Ottweiler, Saarland, 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
Ottweiler, Saarland, Germany
AQI Trends: Highest and Lowest
Same Day Analysis (18th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 17 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 18th Sep - 19th Sep 2025
Ottweiler, Saarland, Germany
6 AM18th Sep 2025
8 PM
5 AM19th Sep 2025
20AQI
17AQI
22AQI
16AQI
In the last 24 hours,
Ottweiler's AQI reached its highest point of 22 at 5 AM during the Night, while the lowest point, 16, was recorded at 6 AM during the Night between 18th Sep and 19th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Ottweiler, Saarland, Germany
20°C16/26°C
19°C13/26°C
15°C10/23°C
13°C8/19°C
15°C7/23°C
16°C7/26°C
21°C10/31°C
21°C15/28°C
17°C13/19°C
16°C12/23°C
14°C11/18°C
17°C11/23°C
15°C13/19°C
16°C10/21°C
18°C13/24°C
17°C13/23°C
14°C9/21°C
15°C9/22°C
17°C10/27°C
17°C14/22°C
14°C9/17°C
14°C9/21°C
14°C10/19°C
13°C9/18°C
14°C10/19°C
14°C10/19°C
18°C16/21°C
14°C12/17°C
12°C9/17°C
16°C11/23°C
--°C/°C
23AQI
21AQI
23AQI
21AQI
2025 Days Vs Air Quality
Ottweiler, Saarland, Germany
95%
107
5%
6
Total number of days with different AQI categories in last 262 days in 2025 (103 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2025, 95% of 262 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Ottweiler, Saarland, Germany
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
21AQI
22AQI
25AQI
25AQI
28AQI
35AQI
29AQI
24AQI
19AQI
17AQI
17AQI
18AQI
34AQI
39AQI
40AQI
48AQI
53AQI
48AQI
37AQI
33AQI
35AQI
39AQI
35AQI
33AQI
31AQI
32AQI
28AQI
27AQI
27AQI
26AQI
23AQI
22AQI
22AQI
24AQI
29AQI
30AQI
29AQI
27AQI
26AQI
22AQI
20AQI
20AQI
22AQI
22AQI
23AQI
23AQI
26AQI
27AQI
26AQI
23AQI
23AQI
25AQI
26AQI
23AQI
19AQI
17AQI
18AQI
19AQI
24AQI
26AQI
26AQI
23AQI
22AQI
23AQI
22AQI
21AQI
20AQI
21AQI
24AQI
22AQI
23AQI
23AQI
26AQI
31AQI
43AQI
43AQI
52AQI
57AQI
61AQI
55AQI
52AQI
30AQI
26AQI
33AQI
44AQI
32AQI
23AQI
23AQI
21AQI
23AQI
34AQI
38AQI
25AQI
18AQI
17AQI
21AQI
16AQI
17AQI
20AQI
18AQI
17AQI
18AQI
23AQI
33AQI
25AQI
20AQI
17AQI
17AQI
16AQI
14AQI
16AQI
17AQI
17AQI
23AQI
31AQI
24AQI
32AQI
19AQI
No. of days
202527AQI
Highest AQI recorded in
August32AQI
Lowest AQI recorded in
September19AQI
Most & Least Polluted Years Over the Last 1 Years
Ottweiler's annual 2025 AQI (27) shows an average percentage change of NaN% (improved AQI) compared to previous years: .