Karlsruhe, Baden Wurttemberg, 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
Karlsruhe, Baden Wurttemberg, Germany
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 21 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: 2nd Aug - 3rd Aug 2025
Karlsruhe, Baden Wurttemberg, Germany
5 AM2nd Aug 2025
9 PM
4 AM3rd Aug 2025
25AQI
19AQI
25AQI
20AQI
In the last 24 hours,
Karlsruhe's AQI reached its highest point of 25 at 8 AM during the Day, while the lowest point, 19, was recorded at 10 AM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Karlsruhe, Baden Wurttemberg, Germany
21°C14/29°C
23°C15/30°C
19°C13/25°C
16°C14/20°C
14°C12/17°C
17°C11/22°C
20°C12/27°C
20°C14/26°C
20°C14/26°C
23°C15/31°C
22°C17/27°C
21°C17/26°C
17°C14/20°C
19°C12/27°C
21°C14/28°C
23°C16/33°C
22°C16/31°C
19°C15/25°C
17°C15/22°C
19°C13/25°C
19°C15/25°C
19°C14/26°C
20°C15/26°C
18°C16/22°C
17°C14/20°C
18°C13/24°C
17°C14/21°C
18°C13/24°C
18°C15/22°C
16°C14/21°C
--°C/°C
27AQI
27AQI
28AQI
25AQI
2025 Days Vs Air Quality
Karlsruhe, Baden Wurttemberg, Germany
73%
156
26%
55
1%
3
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 73%
Health Risk Level:
Low
In 2025, 73% of 215 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
Karlsruhe, Baden Wurttemberg, Germany
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
86AQI
40AQI
33AQI
37AQI
50AQI
29AQI
26AQI
23AQI
25AQI
24AQI
48AQI
61AQI
52AQI
57AQI
78AQI
79AQI
60AQI
64AQI
84AQI
97AQI
88AQI
80AQI
71AQI
35AQI
34AQI
30AQI
27AQI
23AQI
24AQI
26AQI
24AQI
43AQI
49AQI
67AQI
74AQI
76AQI
77AQI
54AQI
77AQI
102AQI
128AQI
121AQI
80AQI
59AQI
87AQI
94AQI
71AQI
61AQI
66AQI
78AQI
89AQI
85AQI
67AQI
44AQI
36AQI
40AQI
25AQI
28AQI
27AQI
44AQI
37AQI
50AQI
55AQI
65AQI
70AQI
62AQI
70AQI
89AQI
80AQI
55AQI
81AQI
70AQI
58AQI
63AQI
60AQI
59AQI
35AQI
43AQI
57AQI
51AQI
38AQI
43AQI
27AQI
50AQI
76AQI
45AQI
51AQI
58AQI
44AQI
30AQI
26AQI
33AQI
47AQI
47AQI
44AQI
25AQI
18AQI
23AQI
32AQI
46AQI
59AQI
52AQI
41AQI
37AQI
35AQI
32AQI
29AQI
40AQI
30AQI
31AQI
19AQI
18AQI
27AQI
24AQI
28AQI
43AQI
33AQI
25AQI
32AQI
38AQI
43AQI
46AQI
46AQI
38AQI
23AQI
21AQI
21AQI
28AQI
30AQI
26AQI
28AQI
21AQI
25AQI
38AQI
41AQI
25AQI
31AQI
42AQI
35AQI
27AQI
32AQI
36AQI
30AQI
22AQI
23AQI
21AQI
24AQI
20AQI
20AQI
25AQI
32AQI
33AQI
34AQI
35AQI
33AQI
23AQI
18AQI
16AQI
19AQI
23AQI
47AQI
54AQI
49AQI
54AQI
57AQI
58AQI
40AQI
35AQI
38AQI
49AQI
48AQI
40AQI
40AQI
45AQI
39AQI
32AQI
33AQI
31AQI
27AQI
25AQI
27AQI
31AQI
39AQI
43AQI
42AQI
37AQI
32AQI
25AQI
21AQI
21AQI
25AQI
28AQI
26AQI
29AQI
31AQI
31AQI
33AQI
28AQI
26AQI
31AQI
30AQI
24AQI
18AQI
16AQI
19AQI
23AQI
28AQI
31AQI
27AQI
28AQI
27AQI
24AQI
22AQI
21AQI
49AQI
68AQI
55AQI
34AQI
30AQI
37AQI
28AQI
22AQI
No. of days
202542AQI
Highest AQI recorded in
February68AQI
Lowest AQI recorded in
August22AQI
202436AQI
Highest AQI recorded in
January51AQI
Lowest AQI recorded in
October30AQI
202336AQI
Highest AQI recorded in
February50AQI
Lowest AQI recorded in
November24AQI
202243AQI
Highest AQI recorded in
March71AQI
Lowest AQI recorded in
September27AQI
202140AQI
Highest AQI recorded in
February55AQI
Lowest AQI recorded in
August28AQI
202039AQI
Highest AQI recorded in
March53AQI
Lowest AQI recorded in
October29AQI
Most & Least Polluted Years Over the Last 6 Years
Karlsruhe's annual 2025 AQI (42) shows an average percentage change of 10.2% (worsened AQI) compared to previous years: 2020 (39), 2021 (40), 2022 (43), 2023 (36), 2024 (36).