Bielefeld Herforder Strasse, Bielefeld, 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
Bielefeld Herforder Strasse, Bielefeld, North Rhine Westphalia, Germany
AQI Trends: Highest and Lowest
Same Day Analysis (17th August):
On this day, AQI across the 3 years varied significantly: 2026 ranks 3rd highest AQI at 24 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 16th Aug - 17th Aug 2026
Bielefeld Herforder Strasse, Bielefeld, North Rhine Westphalia, Germany
5 AM16th Aug 2026
9 PM
4 AM17th Aug 2026
32AQI
8AQI
31AQI
10AQI
In the last 24 hours,
Bielefeld Herforder Strasse's AQI reached its highest point of 32 at 1 PM during the Day, while the lowest point, 8, was recorded at 7 AM during the Day between 16th Aug and 17th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Bielefeld Herforder Strasse, Bielefeld, North Rhine Westphalia, Germany
15°C11/21°C
15°C11/19°C
16°C10/22°C
15°C10/19°C
15°C12/20°C
17°C9/24°C
20°C14/27°C
19°C16/23°C
17°C14/21°C
19°C11/27°C
25°C18/32°C
26°C19/37°C
22°C17/29°C
18°C13/24°C
20°C13/26°C
24°C16/31°C
26°C20/33°C
23°C19/29°C
20°C15/25°C
16°C11/21°C
19°C11/26°C
24°C16/32°C
22°C15/28°C
17°C10/23°C
18°C10/27°C
23°C15/32°C
27°C18/36°C
26°C19/34°C
18°C14/24°C
9°C-2/19°C
32AQI
28AQI
36AQI
32AQI
2026 Days Vs Air Quality
Bielefeld Herforder Strasse, Bielefeld, North Rhine Westphalia, Germany
78%
177
18%
40
4%
9
Total number of days with different AQI categories in last 229 days in 2026 (136 days remaining)
Under WHO’s Safe Air Quality Limits: 78%
Health Risk Level:
Low
In 2026, 78% of 229 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
Bielefeld Herforder Strasse, Bielefeld, North Rhine Westphalia, Germany
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
48AQI (US)
11AQI (US)
20AQI (US)
23AQI (US)
39AQI (US)
63AQI (US)
34AQI (US)
37AQI (US)
25AQI (US)
41AQI (US)
58AQI (US)
42AQI (US)
30AQI (US)
21AQI (US)
31AQI (US)
20AQI (US)
41AQI (US)
61AQI (US)
63AQI (US)
76AQI (US)
71AQI (US)
99AQI (US)
107AQI (US)
140AQI (US)
127AQI (US)
82AQI (US)
45AQI (US)
60AQI (US)
83AQI (US)
86AQI (US)
85AQI (US)
108AQI (US)
106AQI (US)
107AQI (US)
102AQI (US)
103AQI (US)
65AQI (US)
77AQI (US)
31AQI (US)
36AQI (US)
61AQI (US)
36AQI (US)
21AQI (US)
39AQI (US)
72AQI (US)
42AQI (US)
24AQI (US)
31AQI (US)
71AQI (US)
48AQI (US)
59AQI (US)
28AQI (US)
20AQI (US)
25AQI (US)
39AQI (US)
34AQI (US)
39AQI (US)
43AQI (US)
23AQI (US)
12AQI (US)
28AQI (US)
60AQI (US)
80AQI (US)
79AQI (US)
70AQI (US)
84AQI (US)
103AQI (US)
88AQI (US)
83AQI (US)
17AQI (US)
29AQI (US)
12AQI (US)
14AQI (US)
46AQI (US)
