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!
June Air Quality Analysis
Sint Niklaas, Flanders, Belgium
AQI Trends: Highest and Lowest
Same Day Analysis (2nd June):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 21 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Jun - 3rd Jun 2026
Sint Niklaas, Flanders, Belgium
5 AM2nd Jun 2026
9 PM
4 AM3rd Jun 2026
28AQI
8AQI
28AQI
18AQI
In the last 24 hours,
Sint Niklaas's AQI reached its highest point of 28 at 1 PM during the Day, while the lowest point, 8, was recorded at 8 PM during the Day between 2nd Jun and 3rd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Sint Niklaas, Flanders, Belgium
13°C11/15°C
10°C7/14°C
11°C7/16°C
14°C11/18°C
15°C10/20°C
13°C9/18°C
9°C7/12°C
9°C5/13°C
10°C5/13°C
8°C5/11°C
8°C4/11°C
9°C3/13°C
12°C9/15°C
11°C9/14°C
11°C7/14°C
14°C10/18°C
16°C10/22°C
19°C13/26°C
22°C16/29°C
21°C15/27°C
22°C15/28°C
23°C16/30°C
21°C16/26°C
20°C13/26°C
23°C18/30°C
21°C16/26°C
18°C15/21°C
18°C13/23°C
17°C14/21°C
15°C12/18°C
33AQI
27AQI
33AQI
29AQI
2026 Days Vs Air Quality
Sint Niklaas, Flanders, Belgium
84%
126
15%
22
1%
2
Total number of days with different AQI categories in last 154 days in 2026 (211 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2026, 84% of 154 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)
43AQI (US)
36AQI (US)
44AQI (US)
28AQI (US)
31AQI (US)
21AQI (US)
No. of days
202636AQI (US)
Highest AQI (US) recorded in
March44AQI (US)
Lowest AQI (US) recorded in
June21AQI (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) (36) shows an average percentage change of -14.08% (improved AQI (US)) compared to previous years: 2020 (44), 2021 (50), 2022 (44), 2023 (37), 2024 (38), 2025 (41).