Oldenburg, Lower Saxony, Germany Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Oldenburg, Lower Saxony, Germany
AQI Trends: Highest and Lowest
Same Day Analysis (6th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 44 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 6th Oct - 7th Oct 2025
Oldenburg, Lower Saxony, Germany
7 AM6th Oct 2025
7 PM
6 AM7th Oct 2025
55AQI
39AQI
49AQI
49AQI
In the last 24 hours,
Oldenburg's AQI reached its highest point of 55 at 11 AM during the Day, while the lowest point, undefined, was recorded at 6 AM during the Night between 6th Oct and 7th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Oldenburg, Lower Saxony, Germany
19°C13/25°C
18°C14/24°C
17°C12/23°C
14°C10/19°C
15°C12/20°C
14°C11/19°C
13°C10/18°C
14°C9/19°C
17°C12/20°C
14°C11/18°C
14°C11/19°C
18°C15/21°C
19°C15/25°C
20°C16/29°C
16°C10/18°C
12°C9/16°C
12°C7/16°C
11°C6/17°C
12°C8/17°C
12°C9/15°C
13°C9/18°C
15°C12/18°C
14°C11/16°C
13°C10/17°C
10°C5/16°C
10°C4/16°C
11°C6/16°C
11°C9/14°C
11°C10/14°C
13°C10/15°C
--°C/°C
32AQI
28AQI
31AQI
29AQI
2025 Days Vs Air Quality
Oldenburg, Lower Saxony, Germany
78%
218
21%
58
1%
3
Total number of days with different AQI categories in last 280 days in 2025 (85 days remaining)
Under WHO’s Safe Air Quality Limits: 78%
Health Risk Level:
Low
In 2025, 78% of 280 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
Oldenburg, Lower Saxony, Germany
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
41AQI
26AQI
28AQI
38AQI
48AQI
25AQI
25AQI
29AQI
50AQI
24AQI
28AQI
36AQI
62AQI
67AQI
42AQI
40AQI
55AQI
55AQI
61AQI
64AQI
81AQI
75AQI
54AQI
33AQI
31AQI
39AQI
27AQI
25AQI
22AQI
37AQI
31AQI
72AQI
60AQI
80AQI
96AQI
70AQI
54AQI
33AQI
79AQI
98AQI
99AQI
100AQI
113AQI
121AQI
67AQI
71AQI
52AQI
50AQI
53AQI
52AQI
66AQI
72AQI
67AQI
52AQI
29AQI
46AQI
47AQI
39AQI
41AQI
39AQI
44AQI
57AQI
77AQI
98AQI
87AQI
75AQI
84AQI
95AQI
127AQI
76AQI
34AQI
29AQI
27AQI
32AQI
29AQI
21AQI
30AQI
50AQI
71AQI
93AQI
67AQI
73AQI
93AQI
83AQI
34AQI
37AQI
73AQI
40AQI
41AQI
36AQI
27AQI
34AQI
32AQI
42AQI
25AQI
18AQI
21AQI
34AQI
39AQI
43AQI
51AQI
47AQI
47AQI
52AQI
52AQI
49AQI
31AQI
26AQI
35AQI
52AQI
55AQI
58AQI
62AQI
53AQI
48AQI
36AQI
24AQI
40AQI
41AQI
25AQI
36AQI
50AQI
23AQI
22AQI
18AQI
23AQI
23AQI
19AQI
25AQI
28AQI
28AQI
21AQI
28AQI
32AQI
30AQI
36AQI
32AQI
34AQI
29AQI
29AQI
41AQI
30AQI
19AQI
29AQI
29AQI
26AQI
25AQI
18AQI
24AQI
28AQI
29AQI
33AQI
36AQI
28AQI
31AQI
25AQI
18AQI
19AQI
16AQI
29AQI
54AQI
40AQI
40AQI
41AQI
44AQI
45AQI
33AQI
32AQI
42AQI
28AQI
25AQI
32AQI
33AQI
32AQI
27AQI
34AQI
28AQI
25AQI
32AQI
27AQI
33AQI
29AQI
40AQI
29AQI
22AQI
23AQI
25AQI
23AQI
21AQI
22AQI
24AQI
19AQI
23AQI
27AQI
29AQI
35AQI
27AQI
29AQI
38AQI
42AQI
40AQI
30AQI
21AQI
26AQI
28AQI
39AQI
32AQI
41AQI
28AQI
21AQI
22AQI
24AQI
22AQI
20AQI
19AQI
22AQI
24AQI
23AQI
28AQI
32AQI
35AQI
28AQI
27AQI
39AQI
53AQI
56AQI
60AQI
47AQI
30AQI
21AQI
22AQI
25AQI
18AQI
17AQI
17AQI
18AQI
18AQI
25AQI
28AQI
39AQI
31AQI
24AQI
25AQI
20AQI
23AQI
18AQI
21AQI
19AQI
19AQI
21AQI
22AQI
33AQI
34AQI
25AQI
18AQI
16AQI
18AQI
19AQI
19AQI
18AQI
18AQI
22AQI
25AQI
35AQI
22AQI
19AQI
16AQI
22AQI
22AQI
29AQI
40AQI
55AQI
47AQI
43AQI
60AQI
59AQI
46AQI
40AQI
44AQI
42AQI
67AQI
60AQI
40AQI
28AQI
32AQI
28AQI
29AQI
25AQI
49AQI
No. of days
202539AQI
Highest AQI recorded in
February67AQI
Lowest AQI recorded in
September25AQI
202430AQI
Highest AQI recorded in
September38AQI
Lowest AQI recorded in
February23AQI
202326AQI
Highest AQI recorded in
June31AQI
Lowest AQI recorded in
October20AQI
202226AQI
Highest AQI recorded in
April31AQI
Lowest AQI recorded in
November21AQI
202124AQI
Highest AQI recorded in
April30AQI
Lowest AQI recorded in
October19AQI
202015AQI
Highest AQI recorded in
September21AQI
Lowest AQI recorded in
July8AQI
Most & Least Polluted Years Over the Last 6 Years
Oldenburg's annual 2025 AQI (39) shows an average percentage change of 69.9% (worsened AQI) compared to previous years: 2020 (15), 2021 (24), 2022 (26), 2023 (26), 2024 (30).