Hasselt, Flanders, Belgium Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Hasselt, Flanders, Belgium
AQI Trends: Highest and Lowest
Same Day Analysis (2nd July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 45 of Good air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jul - 3rd Jul 2025
Hasselt, Flanders, Belgium
5 AM2nd Jul 2025
9 PM
4 AM3rd Jul 2025
54AQI
36AQI
36AQI
29AQI
In the last 24 hours,
Hasselt's AQI reached its highest point of 54 at 5 AM during the Day, while the lowest point, 29, was recorded at 4 AM during the Night between 2nd Jul and 3rd Jul 2025.
Day & Night AQI Trend : Jun - Jul 2025
Hasselt, Flanders, Belgium
17°C10/24°C
15°C11/19°C
14°C11/18°C
16°C13/19°C
13°C12/17°C
13°C10/17°C
14°C8/20°C
15°C11/20°C
16°C9/22°C
21°C11/30°C
25°C18/32°C
23°C17/29°C
18°C14/24°C
18°C12/24°C
21°C13/27°C
21°C15/27°C
20°C14/26°C
20°C13/27°C
24°C15/32°C
24°C18/32°C
19°C14/23°C
18°C11/24°C
24°C16/31°C
20°C18/24°C
18°C14/22°C
23°C17/30°C
24°C17/32°C
25°C17/33°C
29°C21/37°C
27°C17/38°C
0°C0/0°C
30AQI
30AQI
30AQI
30AQI
2025 Days Vs Air Quality
Hasselt, Flanders, Belgium
67%
122
31%
56
3%
5
Total number of days with different AQI categories in last 184 days in 2025 (181 days remaining)
Under WHO’s Safe Air Quality Limits: 67%
Health Risk Level:
Moderate
In 2025, 67% of 184 days were within WHO’s safe air quality limits, and 33% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Hasselt, Flanders, Belgium
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
32AQI
33AQI
32AQI
47AQI
29AQI
23AQI
24AQI
26AQI
30AQI
49AQI
66AQI
78AQI
69AQI
67AQI
80AQI
54AQI
56AQI
64AQI
77AQI
80AQI
88AQI
65AQI
51AQI
24AQI
29AQI
27AQI
25AQI
27AQI
25AQI
26AQI
49AQI
56AQI
64AQI
85AQI
69AQI
57AQI
68AQI
54AQI
68AQI
69AQI
124AQI
63AQI
66AQI
105AQI
113AQI
89AQI
56AQI
66AQI
74AQI
75AQI
70AQI
44AQI
38AQI
36AQI
24AQI
36AQI
37AQI
26AQI
34AQI
52AQI
65AQI
71AQI
88AQI
82AQI
65AQI
54AQI
64AQI
81AQI
104AQI
99AQI
49AQI
50AQI
33AQI
49AQI
55AQI
39AQI
31AQI
43AQI
50AQI
55AQI
31AQI
19AQI
59AQI
124AQI
55AQI
67AQI
77AQI
41AQI
38AQI
31AQI
32AQI
33AQI
48AQI
50AQI
48AQI
19AQI
26AQI
34AQI
52AQI
45AQI
59AQI
56AQI
40AQI
39AQI
34AQI
24AQI
27AQI
35AQI
38AQI
51AQI
24AQI
36AQI
29AQI
42AQI
55AQI
51AQI
31AQI
38AQI
50AQI
42AQI
41AQI
48AQI
60AQI
21AQI
21AQI
19AQI
29AQI
22AQI
19AQI
21AQI
23AQI
21AQI
28AQI
40AQI
39AQI
27AQI
36AQI
45AQI
40AQI
31AQI
41AQI
33AQI
25AQI
25AQI
20AQI
28AQI
21AQI
18AQI
23AQI
22AQI
39AQI
32AQI
32AQI
31AQI
26AQI
19AQI
16AQI
15AQI
18AQI
33AQI
52AQI
39AQI
39AQI
53AQI
52AQI
34AQI
31AQI
31AQI
37AQI
37AQI
30AQI
30AQI
29AQI
23AQI
23AQI
20AQI
22AQI
20AQI
16AQI
19AQI
24AQI
29AQI
45AQI
47AQI
63AQI
59AQI
40AQI
30AQI
29AQI
37AQI
No. of days
202544AQI
Highest AQI recorded in
February63AQI
Lowest AQI recorded in
June29AQI
202437AQI
Highest AQI recorded in
January49AQI
Lowest AQI recorded in
April25AQI
202338AQI
Highest AQI recorded in
May49AQI
Lowest AQI recorded in
July29AQI
202242AQI
Highest AQI recorded in
March71AQI
Lowest AQI recorded in
November24AQI
202147AQI
Highest AQI recorded in
March59AQI
Lowest AQI recorded in
August34AQI
202042AQI
Highest AQI recorded in
March59AQI
Lowest AQI recorded in
July29AQI
Most & Least Polluted Years Over the Last 6 Years
Hasselt's annual 2025 AQI (44) shows an average percentage change of 8.7% (worsened AQI) compared to previous years: 2020 (42), 2021 (47), 2022 (42), 2023 (38), 2024 (37).