Mortsel, Flanders, Belgium Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
March Air Quality Analysis
Mortsel, Flanders, Belgium
AQI Trends: Highest and Lowest
Same Day Analysis (12th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 29 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 11th Mar - 12th Mar 2026
Mortsel, Flanders, Belgium
7 AM11th Mar 2026
6 PM
6 AM12th Mar 2026
29AQI
8AQI
29AQI
23AQI
In the last 24 hours,
Mortsel's AQI reached its highest point of 29 at 7 AM during the Day, while the lowest point, 8, was recorded at 2 PM during the Day between 11th Mar and 12th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Mortsel, Flanders, Belgium
10°C8/11°C
8°C7/11°C
5°C2/6°C
2°C0/4°C
1°C0/5°C
5°C3/8°C
5°C2/7°C
3°C1/6°C
3°C3/4°C
6°C2/9°C
10°C7/12°C
11°C11/11°C
10°C8/12°C
11°C9/14°C
13°C9/18°C
13°C10/17°C
12°C11/16°C
10°C6/11°C
8°C4/12°C
11°C7/16°C
11°C7/17°C
11°C7/17°C
12°C7/19°C
13°C9/19°C
12°C8/17°C
12°C8/18°C
13°C9/19°C
12°C10/15°C
10°C7/12°C
9°C5/13°C
44AQI
41AQI
49AQI
42AQI
2026 Days Vs Air Quality
Mortsel, Flanders, Belgium
76%
54
23%
16
1%
1
Total number of days with different AQI categories in last 72 days in 2026 (293 days remaining)
Under WHO’s Safe Air Quality Limits: 76%
Health Risk Level:
Low
In 2026, 76% of 72 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
Mortsel, Flanders, Belgium
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
30AQI (US)
26AQI (US)
30AQI (US)
29AQI (US)
50AQI (US)
35AQI (US)
40AQI (US)
47AQI (US)
23AQI (US)
56AQI (US)
64AQI (US)
24AQI (US)
18AQI (US)
30AQI (US)
32AQI (US)
22AQI (US)
40AQI (US)
62AQI (US)
72AQI (US)
69AQI (US)
35AQI (US)
46AQI (US)
48AQI (US)
49AQI (US)
83AQI (US)
122AQI (US)
63AQI (US)
47AQI (US)
67AQI (US)
43AQI (US)
21AQI (US)
40AQI (US)
46AQI (US)
48AQI (US)
14AQI (US)
52AQI (US)
38AQI (US)
18AQI (US)
39AQI (US)
42AQI (US)
31AQI (US)
37AQI (US)
32AQI (US)
43AQI (US)
43AQI (US)
38AQI (US)
21AQI (US)
36AQI (US)
40AQI (US)
35AQI (US)
40AQI (US)
31AQI (US)
30AQI (US)
33AQI (US)
35AQI (US)
34AQI (US)
32AQI (US)
31AQI (US)
26AQI (US)
30AQI (US)
37AQI (US)
53AQI (US)
72AQI (US)
53AQI (US)
52AQI (US)
99AQI (US)
92AQI (US)
88AQI (US)
41AQI (US)
25AQI (US)
29AQI (US)
46AQI (US)
35AQI (US)
56AQI (US)
No. of days
202643AQI (US)
Highest AQI (US) recorded in
March56AQI (US)
Lowest AQI (US) recorded in
February35AQI (US)
202542AQI (US)
Highest AQI (US) recorded in
February67AQI (US)
Lowest AQI (US) recorded in
September22AQI (US)
202438AQI (US)
Highest AQI (US) recorded in
November47AQI (US)
Lowest AQI (US) recorded in
April23AQI (US)
202336AQI (US)
Highest AQI (US) recorded in
May47AQI (US)
Lowest AQI (US) recorded in
July25AQI (US)
202241AQI (US)
Highest AQI (US) recorded in
March68AQI (US)
Lowest AQI (US) recorded in
November25AQI (US)
202142AQI (US)
Highest AQI (US) recorded in
March53AQI (US)
Lowest AQI (US) recorded in
May29AQI (US)
202036AQI (US)
Highest AQI (US) recorded in
November53AQI (US)
Lowest AQI (US) recorded in
July22AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Mortsel's annual 2026 AQI (US) (43) shows an average percentage change of 11.5% (worsened AQI (US)) compared to previous years: 2020 (36), 2021 (42), 2022 (41), 2023 (36), 2024 (38), 2025 (42).