Leuven, 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
Leuven, Flanders, Belgium
AQI Trends: Highest and Lowest
Same Day Analysis (6th March):
On this day, AQI across the 1 years varied significantly: 2026 ranks 1st highest AQI at 63 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Mar - 6th Mar 2026
Leuven, Flanders, Belgium
7 AM5th Mar 2026
6 PM
6 AM6th Mar 2026
86AQI
25AQI
67AQI
38AQI
In the last 24 hours,
Leuven's AQI reached its highest point of 86 at 7 AM during the Day, while the lowest point, 25, was recorded at 6 PM during the Day between 5th Mar and 6th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Leuven, Flanders, Belgium
5°C3/8°C
7°C5/10°C
8°C5/12°C
7°C5/12°C
5°C3/9°C
7°C5/10°C
10°C8/11°C
9°C7/11°C
5°C3/7°C
1°C-1/4°C
1°C-2/5°C
5°C3/8°C
4°C1/7°C
3°C0/7°C
4°C4/5°C
6°C2/9°C
9°C7/11°C
11°C10/12°C
10°C8/12°C
11°C9/14°C
12°C8/18°C
13°C10/17°C
13°C10/17°C
9°C6/11°C
8°C3/12°C
10°C5/16°C
11°C7/17°C
11°C7/17°C
11°C6/18°C
13°C9/19°C
45AQI
35AQI
47AQI
41AQI
2026 Days Vs Air Quality
Leuven, Flanders, Belgium
71%
46
28%
18
2%
1
Total number of days with different AQI categories in last 66 days in 2026 (299 days remaining)
Under WHO’s Safe Air Quality Limits: 71%
Health Risk Level:
Low
In 2026, 71% of 66 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
Leuven, Flanders, Belgium
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
24AQI (US)
21AQI (US)
29AQI (US)
25AQI (US)
41AQI (US)
44AQI (US)
34AQI (US)
41AQI (US)
11AQI (US)
52AQI (US)
63AQI (US)
17AQI (US)
12AQI (US)
26AQI (US)
20AQI (US)
14AQI (US)
25AQI (US)
53AQI (US)
62AQI (US)
59AQI (US)
29AQI (US)
39AQI (US)
49AQI (US)
43AQI (US)
72AQI (US)
118AQI (US)
53AQI (US)
40AQI (US)
66AQI (US)
36AQI (US)
18AQI (US)
31AQI (US)
30AQI (US)
46AQI (US)
12AQI (US)
42AQI (US)
41AQI (US)
31AQI (US)
51AQI (US)
64AQI (US)
49AQI (US)
28AQI (US)
34AQI (US)
54AQI (US)
58AQI (US)
46AQI (US)
17AQI (US)
28AQI (US)
41AQI (US)
37AQI (US)
64AQI (US)
30AQI (US)
11AQI (US)
26AQI (US)
45AQI (US)
21AQI (US)
56AQI (US)
46AQI (US)
14AQI (US)
28AQI (US)
37AQI (US)
54AQI (US)
86AQI (US)
65AQI (US)
63AQI (US)
40AQI (US)
38AQI (US)
56AQI (US)
No. of days
202640AQI (US)
Highest AQI (US) recorded in
March56AQI (US)
Lowest AQI (US) recorded in
February38AQI (US)
202534AQI (US)
Highest AQI (US) recorded in
December45AQI (US)
Lowest AQI (US) recorded in
September20AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Leuven's annual 2026 AQI (US) (40) shows an average percentage change of 19.6% (worsened AQI (US)) compared to previous years: 2025 (34).