Roeselare, 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
Roeselare, Flanders, Belgium
AQI Trends: Highest and Lowest
Same Day Analysis (27th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 42 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 27th Sep - 28th Sep 2026
Roeselare, Flanders, Belgium
7 AM27th Sep 2026
8 PM
6 AM28th Sep 2026
74AQI
39AQI
34AQI
20AQI
In the last 24 hours,
Roeselare's AQI reached its highest point of 74 at 3 PM during the Day, while the lowest point, 20, was recorded at 6 AM during the Night between 27th Sep and 28th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Roeselare, Flanders, Belgium
19°C16/23°C
18°C15/21°C
17°C14/22°C
18°C13/23°C
19°C16/24°C
20°C18/24°C
17°C13/21°C
18°C11/26°C
22°C18/27°C
17°C12/20°C
14°C11/17°C
15°C10/21°C
17°C13/23°C
18°C14/24°C
18°C17/21°C
20°C17/24°C
20°C16/26°C
16°C13/19°C
15°C12/19°C
15°C10/20°C
18°C16/22°C
17°C14/19°C
15°C11/20°C
17°C13/22°C
17°C12/23°C
15°C12/20°C
18°C12/25°C
17°C14/20°C
18°C13/24°C
17°C15/20°C
38AQI
27AQI
34AQI
27AQI
2026 Days Vs Air Quality
Roeselare, Flanders, Belgium
83%
221
16%
43
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: 83%
Health Risk Level:
Low
In 2026, 83% of 271 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
Roeselare, Flanders, Belgium
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
26AQI (US)
16AQI (US)
17AQI (US)
17AQI (US)
39AQI (US)
38AQI (US)
52AQI (US)
45AQI (US)
14AQI (US)
36AQI (US)
73AQI (US)
18AQI (US)
24AQI (US)
38AQI (US)
30AQI (US)
19AQI (US)
46AQI (US)
60AQI (US)
71AQI (US)
64AQI (US)
26AQI (US)
54AQI (US)
30AQI (US)
31AQI (US)
72AQI (US)
129AQI (US)
48AQI (US)
57AQI (US)
70AQI (US)
37AQI (US)
27AQI (US)
65AQI (US)
62AQI (US)
79AQI (US)
24AQI (US)
76AQI (US)
57AQI (US)
20AQI (US)
34AQI (US)
56AQI (US)
33AQI (US)
20AQI (US)
30AQI (US)
51AQI (US)
28AQI (US)
49AQI (US)
17AQI (US)
21AQI (US)
44AQI (US)
52AQI (US)
51AQI (US)
26AQI (US)
16AQI (US)
29AQI (US)
34AQI (US)
44AQI (US)
58AQI (US)
58AQI (US)
17AQI (US)
24AQI (US)
39AQI (US)
68AQI (US)
74AQI (US)
66AQI (US)
72AQI (US)
109AQI (US)
104AQI (US)
80AQI (US)
63AQI (US)
24AQI (US)
18AQI (US)
28AQI (US)
33AQI (US)
28AQI (US)
15AQI (US)
24AQI (US)
30AQI (US)
72AQI (US)
94AQI (US)
45AQI (US)
82AQI (US)
94AQI (US)
85AQI (US)
22AQI (US)
14AQI (US)
44AQI (US)
16AQI (US)
14AQI (US)
16AQI (US)
27AQI (US)
65AQI (US)
43AQI (US)
20AQI (US)
24AQI (US)
29AQI (US)
24AQI (US)
25AQI (US)
42AQI (US)
58AQI (US)
19AQI (US)
26AQI (US)
29AQI (US)
32AQI (US)
35AQI (US)
35AQI (US)
18AQI (US)
40AQI (US)
24AQI (US)
16AQI (US)
52AQI (US)
48AQI (US)
46AQI (US)
54AQI (US)
37AQI (US)
30AQI (US)
25AQI (US)
23AQI (US)
24AQI (US)
27AQI (US)
55AQI (US)
36AQI (US)
70AQI (US)