13AQI (US)
25AQI (US)
43AQI (US)
79AQI (US)
73AQI (US)
44AQI (US)
74AQI (US)
72AQI (US)
77AQI (US)
32AQI (US)
13AQI (US)
28AQI (US)
15AQI (US)
21AQI (US)
18AQI (US)
25AQI (US)
21AQI (US)
33AQI (US)
20AQI (US)
18AQI (US)
22AQI (US)
24AQI (US)
28AQI (US)
13AQI (US)
20AQI (US)
24AQI (US)
31AQI (US)
16AQI (US)
34AQI (US)
61AQI (US)
57AQI (US)
37AQI (US)
46AQI (US)
18AQI (US)
18AQI (US)
38AQI (US)
25AQI (US)
32AQI (US)
47AQI (US)
22AQI (US)
21AQI (US)
11AQI (US)
16AQI (US)
21AQI (US)
12AQI (US)
16AQI (US)
33AQI (US)
31AQI (US)
56AQI (US)
24AQI (US)
41AQI (US)
22AQI (US)
55AQI (US)
13AQI (US)
12AQI (US)
18AQI (US)
27AQI (US)
23AQI (US)
35AQI (US)
38AQI (US)
33AQI (US)
32AQI (US)
31AQI (US)
33AQI (US)
33AQI (US)
36AQI (US)
51AQI (US)
42AQI (US)
32AQI (US)
29AQI (US)
15AQI (US)
21AQI (US)
18AQI (US)
39AQI (US)
31AQI (US)
17AQI (US)
15AQI (US)
15AQI (US)
18AQI (US)
20AQI (US)
21AQI (US)
20AQI (US)
17AQI (US)
20AQI (US)
19AQI (US)
21AQI (US)
27AQI (US)
14AQI (US)
14AQI (US)
37AQI (US)
64AQI (US)
16AQI (US)
25AQI (US)
24AQI (US)
29AQI (US)
20AQI (US)
22AQI (US)
40AQI (US)
55AQI (US)
53AQI (US)
75AQI (US)
39AQI (US)
17AQI (US)
17AQI (US)
19AQI (US)
12AQI (US)
24AQI (US)
16AQI (US)
12AQI (US)
14AQI (US)
18AQI (US)
12AQI (US)
12AQI (US)
22AQI (US)
23AQI (US)
15AQI (US)
22AQI (US)
26AQI (US)
24AQI (US)
40AQI (US)
47AQI (US)
47AQI (US)
19AQI (US)
26AQI (US)
29AQI (US)
30AQI (US)
27AQI (US)
29AQI (US)
28AQI (US)
34AQI (US)
24AQI (US)
28AQI (US)
30AQI (US)
45AQI (US)
53AQI (US)
22AQI (US)
23AQI (US)
36AQI (US)
28AQI (US)
36AQI (US)
30AQI (US)
28AQI (US)
27AQI (US)
34AQI (US)
33AQI (US)
28AQI (US)
35AQI (US)
37AQI (US)
32AQI (US)
43AQI (US)
20AQI (US)
24AQI (US)
57AQI (US)
53AQI (US)
47AQI (US)
28AQI (US)
30AQI (US)
27AQI (US)
26AQI (US)
30AQI (US)
No. of days
202638AQI (US)
Highest AQI (US) recorded in
January57AQI (US)
Lowest AQI (US) recorded in
July26AQI (US)
202540AQI (US)
Highest AQI (US) recorded in
February69AQI (US)
Lowest AQI (US) recorded in
September26AQI (US)
202434AQI (US)
Highest AQI (US) recorded in
September43AQI (US)
Lowest AQI (US) recorded in
January28AQI (US)
202323AQI (US)
Highest AQI (US) recorded in
December23AQI (US)
Lowest AQI (US) recorded in
November22AQI (US)
202020AQI (US)
Highest AQI (US) recorded in
March27AQI (US)
Lowest AQI (US) recorded in
May14AQI (US)
Most & Least Polluted Years Over the Last 5 Years
Bielefeld Herforder Strasse's annual 2026 AQI (US) (38) shows an average percentage change of 40.4% (worsened AQI (US)) compared to previous years: 2020 (20), 2023 (23), 2024 (34), 2025 (40).