Flensburg, 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
Flensburg, Schleswig Holstein, Germany
AQI Trends: Highest and Lowest
Same Day Analysis (7th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 26 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 7th Aug - 8th Aug 2025
Flensburg, Schleswig Holstein, Germany
5 AM7th Aug 2025
9 PM
4 AM8th Aug 2025
29AQI
23AQI
34AQI
26AQI
In the last 24 hours,
Flensburg's AQI reached its highest point of 34 at 4 AM during the Night, while the lowest point, 23, was recorded at 6 AM during the Day between 7th Aug and 8th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Flensburg, Schleswig Holstein, Germany
16°C10/22°C
17°C11/22°C
19°C12/25°C
18°C14/21°C
17°C13/21°C
19°C15/24°C
16°C13/18°C
17°C11/22°C
20°C14/25°C
20°C16/24°C
21°C16/26°C
21°C18/26°C
19°C16/23°C
16°C15/17°C
18°C16/21°C
20°C16/24°C
18°C14/22°C
18°C13/22°C
18°C13/22°C
17°C13/21°C
16°C12/19°C
15°C13/17°C
16°C12/20°C
17°C13/20°C
17°C13/21°C
15°C15/16°C
17°C15/20°C
15°C12/18°C
15°C12/18°C
16°C12/21°C
--°C/°C
27AQI
25AQI
26AQI
26AQI
2025 Days Vs Air Quality
Flensburg, Schleswig Holstein, Germany
84%
183
15%
32
2%
4
Total number of days with different AQI categories in last 220 days in 2025 (145 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2025, 84% of 220 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
Flensburg, Schleswig Holstein, Germany
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
41AQI
28AQI
43AQI
27AQI
45AQI
23AQI
26AQI
29AQI
52AQI
23AQI
24AQI
29AQI
48AQI
60AQI
35AQI
31AQI
47AQI
60AQI
38AQI
59AQI
77AQI
67AQI
46AQI
38AQI
31AQI
40AQI
27AQI
23AQI
23AQI
27AQI
27AQI
38AQI
46AQI
73AQI
105AQI
58AQI
34AQI
28AQI
62AQI
78AQI
63AQI
52AQI
75AQI
69AQI
41AQI
35AQI
30AQI
39AQI
45AQI
46AQI
56AQI
77AQI
70AQI
47AQI
31AQI
42AQI
49AQI
47AQI
40AQI
42AQI
41AQI
45AQI
53AQI
74AQI
97AQI
88AQI
91AQI
104AQI
107AQI
80AQI
32AQI
27AQI
27AQI
24AQI
26AQI
17AQI
27AQI
43AQI
81AQI
101AQI
56AQI
68AQI
82AQI
72AQI
25AQI
34AQI
72AQI
34AQI
32AQI
20AQI
24AQI
34AQI
26AQI
35AQI
16AQI
14AQI
22AQI
36AQI
33AQI
46AQI
40AQI
41AQI
52AQI
50AQI
54AQI
59AQI
37AQI
20AQI
23AQI
33AQI
42AQI
45AQI
36AQI
34AQI
37AQI
27AQI
19AQI
30AQI
37AQI
22AQI
29AQI
37AQI
17AQI
19AQI
16AQI
20AQI
16AQI
18AQI
23AQI
25AQI
21AQI
17AQI
21AQI
28AQI
19AQI
25AQI
22AQI
19AQI
20AQI
27AQI
39AQI
22AQI
17AQI
24AQI
28AQI
22AQI
23AQI
15AQI
18AQI
27AQI
24AQI
24AQI
29AQI
27AQI
26AQI
22AQI
19AQI
16AQI
17AQI
21AQI
47AQI
31AQI
27AQI
23AQI
26AQI
35AQI
27AQI
30AQI
35AQI
24AQI
21AQI
22AQI
22AQI
32AQI
25AQI
22AQI
20AQI
23AQI
25AQI
24AQI
25AQI
22AQI
29AQI
25AQI
20AQI
19AQI
20AQI
18AQI
18AQI
19AQI
19AQI
19AQI
22AQI
23AQI
30AQI
34AQI
24AQI
28AQI
34AQI
35AQI
36AQI
32AQI
21AQI
21AQI
31AQI
38AQI
30AQI
32AQI
22AQI
20AQI
21AQI
24AQI
21AQI
21AQI
21AQI
21AQI
24AQI
23AQI
26AQI
39AQI
53AQI
56AQI
34AQI
23AQI
26AQI
25AQI
22AQI
No. of days
202536AQI
Highest AQI recorded in
March56AQI
Lowest AQI recorded in
August22AQI
202430AQI
Highest AQI recorded in
March51AQI
Lowest AQI recorded in
July15AQI
202329AQI
Highest AQI recorded in
February57AQI
Lowest AQI recorded in
July19AQI
202233AQI
Highest AQI recorded in
March50AQI
Lowest AQI recorded in
July22AQI
202136AQI
Highest AQI recorded in
February47AQI
Lowest AQI recorded in
August23AQI
202036AQI
Highest AQI recorded in
December60AQI
Lowest AQI recorded in
July22AQI
Most & Least Polluted Years Over the Last 6 Years
Flensburg's annual 2025 AQI (36) shows an average percentage change of 10.2% (worsened AQI) compared to previous years: 2020 (36), 2021 (36), 2022 (33), 2023 (29), 2024 (30).