Leuven, Flanders, Belgium Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Leuven, Flanders, Belgium
AQI Trends: Highest and Lowest
Same Day Analysis (10th October ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 64 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 10th Oct - 11th Oct 2025
Leuven, Flanders, Belgium
7 AM10th Oct 2025
7 PM
6 AM11th Oct 2025
69AQI
60AQI
82AQI
61AQI
In the last 24 hours,
Leuven's AQI reached its highest point of 82 at 1 AM during the Night, while the lowest point, 60, was recorded at 8 AM during the Day between 10th Oct and 11th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Leuven, Flanders, Belgium
16°C12/20°C
15°C11/20°C
15°C12/21°C
15°C10/21°C
18°C14/21°C
16°C13/20°C
15°C12/21°C
19°C14/26°C
21°C14/30°C
21°C19/28°C
14°C10/16°C
12°C8/17°C
13°C8/18°C
13°C9/17°C
10°C9/11°C
13°C9/17°C
13°C10/19°C
14°C8/21°C
14°C10/20°C
14°C11/20°C
13°C8/19°C
12°C8/19°C
12°C9/16°C
14°C11/18°C
12°C10/14°C
12°C9/15°C
14°C11/20°C
14°C10/17°C
13°C10/17°C
14°C10/18°C
--°C/°C
34AQI
30AQI
32AQI
28AQI
2025 Days Vs Air Quality
Leuven, Flanders, Belgium
93%
125
7%
10
Total number of days with different AQI categories in last 284 days in 2025 (81 days remaining)
Under WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2025, 93% of 284 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
Leuven, Flanders, Belgium
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
31AQI
30AQI
34AQI
32AQI
33AQI
33AQI
31AQI
30AQI
29AQI
28AQI
29AQI
34AQI
47AQI
40AQI
39AQI
46AQI
44AQI
38AQI
36AQI
35AQI
35AQI
35AQI
34AQI
34AQI
34AQI
31AQI
28AQI
26AQI
25AQI
25AQI
23AQI
23AQI
26AQI
28AQI
33AQI
32AQI
29AQI
26AQI
24AQI
23AQI
23AQI
24AQI
27AQI
27AQI
28AQI
29AQI
32AQI
24AQI
22AQI
22AQI
23AQI
26AQI
24AQI
19AQI
17AQI
16AQI
21AQI
27AQI
31AQI
26AQI
24AQI
23AQI
24AQI
23AQI
22AQI
20AQI
20AQI
23AQI
22AQI
25AQI
27AQI
25AQI
35AQI
30AQI
38AQI
47AQI
55AQI
58AQI
46AQI
48AQI
37AQI
26AQI
28AQI
31AQI
28AQI
21AQI
21AQI
21AQI
23AQI
29AQI
30AQI
32AQI
25AQI
20AQI
18AQI
19AQI
19AQI
18AQI
19AQI
19AQI
20AQI
21AQI
23AQI
22AQI
23AQI
21AQI
19AQI
17AQI
18AQI
20AQI
21AQI
20AQI
17AQI
19AQI
23AQI
20AQI
18AQI
15AQI
14AQI
17AQI
17AQI
21AQI
17AQI
23AQI
33AQI
55AQI
58AQI
46AQI
51AQI
48AQI
51AQI
53AQI
56AQI
57AQI
64AQI
32AQI
33AQI
25AQI
30AQI
20AQI
54AQI
No. of days
202529AQI
Highest AQI recorded in
October54AQI
Lowest AQI recorded in
September20AQI
Most & Least Polluted Years Over the Last 1 Years
Leuven's annual 2025 AQI (29) shows an average percentage change of NaN% (improved AQI) compared to previous years: .