41AQI (US)
20AQI (US)
46AQI (US)
43AQI (US)
39AQI (US)
14AQI (US)
17AQI (US)
22AQI (US)
20AQI (US)
28AQI (US)
36AQI (US)
36AQI (US)
34AQI (US)
33AQI (US)
32AQI (US)
34AQI (US)
35AQI (US)
38AQI (US)
56AQI (US)
39AQI (US)
24AQI (US)
44AQI (US)
27AQI (US)
48AQI (US)
60AQI (US)
28AQI (US)
20AQI (US)
24AQI (US)
22AQI (US)
20AQI (US)
25AQI (US)
21AQI (US)
22AQI (US)
21AQI (US)
18AQI (US)
22AQI (US)
20AQI (US)
20AQI (US)
22AQI (US)
20AQI (US)
27AQI (US)
46AQI (US)
16AQI (US)
14AQI (US)
34AQI (US)
21AQI (US)
26AQI (US)
32AQI (US)
24AQI (US)
48AQI (US)
65AQI (US)
60AQI (US)
29AQI (US)
26AQI (US)
13AQI (US)
20AQI (US)
22AQI (US)
17AQI (US)
16AQI (US)
24AQI (US)
13AQI (US)
18AQI (US)
14AQI (US)
32AQI (US)
30AQI (US)
46AQI (US)
34AQI (US)
26AQI (US)
20AQI (US)
32AQI (US)
30AQI (US)
38AQI (US)
55AQI (US)
48AQI (US)
24AQI (US)
28AQI (US)
28AQI (US)
30AQI (US)
29AQI (US)
28AQI (US)
46AQI (US)
18AQI (US)
26AQI (US)
28AQI (US)
36AQI (US)
36AQI (US)
30AQI (US)
34AQI (US)
29AQI (US)
28AQI (US)
38AQI (US)
29AQI (US)
22AQI (US)
29AQI (US)
27AQI (US)
34AQI (US)
31AQI (US)
29AQI (US)
30AQI (US)
30AQI (US)
40AQI (US)
47AQI (US)
18AQI (US)
34AQI (US)
31AQI (US)
42AQI (US)
30AQI (US)
28AQI (US)
28AQI (US)
35AQI (US)
28AQI (US)
28AQI (US)
34AQI (US)
41AQI (US)
34AQI (US)
26AQI (US)
39AQI (US)
33AQI (US)
23AQI (US)
30AQI (US)
30AQI (US)
16AQI (US)
26AQI (US)
27AQI (US)
26AQI (US)
26AQI (US)
24AQI (US)
38AQI (US)
27AQI (US)
30AQI (US)
24AQI (US)
32AQI (US)
27AQI (US)
34AQI (US)
38AQI (US)
32AQI (US)
54AQI (US)
31AQI (US)
28AQI (US)
39AQI (US)
42AQI (US)
30AQI (US)
33AQI (US)
34AQI (US)
42AQI (US)
43AQI (US)
41AQI (US)
49AQI (US)
34AQI (US)
36AQI (US)
27AQI (US)
29AQI (US)
32AQI (US)
31AQI (US)
No. of days
202636AQI (US)
Highest AQI (US) recorded in
March49AQI (US)
Lowest AQI (US) recorded in
June27AQI (US)
202545AQI (US)
Highest AQI (US) recorded in
February73AQI (US)
Lowest AQI (US) recorded in
September23AQI (US)
202440AQI (US)
Highest AQI (US) recorded in
January49AQI (US)
Lowest AQI (US) recorded in
April25AQI (US)
202334AQI (US)
Highest AQI (US) recorded in
December41AQI (US)
Lowest AQI (US) recorded in
August26AQI (US)
202247AQI (US)
Highest AQI (US) recorded in
March84AQI (US)
Lowest AQI (US) recorded in
November27AQI (US)
202149AQI (US)
Highest AQI (US) recorded in
March60AQI (US)
Lowest AQI (US) recorded in
August34AQI (US)
202044AQI (US)
Highest AQI (US) recorded in
April65AQI (US)
Lowest AQI (US) recorded in
July29AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Roeselare's annual 2026 AQI (US) (36) shows an average percentage change of -15.3% (improved AQI (US)) compared to previous years: 2020 (44), 2021 (49), 2022 (47), 2023 (34), 2024 (40), 2025 (45).