Hagen, 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!
September Air Quality Analysis
Hagen, North Rhine Westphalia, Germany
AQI Trends: Highest and Lowest
Same Day Analysis (15th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 16 of Good air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 15th Sep - 16th Sep 2025
Hagen, North Rhine Westphalia, Germany
6 AM15th Sep 2025
8 PM
5 AM16th Sep 2025
17AQI
13AQI
20AQI
14AQI
In the last 24 hours,
Hagen's AQI reached its highest point of 20 at 4 AM during the Night, while the lowest point, 13, was recorded at 8 AM during the Day between 15th Sep and 16th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Hagen, North Rhine Westphalia, Germany
14°C10/17°C
19°C13/26°C
21°C14/29°C
18°C13/24°C
17°C12/22°C
14°C10/19°C
14°C10/18°C
15°C10/21°C
16°C9/22°C
19°C12/27°C
20°C15/26°C
18°C14/24°C
17°C13/24°C
16°C12/20°C
17°C14/22°C
17°C14/21°C
17°C12/21°C
18°C15/22°C
19°C15/23°C
16°C12/19°C
17°C11/23°C
19°C14/25°C
17°C15/20°C
13°C11/15°C
15°C10/20°C
15°C12/19°C
13°C10/17°C
13°C10/17°C
14°C9/18°C
17°C14/20°C
--°C/°C
27AQI
24AQI
27AQI
25AQI
2025 Days Vs Air Quality
Hagen, North Rhine Westphalia, Germany
71%
184
27%
70
2%
4
Total number of days with different AQI categories in last 259 days in 2025 (106 days remaining)
Under WHO’s Safe Air Quality Limits: 71%
Health Risk Level:
Low
In 2025, 71% of 259 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
Hagen, North Rhine Westphalia, Germany
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
41AQI
30AQI
44AQI
47AQI
46AQI
20AQI
20AQI
22AQI
26AQI
44AQI
69AQI
75AQI
54AQI
56AQI
66AQI
55AQI
56AQI
68AQI
82AQI
90AQI
78AQI
70AQI
55AQI
34AQI
21AQI
33AQI
18AQI
20AQI
20AQI
24AQI
42AQI
58AQI
59AQI
65AQI
77AQI
69AQI
69AQI
58AQI
71AQI
86AQI
114AQI
106AQI
61AQI
102AQI
120AQI
81AQI
53AQI
60AQI
70AQI
63AQI
65AQI
67AQI
55AQI
52AQI
32AQI
37AQI
50AQI
37AQI
43AQI
53AQI
62AQI
60AQI
57AQI
59AQI
57AQI
58AQI
59AQI
79AQI
86AQI
100AQI
76AQI
58AQI
50AQI
46AQI
60AQI
43AQI
32AQI
43AQI
54AQI
55AQI
52AQI
59AQI
59AQI
98AQI
93AQI
49AQI
74AQI
60AQI
37AQI
32AQI
33AQI
30AQI
48AQI
53AQI
53AQI
25AQI
21AQI
26AQI
47AQI
49AQI
62AQI
63AQI
40AQI
58AQI
48AQI
34AQI
46AQI
30AQI
32AQI
57AQI
37AQI
31AQI
42AQI
35AQI
51AQI
55AQI
31AQI
29AQI
45AQI
42AQI
40AQI
43AQI
57AQI
40AQI
24AQI
23AQI
31AQI
29AQI
21AQI
22AQI
24AQI
21AQI
25AQI
34AQI
39AQI
27AQI
39AQI
45AQI
39AQI
30AQI
37AQI
38AQI
27AQI
28AQI
26AQI
29AQI
29AQI
19AQI
23AQI
25AQI
40AQI
37AQI
42AQI
33AQI
49AQI
27AQI
19AQI
19AQI
19AQI
26AQI
50AQI
49AQI
43AQI
49AQI
55AQI
54AQI
39AQI
43AQI
43AQI
46AQI
35AQI
31AQI
31AQI
37AQI
29AQI
28AQI
28AQI
27AQI
29AQI
27AQI
28AQI
28AQI
33AQI
38AQI
29AQI
26AQI
25AQI
23AQI
23AQI
27AQI
31AQI
29AQI
26AQI
29AQI
41AQI
45AQI
35AQI
32AQI
34AQI
38AQI
34AQI
23AQI
19AQI
21AQI
26AQI
35AQI
34AQI
49AQI
32AQI
30AQI
31AQI
26AQI
25AQI
23AQI
22AQI
23AQI
25AQI
25AQI
28AQI
31AQI
38AQI
39AQI
45AQI
48AQI
58AQI
62AQI
64AQI
55AQI
42AQI
26AQI
30AQI
36AQI
35AQI
25AQI
25AQI
23AQI
22AQI
29AQI
38AQI
44AQI
29AQI
19AQI
19AQI
17AQI
18AQI
17AQI
21AQI
20AQI
21AQI
23AQI
26AQI
38AQI
32AQI
23AQI
18AQI
18AQI
18AQI
16AQI
46AQI
67AQI
60AQI
42AQI
31AQI
36AQI
31AQI
34AQI
22AQI
No. of days
202542AQI
Highest AQI recorded in
February67AQI
Lowest AQI recorded in
September22AQI
202438AQI
Highest AQI recorded in
January46AQI
Lowest AQI recorded in
April30AQI
202338AQI
Highest AQI recorded in
February70AQI
Lowest AQI recorded in
March24AQI
202242AQI
Highest AQI recorded in
March64AQI
Lowest AQI recorded in
July30AQI
202135AQI
Highest AQI recorded in
November51AQI
Lowest AQI recorded in
January18AQI
202019AQI
Highest AQI recorded in
March29AQI
Lowest AQI recorded in
July15AQI
Most & Least Polluted Years Over the Last 6 Years
Hagen's annual 2025 AQI (42) shows an average percentage change of 32.3% (worsened AQI) compared to previous years: 2020 (19), 2021 (35), 2022 (42), 2023 (38), 2024 (38).