Westerwald Herdorf, Herdorf, Rhineland Palatinate, 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
Westerwald Herdorf, Herdorf, Rhineland Palatinate, Germany
AQI Trends: Highest and Lowest
Same Day Analysis (17th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 35 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 17th Aug - 18th Aug 2026
Westerwald Herdorf, Herdorf, Rhineland Palatinate, Germany
5 AM17th Aug 2026
9 PM
4 AM18th Aug 2026
69AQI
21AQI
31AQI
21AQI
In the last 24 hours,
Westerwald Herdorf's AQI reached its highest point of 69 at 6 PM during the Day, while the lowest point, 21, was recorded at 6 AM during the Day between 17th Aug and 18th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Westerwald Herdorf, Herdorf, Rhineland Palatinate, Germany
13°C5/20°C
15°C7/23°C
14°C7/18°C
14°C7/22°C
16°C7/24°C
19°C11/27°C
17°C12/24°C
16°C11/21°C
18°C9/27°C
23°C14/32°C
23°C15/36°C
21°C15/28°C
18°C13/24°C
20°C12/28°C
23°C15/33°C
24°C16/32°C
21°C16/28°C
18°C12/23°C
15°C7/23°C
18°C9/26°C
21°C13/31°C
21°C14/28°C
16°C8/25°C
18°C9/28°C
21°C12/31°C
24°C15/34°C
24°C17/35°C
19°C13/25°C
8°C-1/17°C
14°C12/15°C
35AQI
31AQI
37AQI
37AQI
2026 Days Vs Air Quality
Westerwald Herdorf, Herdorf, Rhineland Palatinate, Germany
89%
201
11%
24
0.4%
1
Total number of days with different AQI categories in last 230 days in 2026 (135 days remaining)
Under WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2026, 89% of 230 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
Westerwald Herdorf, Herdorf, Rhineland Palatinate, Germany
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
23AQI (US)
21AQI (US)
23AQI (US)
24AQI (US)
38AQI (US)
49AQI (US)
45AQI (US)
33AQI (US)
11AQI (US)
26AQI (US)
34AQI (US)
46AQI (US)
38AQI (US)
40AQI (US)
34AQI (US)
27AQI (US)
44AQI (US)
42AQI (US)
55AQI (US)
60AQI (US)
66AQI (US)
79AQI (US)
88AQI (US)
83AQI (US)
109AQI (US)
88AQI (US)
53AQI (US)
16AQI (US)
43AQI (US)
46AQI (US)
82AQI (US)
79AQI (US)
54AQI (US)
74AQI (US)
24AQI (US)
54AQI (US)
35AQI (US)
38AQI (US)
35AQI (US)
27AQI (US)
59AQI (US)
20AQI (US)
13AQI (US)
39AQI (US)
49AQI (US)
33AQI (US)
12AQI (US)
20AQI (US)
23AQI (US)
44AQI (US)
66AQI (US)
19AQI (US)
12AQI (US)
13AQI (US)
19AQI (US)
25AQI (US)
35AQI (US)
42AQI (US)
27AQI (US)
17AQI (US)
34AQI (US)
25AQI (US)
46AQI (US)
44AQI (US)
42AQI (US)
54AQI (US)
53AQI (US)
63AQI (US)
59AQI (US)
17AQI (US)
18AQI (US)
32AQI (US)
35AQI (US)
38AQI (US)
19AQI (US)
27AQI (US)
24AQI (US)
65AQI (US)
63AQI (US)
60AQI (US)
48AQI (US)
38AQI (US)
57AQI (US)
42AQI (US)
14AQI (US)
19AQI (US)
17AQI (US)
21AQI (US)
21AQI (US)
