQI (US)
20AQI (US)
18AQI (US)
22AQI (US)
19AQI (US)
22AQI (US)
26AQI (US)
22AQI (US)
16AQI (US)
24AQI (US)
23AQI (US)
19AQI (US)
21AQI (US)
23AQI (US)
24AQI (US)
34AQI (US)
38AQI (US)
30AQI (US)
25AQI (US)
21AQI (US)
22AQI (US)
23AQI (US)
21AQI (US)
25AQI (US)
17AQI (US)
15AQI (US)
18AQI (US)
20AQI (US)
24AQI (US)
25AQI (US)
29AQI (US)
28AQI (US)
27AQI (US)
28AQI (US)
28AQI (US)
25AQI (US)
23AQI (US)
38AQI (US)
43AQI (US)
23AQI (US)
28AQI (US)
28AQI (US)
23AQI (US)
20AQI (US)
33AQI (US)
52AQI (US)
23AQI (US)
19AQI (US)
26AQI (US)
26AQI (US)
34AQI (US)
42AQI (US)
20AQI (US)
26AQI (US)
26AQI (US)
36AQI (US)
23AQI (US)
21AQI (US)
33AQI (US)
25AQI (US)
28AQI (US)
26AQI (US)
25AQI (US)
25AQI (US)
29AQI (US)
33AQI (US)
39AQI (US)
29AQI (US)
29AQI (US)
32AQI (US)
30AQI (US)
24AQI (US)
18AQI (US)
17AQI (US)
30AQI (US)
27AQI (US)
23AQI (US)
28AQI (US)
33AQI (US)
34AQI (US)
13AQI (US)
20AQI (US)
13AQI (US)
20AQI (US)
22AQI (US)
14AQI (US)
10AQI (US)
14AQI (US)
23AQI (US)
26AQI (US)
16AQI (US)
14AQI (US)
23AQI (US)
26AQI (US)
29AQI (US)
23AQI (US)
31AQI (US)
26AQI (US)
20AQI (US)
24AQI (US)
27AQI (US)
30AQI (US)
19AQI (US)
32AQI (US)
32AQI (US)
34AQI (US)
28AQI (US)
30AQI (US)
34AQI (US)
36AQI (US)
43AQI (US)
35AQI (US)
46AQI (US)
27AQI (US)
30AQI (US)
23AQI (US)
27AQI (US)
26AQI (US)
25AQI (US)
No. of days
202631AQI (US)
Highest AQI (US) recorded in
March46AQI (US)
Lowest AQI (US) recorded in
June23AQI (US)
202540AQI (US)
Highest AQI (US) recorded in
February63AQI (US)
Lowest AQI (US) recorded in
September21AQI (US)
202435AQI (US)
Highest AQI (US) recorded in
November45AQI (US)
Lowest AQI (US) recorded in
April21AQI (US)
202334AQI (US)
Highest AQI (US) recorded in
May45AQI (US)
Lowest AQI (US) recorded in
August26AQI (US)
202242AQI (US)
Highest AQI (US) recorded in
March68AQI (US)
Lowest AQI (US) recorded in
November23AQI (US)
202144AQI (US)
Highest AQI (US) recorded in
March55AQI (US)
Lowest AQI (US) recorded in
May33AQI (US)
202038AQI (US)
Highest AQI (US) recorded in
April57AQI (US)
Lowest AQI (US) recorded in
July23AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Mechelen's annual 2026 AQI (US) (31) shows an average percentage change of -19.4% (improved AQI (US)) compared to previous years: 2020 (38), 2021 (44), 2022 (42), 2023 (34), 2024 (35), 2025 (40).