Krefeld Linn, Krefeld, North Rhine Westphalia, 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
Krefeld Linn, Krefeld, North Rhine Westphalia, Germany
AQI Trends: Highest and Lowest
Same Day Analysis (11th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 41 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 11th Aug - 12th Aug 2025
Krefeld Linn, Krefeld, North Rhine Westphalia, Germany
5 AM11th Aug 2025
9 PM
4 AM12th Aug 2025
57AQI
37AQI
48AQI
36AQI
In the last 24 hours,
Krefeld Linn's AQI reached its highest point of 57 at 10 AM during the Day, while the lowest point, 36, was recorded at 5 AM during the Night between 11th Aug and 12th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Krefeld Linn, Krefeld, North Rhine Westphalia, Germany
21°C16/26°C
20°C16/24°C
20°C14/25°C
18°C15/21°C
19°C13/26°C
22°C16/28°C
24°C18/32°C
21°C17/29°C
20°C16/26°C
19°C14/23°C
19°C14/23°C
20°C15/25°C
20°C16/25°C
21°C15/26°C
19°C16/23°C
18°C13/24°C
17°C12/23°C
18°C12/24°C
18°C14/23°C
17°C13/22°C
16°C13/20°C
19°C13/25°C
21°C16/27°C
19°C15/23°C
18°C12/24°C
20°C15/26°C
21°C17/27°C
22°C16/29°C
21°C14/28°C
23°C16/30°C
--°C/°C
28AQI
28AQI
28AQI
28AQI
2025 Days Vs Air Quality
Krefeld Linn, Krefeld, North Rhine Westphalia, Germany
70%
157
27%
61
2%
5
Total number of days with different AQI categories in last 224 days in 2025 (141 days remaining)
Under WHO’s Safe Air Quality Limits: 70%
Health Risk Level:
Low
In 2025, 70% of 224 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
Krefeld Linn, Krefeld, North Rhine Westphalia, Germany
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
28AQI
26AQI
30AQI
48AQI
43AQI
25AQI
26AQI
22AQI
26AQI
42AQI
71AQI
69AQI
53AQI
60AQI
74AQI
58AQI
60AQI
65AQI
79AQI
87AQI
91AQI
77AQI
59AQI
37AQI
24AQI
32AQI
26AQI
26AQI
23AQI
28AQI
43AQI
55AQI
53AQI
72AQI
84AQI
73AQI
74AQI
59AQI
71AQI
90AQI
122AQI
106AQI
58AQI
107AQI
128AQI
88AQI
52AQI
60AQI
70AQI
68AQI
72AQI
68AQI
56AQI
43AQI
28AQI
32AQI
49AQI
29AQI
36AQI
47AQI
64AQI
62AQI
72AQI
77AQI
67AQI
62AQI
68AQI
77AQI
95AQI
105AQI
62AQI
43AQI
35AQI
43AQI
57AQI
39AQI
30AQI
38AQI
56AQI
59AQI
45AQI
32AQI
47AQI
100AQI
85AQI
50AQI
78AQI
59AQI
35AQI
30AQI
32AQI
32AQI
49AQI
53AQI
52AQI
25AQI
21AQI
30AQI
54AQI
50AQI
57AQI
67AQI
43AQI
54AQI
48AQI
39AQI
37AQI
25AQI
31AQI
57AQI
46AQI
36AQI
45AQI
48AQI
60AQI
60AQI
32AQI
35AQI
49AQI
46AQI
48AQI
51AQI
60AQI
37AQI
23AQI
23AQI
32AQI
32AQI
23AQI
23AQI
21AQI
20AQI
26AQI
38AQI
42AQI
30AQI
38AQI
42AQI
37AQI
32AQI
35AQI
37AQI
25AQI
24AQI
24AQI
25AQI
26AQI
17AQI
22AQI
25AQI
43AQI
39AQI
39AQI
32AQI
41AQI
22AQI
18AQI
16AQI
19AQI
25AQI
50AQI
49AQI
45AQI
48AQI
56AQI
51AQI
36AQI
36AQI
39AQI
41AQI
34AQI
30AQI
29AQI
34AQI
27AQI
25AQI
26AQI
23AQI
23AQI
20AQI
24AQI
27AQI
33AQI
35AQI
26AQI
22AQI
20AQI
19AQI
21AQI
23AQI
25AQI
24AQI
23AQI
25AQI
34AQI
37AQI
29AQI
27AQI
28AQI
34AQI
33AQI
22AQI
17AQI
18AQI
24AQI
29AQI
29AQI
39AQI
28AQI
28AQI
28AQI
24AQI
24AQI
21AQI
22AQI
23AQI
23AQI
24AQI
27AQI
28AQI
35AQI
36AQI
41AQI
47AQI
68AQI
59AQI
44AQI
32AQI
33AQI
27AQI
28AQI
No. of days
202543AQI
Highest AQI recorded in
February68AQI
Lowest AQI recorded in
July27AQI
202428AQI
Highest AQI recorded in
December39AQI
Lowest AQI recorded in
February22AQI
202325AQI
Highest AQI recorded in
June37AQI
Lowest AQI recorded in
October19AQI
202225AQI
Highest AQI recorded in
May29AQI
Lowest AQI recorded in
November17AQI
202123AQI
Highest AQI recorded in
June33AQI
Lowest AQI recorded in
January18AQI
202023AQI
Highest AQI recorded in
June30AQI
Lowest AQI recorded in
December14AQI
Most & Least Polluted Years Over the Last 6 Years
Krefeld Linn's annual 2025 AQI (43) shows an average percentage change of 74.3% (worsened AQI) compared to previous years: 2020 (23), 2021 (23), 2022 (25), 2023 (25), 2024 (28).