28AQI (US)
30AQI (US)
28AQI (US)
37AQI (US)
11AQI (US)
18AQI (US)
25AQI (US)
27AQI (US)
24AQI (US)
23AQI (US)
20AQI (US)
24AQI (US)
16AQI (US)
18AQI (US)
54AQI (US)
22AQI (US)
28AQI (US)
39AQI (US)
25AQI (US)
11AQI (US)
23AQI (US)
21AQI (US)
25AQI (US)
36AQI (US)
19AQI (US)
13AQI (US)
20AQI (US)
18AQI (US)
20AQI (US)
22AQI (US)
23AQI (US)
32AQI (US)
22AQI (US)
31AQI (US)
25AQI (US)
27AQI (US)
14AQI (US)
26AQI (US)
27AQI (US)
10AQI (US)
22AQI (US)
19AQI (US)
32AQI (US)
35AQI (US)
37AQI (US)
34AQI (US)
31AQI (US)
31AQI (US)
31AQI (US)
35AQI (US)
35AQI (US)
50AQI (US)
42AQI (US)
31AQI (US)
21AQI (US)
10AQI (US)
12AQI (US)
32AQI (US)
24AQI (US)
16AQI (US)
13AQI (US)
13AQI (US)
14AQI (US)
12AQI (US)
20AQI (US)
18AQI (US)
15AQI (US)
9AQI (US)
13AQI (US)
16AQI (US)
20AQI (US)
15AQI (US)
17AQI (US)
20AQI (US)
27AQI (US)
33AQI (US)
10AQI (US)
16AQI (US)
24AQI (US)
34AQI (US)
30AQI (US)
23AQI (US)
16AQI (US)
32AQI (US)
37AQI (US)
32AQI (US)
31AQI (US)
21AQI (US)
10AQI (US)
14AQI (US)
13AQI (US)
10AQI (US)
13AQI (US)
10AQI (US)
10AQI (US)
13AQI (US)
19AQI (US)
12AQI (US)
19AQI (US)
25AQI (US)
19AQI (US)
26AQI (US)
19AQI (US)
15AQI (US)
15AQI (US)
32AQI (US)
47AQI (US)
43AQI (US)
28AQI (US)
31AQI (US)
30AQI (US)
28AQI (US)
33AQI (US)
32AQI (US)
30AQI (US)
30AQI (US)
30AQI (US)
28AQI (US)
40AQI (US)
46AQI (US)
42AQI (US)
31AQI (US)
35AQI (US)
37AQI (US)
38AQI (US)
36AQI (US)
31AQI (US)
31AQI (US)
28AQI (US)
32AQI (US)
33AQI (US)
37AQI (US)
34AQI (US)
29AQI (US)
36AQI (US)
45AQI (US)
35AQI (US)
47AQI (US)
35AQI (US)
37AQI (US)
24AQI (US)
27AQI (US)
20AQI (US)
25AQI (US)
35AQI (US)
No. of days
202631AQI (US)
Highest AQI (US) recorded in
January47AQI (US)
Lowest AQI (US) recorded in
June20AQI (US)
202537AQI (US)
Highest AQI (US) recorded in
February57AQI (US)
Lowest AQI (US) recorded in
September23AQI (US)
202427AQI (US)
Highest AQI (US) recorded in
December34AQI (US)
Lowest AQI (US) recorded in
October21AQI (US)
202325AQI (US)
Highest AQI (US) recorded in
June39AQI (US)
Lowest AQI (US) recorded in
January7AQI (US)
20229AQI (US)
Highest AQI (US) recorded in
October18AQI (US)
Lowest AQI (US) recorded in
June6AQI (US)
20218AQI (US)
Highest AQI (US) recorded in
February12AQI (US)
Lowest AQI (US) recorded in
December6AQI (US)
20208AQI (US)
Highest AQI (US) recorded in
March12AQI (US)
Lowest AQI (US) recorded in
May5AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Westerwald Herdorf's annual 2026 AQI (US) (31) shows an average percentage change of 140.3% (worsened AQI (US)) compared to previous years: 2020 (8), 2021 (8), 2022 (9), 2023 (25), 2024 (27), 2025 (37).