Dortmund, 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
Dortmund, North Rhine Westphalia, Germany
AQI Trends: Highest and Lowest
Same Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 23 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Aug - 6th Aug 2025
Dortmund, North Rhine Westphalia, Germany
5 AM5th Aug 2025
9 PM
4 AM6th Aug 2025
AQI
AQI
26AQI
21AQI
In the last 24 hours,
Dortmund's AQI reached its highest point of 26 at 8 AM during the Night, while the lowest point, undefined, was recorded at 4 AM during the Night between 5th Aug and 6th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Dortmund, North Rhine Westphalia, Germany
16°C13/18°C
15°C10/19°C
17°C12/22°C
19°C13/24°C
18°C16/22°C
20°C15/26°C
20°C17/26°C
20°C16/25°C
19°C14/24°C
16°C14/19°C
18°C13/24°C
21°C15/27°C
24°C17/32°C
22°C18/30°C
20°C16/25°C
18°C14/22°C
18°C14/22°C
20°C15/26°C
20°C16/24°C
21°C16/26°C
18°C16/22°C
17°C13/22°C
17°C12/23°C
18°C14/22°C
17°C14/22°C
17°C13/21°C
15°C12/19°C
18°C13/24°C
20°C16/26°C
--°C/°C
--°C/°C
30AQI
30AQI
30AQI
30AQI
2025 Days Vs Air Quality
Dortmund, North Rhine Westphalia, Germany
66%
142
32%
69
2%
5
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 66%
Health Risk Level:
Moderate
In 2025, 66% of 217 days were within WHO’s safe air quality limits, and 34% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Dortmund, North Rhine Westphalia, Germany
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
48AQI
32AQI
46AQI
51AQI
45AQI
22AQI
21AQI
24AQI
28AQI
48AQI
67AQI
73AQI
56AQI
55AQI
67AQI
62AQI
59AQI
68AQI
81AQI
90AQI
87AQI
81AQI
56AQI
34AQI
22AQI
38AQI
22AQI
23AQI
21AQI
24AQI
42AQI
62AQI
66AQI
74AQI
83AQI
68AQI
74AQI
57AQI
71AQI
96AQI
115AQI
109AQI
70AQI
107AQI
114AQI
76AQI
56AQI
59AQI
68AQI
66AQI
64AQI
63AQI
52AQI
46AQI
29AQI
32AQI
51AQI
36AQI
44AQI
48AQI
63AQI
64AQI
71AQI
80AQI
67AQI
59AQI
66AQI
90AQI
98AQI
108AQI
72AQI
58AQI
43AQI
44AQI
57AQI
38AQI
31AQI
45AQI
58AQI
60AQI
58AQI
64AQI
60AQI
98AQI
93AQI
50AQI
79AQI
60AQI
39AQI
33AQI
32AQI
31AQI
49AQI
53AQI
55AQI
25AQI
21AQI
32AQI
52AQI
49AQI
63AQI
69AQI
41AQI
53AQI
54AQI
35AQI
46AQI
30AQI
31AQI
63AQI
44AQI
34AQI
48AQI
41AQI
56AQI
59AQI
33AQI
34AQI
51AQI
45AQI
50AQI
50AQI
54AQI
34AQI
24AQI
23AQI
31AQI
29AQI
23AQI
25AQI
29AQI
21AQI
27AQI
38AQI
39AQI
28AQI
40AQI
42AQI
38AQI
36AQI
39AQI
40AQI
28AQI
30AQI
23AQI
27AQI
27AQI
19AQI
22AQI
23AQI
41AQI
36AQI
44AQI
31AQI
43AQI
25AQI
18AQI
17AQI
19AQI
25AQI
54AQI
47AQI
42AQI
50AQI
56AQI
51AQI
36AQI
43AQI
45AQI
47AQI
29AQI
29AQI
28AQI
39AQI
28AQI
29AQI
30AQI
28AQI
32AQI
29AQI
27AQI
28AQI
39AQI
39AQI
25AQI
26AQI
24AQI
21AQI
23AQI
27AQI
30AQI
26AQI
24AQI
31AQI
47AQI
50AQI
32AQI
33AQI
37AQI
41AQI
37AQI
24AQI
20AQI
25AQI
31AQI
37AQI
34AQI
48AQI
32AQI
31AQI
28AQI
26AQI
25AQI
22AQI
22AQI
23AQI
48AQI
68AQI
63AQI
44AQI
32AQI
35AQI
31AQI
23AQI
No. of days
202545AQI
Highest AQI recorded in
February68AQI
Lowest AQI recorded in
August23AQI
202439AQI
Highest AQI recorded in
August48AQI
Lowest AQI recorded in
April29AQI
202337AQI
Highest AQI recorded in
February71AQI
Lowest AQI recorded in
March26AQI
202242AQI
Highest AQI recorded in
March64AQI
Lowest AQI recorded in
August27AQI
202138AQI
Highest AQI recorded in
November50AQI
Lowest AQI recorded in
January30AQI
202028AQI
Highest AQI recorded in
November37AQI
Lowest AQI recorded in
July21AQI
Most & Least Polluted Years Over the Last 6 Years
Dortmund's annual 2025 AQI (45) shows an average percentage change of 25.4% (worsened AQI) compared to previous years: 2020 (28), 2021 (38), 2022 (42), 2023 (37), 2024 (39).