Westerland, Sylt, Schleswig Holstein, Germany 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
Westerland, Sylt, Schleswig Holstein, Germany
AQI Trends: Highest and Lowest
Same Day Analysis (4th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 22 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Westerland, Sylt, Schleswig Holstein, Germany
5 AM5th Aug 2025
9 PM
4 AM6th Aug 2025
26AQI
22AQI
26AQI
20AQI
In the last 24 hours,
Westerland's AQI reached its highest point of 26 at 9 AM during the Day, while the lowest point, 20, was recorded at 4 AM during the Night between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Westerland, Sylt, Schleswig Holstein, Germany
16°C15/16°C
16°C15/17°C
17°C16/17°C
17°C16/17°C
17°C17/17°C
18°C17/19°C
18°C16/19°C
18°C17/20°C
18°C17/19°C
17°C17/18°C
18°C18/18°C
18°C18/18°C
20°C18/23°C
20°C19/21°C
19°C18/19°C
17°C17/18°C
18°C18/19°C
19°C19/19°C
18°C17/18°C
18°C18/18°C
17°C17/18°C
18°C17/18°C
17°C17/18°C
17°C16/18°C
18°C17/19°C
18°C17/18°C
18°C16/18°C
17°C16/18°C
18°C17/18°C
17°C16/16°C
--°C/°C
25AQI
23AQI
26AQI
23AQI
2025 Days Vs Air Quality
Westerland, Sylt, Schleswig Holstein, Germany
100%
68
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Under WHO’s Safe Air Quality Limits: 100%
Health Risk Level:
Very Low
In 2025, 100% of 218 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
Westerland, Sylt, Schleswig Holstein, Germany
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
20AQI
22AQI
22AQI
21AQI
23AQI
23AQI
23AQI
21AQI
19AQI
18AQI
19AQI
22AQI
36AQI
27AQI
27AQI
27AQI
28AQI
30AQI
26AQI
26AQI
27AQI
24AQI
21AQI
20AQI
21AQI
23AQI
21AQI
19AQI
19AQI
19AQI
20AQI
20AQI
20AQI
20AQI
23AQI
22AQI
19AQI
18AQI
18AQI
18AQI
18AQI
17AQI
18AQI
18AQI
20AQI
21AQI
23AQI
27AQI
21AQI
24AQI
35AQI
35AQI
32AQI
30AQI
24AQI
21AQI
29AQI
31AQI
27AQI
29AQI
24AQI
21AQI
20AQI
21AQI
22AQI
21AQI
21AQI
22AQI
21AQI
23AQI
23AQI
22AQI
No. of days
202523AQI
Highest AQI recorded in
July23AQI
Lowest AQI recorded in
May21AQI
Most & Least Polluted Years Over the Last 1 Years
Westerland's annual 2025 AQI (23) shows an average percentage change of NaN% (improved AQI) compared to previous years: .