Sint Niklaas, Flanders, Belgium Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Sint Niklaas, Flanders, Belgium
AQI Trends: Highest and Lowest
Same Day Analysis (1st August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 12 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 31st Jul - 1st Aug 2026
Sint Niklaas, Flanders, Belgium
5 AM31st Jul 2026
9 PM
4 AM1st Aug 2026
73AQI
8AQI
65AQI
8AQI
In the last 24 hours,
Sint Niklaas's AQI reached its highest point of 73 at 7 AM during the Day, while the lowest point, 8, was recorded at 3 AM during the Night between 31st Jul and 1st Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Sint Niklaas, Flanders, Belgium
17°C11/22°C
20°C13/26°C
20°C17/23°C
23°C15/30°C
22°C18/27°C
21°C16/26°C
22°C16/30°C
24°C17/30°C
24°C16/31°C
25°C18/32°C
23°C14/31°C
26°C18/33°C
25°C18/31°C
24°C16/30°C
20°C15/25°C
18°C14/22°C
17°C13/20°C
18°C14/22°C
17°C11/23°C
17°C13/22°C
18°C14/22°C
20°C13/27°C
23°C16/29°C
19°C15/23°C
19°C13/23°C
23°C15/31°C
28°C20/37°C
23°C18/30°C
21°C16/28°C
20°C13/27°C
28AQI
23AQI
28AQI
23AQI
2026 Days Vs Air Quality
Sint Niklaas, Flanders, Belgium
89%
186
10%
22
0.9%
2
Total number of days with different AQI categories in last 213 days in 2026 (152 days remaining)
Under WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2026, 89% of 213 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
Sint Niklaas, Flanders, Belgium
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
29AQI (US)
20AQI (US)
21AQI (US)
22AQI (US)
45AQI (US)
32AQI (US)
41AQI (US)
41AQI (US)
19AQI (US)
52AQI (US)
60AQI (US)
22AQI (US)
20AQI (US)
30AQI (US)
30AQI (US)
16AQI (US)
30AQI (US)
53AQI (US)
66AQI (US)
63AQI (US)
30AQI (US)
45AQI (US)
47AQI (US)
47AQI (US)
84AQI (US)
125AQI (US)
63AQI (US)
48AQI (US)
71AQI (US)
44AQI (US)
18AQI (US)
39AQI (US)
48AQI (US)
63AQI (US)
15AQI (US)
55AQI (US)
40AQI (US)
18AQI (US)
39AQI (US)
47AQI (US)
35AQI (US)
21AQI (US)
22AQI (US)
44AQI (US)
44AQI (US)
40AQI (US)
20AQI (US)
39AQI (US)
39AQI (US)
36AQI (US)
40AQI (US)
33AQI (US)
31AQI (US)
33AQI (US)
36AQI (US)
34AQI (US)
33AQI (US)
32AQI (US)
19AQI (US)
27AQI (US)
36AQI (US)
54AQI (US)
72AQI (US)
53AQI (US)
55AQI (US)
93AQI (US)
109AQI (US)
64AQI (US)
53AQI (US)
25AQI (US)
34AQI (US)
29AQI (US)
28AQI (US)
29AQI (US)
29AQI (US)
30AQI (US)
30AQI (US)
52AQI (US)
67AQI (US)
32AQI (US)
61AQI (US)
71AQI (US)
82AQI (US)
21AQI (US)
9AQI (US)
24AQI (US)
29AQI (US)
26AQI (US)
25AQI (US)
24AQI (US)
29AQI (US)
28AQI (US)
20AQI (US)
27AQI (US)
28AQI (US)
25AQI (US)
25AQI (US)
27AQI (US)
33AQI (US)
22AQI (US)
28AQI (US)
29AQI (US)
29AQI (US)
31AQI (US)
31AQI (US)
26AQI (US)
30AQI (US)
27AQI (US)
25AQI (US)
27AQI (US)
25AQI (US)
30AQI (US)
42AQI (US)
24AQI (US)
26AQI (US)
27AQI (US)
25AQI (US)
25AQI (US)
25AQI (US)
31AQI (US)
19AQI (US)
49AQI (US)
36AQI (US)
21AQI (US)
24AQI (US)
27AQI (US)
29AQI (US)
22AQI (US)
23AQI (US)
24AQI (US)
18AQI (US)
28AQI (US)
34AQI (US)
36AQI (US)
34AQI (US)
31AQI (US)
31AQI (US)
30AQI (US)
34AQI (US)
36AQI (US)
49AQI (US)
37AQI (US)
26AQI (US)
28AQI (US)
27AQI (US)
39AQI (US)
48AQI (US)
34AQI (US)
20AQI (US)
21AQI (US)
22AQI (US)
18AQI (US)
21AQI (US)
22AQI (US)
22AQI (US)
22AQI (US)
20AQI (US)
23AQI (US)
21AQI (US)
19AQI (US)
22AQI (US)
19AQI (US)
20AQI (US)
25AQI (US)
18AQI (US)
14AQI (US)
20AQI (US)
22AQI (US)
19AQI (US)
21AQI (US)
24AQI (US)
24AQI (US)
42AQI (US)
45AQI (US)
29AQI (US)
24AQI (US)
19AQI (US)
19AQI (US)
21AQI (US)
20AQI (US)
22AQI (US)
16AQI (US)
13AQI (US)
17AQI (US)
15AQI (US)
20AQI (US)
24AQI (US)
28AQI (US)
28AQI (US)
26AQI (US)
28AQI (US)
28AQI (US)
23AQI (US)
22AQI (US)
35AQI (US)
40AQI (US)
27AQI (US)
26AQI (US)
25AQI (US)
20AQI (US)
18AQI (US)
30AQI (US)
45AQI (US)
24AQI (US)
19AQI (US)
26AQI (US)
31AQI (US)
37AQI (US)
42AQI (US)
12AQI (US)
43AQI (US)
36AQI (US)
44AQI (US)
28AQI (US)
31AQI (US)
23AQI (US)
26AQI (US)
12AQI (US)
No. of days
202633AQI (US)
Highest AQI (US) recorded in
March44AQI (US)
Lowest AQI (US) recorded in
August12AQI (US)
202541AQI (US)
Highest AQI (US) recorded in
February70AQI (US)
Lowest AQI (US) recorded in
September22AQI (US)
202438AQI (US)
Highest AQI (US) recorded in
January46AQI (US)
Lowest AQI (US) recorded in
April23AQI (US)
202337AQI (US)
Highest AQI (US) recorded in
May47AQI (US)
Lowest AQI (US) recorded in
August26AQI (US)
202244AQI (US)
Highest AQI (US) recorded in
March73AQI (US)
Lowest AQI (US) recorded in
November25AQI (US)
202150AQI (US)
Highest AQI (US) recorded in
March65AQI (US)
Lowest AQI (US) recorded in
August37AQI (US)
202044AQI (US)
Highest AQI (US) recorded in
November60AQI (US)
Lowest AQI (US) recorded in
July28AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Sint Niklaas's annual 2026 AQI (US) (33) shows an average percentage change of -21.2% (improved AQI (US)) compared to previous years: 2020 (44), 2021 (50), 2022 (44), 2023 (37), 2024 (38), 2025 (41).