Braunschweig, Lower Saxony, 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
Braunschweig, Lower Saxony, 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
Braunschweig, Lower Saxony, Germany
6 AM15th Sep 2025
8 PM
5 AM16th Sep 2025
23AQI
11AQI
19AQI
15AQI
In the last 24 hours,
Braunschweig's AQI reached its highest point of 23 at 3 PM during the Day, while the lowest point, 11, was recorded at 9 AM during the Day between 15th Sep and 16th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Braunschweig, Lower Saxony, Germany
16°C11/23°C
19°C12/26°C
21°C14/28°C
18°C13/22°C
18°C11/25°C
14°C10/18°C
14°C9/18°C
14°C8/20°C
15°C9/22°C
19°C11/26°C
22°C17/28°C
19°C17/23°C
18°C14/21°C
19°C14/24°C
20°C14/26°C
19°C16/24°C
19°C15/25°C
20°C14/24°C
22°C17/27°C
19°C16/23°C
17°C12/23°C
18°C13/24°C
18°C12/25°C
19°C14/25°C
17°C13/22°C
16°C12/21°C
15°C11/20°C
15°C11/20°C
15°C13/19°C
18°C13/22°C
--°C/°C
26AQI
23AQI
27AQI
23AQI
2025 Days Vs Air Quality
Braunschweig, Lower Saxony, Germany
82%
212
16%
40
2%
6
Total number of days with different AQI categories in last 259 days in 2025 (106 days remaining)
Under WHO’s Safe Air Quality Limits: 82%
Health Risk Level:
Low
In 2025, 82% 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
Braunschweig, Lower Saxony, Germany
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
44AQI
28AQI
28AQI
37AQI
37AQI
25AQI
27AQI
27AQI
26AQI
31AQI
24AQI
26AQI
52AQI
45AQI
44AQI
40AQI
51AQI
42AQI
58AQI
63AQI
74AQI
59AQI
39AQI
27AQI
25AQI
29AQI
27AQI
24AQI
24AQI
23AQI
32AQI
60AQI
47AQI
63AQI
73AQI
66AQI
56AQI
38AQI
85AQI
97AQI
115AQI
100AQI
121AQI
138AQI
55AQI
56AQI
60AQI
50AQI
56AQI
52AQI
65AQI
72AQI
63AQI
45AQI
30AQI
40AQI
47AQI
30AQI
47AQI
43AQI
47AQI
49AQI
72AQI
58AQI
60AQI
59AQI
84AQI
105AQI
140AQI
130AQI
44AQI
45AQI
33AQI
51AQI
44AQI
19AQI
27AQI
39AQI
55AQI
61AQI
66AQI
72AQI
88AQI
90AQI
41AQI
42AQI
61AQI
41AQI
31AQI
24AQI
27AQI
31AQI
26AQI
36AQI
33AQI
15AQI
21AQI
26AQI
45AQI
32AQI
52AQI
39AQI
37AQI
42AQI
45AQI
31AQI
30AQI
21AQI
36AQI
53AQI
46AQI
44AQI
48AQI
32AQI
39AQI
24AQI
26AQI
35AQI
39AQI
32AQI
29AQI
41AQI
33AQI
21AQI
22AQI
20AQI
26AQI
16AQI
21AQI
21AQI
20AQI
19AQI
24AQI
30AQI
26AQI
26AQI
26AQI
31AQI
22AQI
33AQI
31AQI
31AQI
17AQI
21AQI
19AQI
26AQI
27AQI
16AQI
18AQI
29AQI
32AQI
27AQI
39AQI
27AQI
38AQI
26AQI
21AQI
20AQI
18AQI
26AQI
51AQI
37AQI
38AQI
31AQI
32AQI
42AQI
29AQI
34AQI
43AQI
32AQI
24AQI
29AQI
28AQI
36AQI
24AQI
25AQI
26AQI
25AQI
32AQI
26AQI
27AQI
26AQI
33AQI
30AQI
22AQI
20AQI
22AQI
19AQI
21AQI
20AQI
24AQI
21AQI
24AQI
28AQI
30AQI
33AQI
25AQI
33AQI
36AQI
38AQI
38AQI
24AQI
21AQI
25AQI
26AQI
30AQI
25AQI
41AQI
31AQI
22AQI
20AQI
22AQI
23AQI
22AQI
21AQI
22AQI
24AQI
23AQI
28AQI
32AQI
40AQI
38AQI
31AQI
42AQI
49AQI
56AQI
60AQI
49AQI
33AQI
23AQI
27AQI
32AQI
24AQI
20AQI
19AQI
19AQI
19AQI
25AQI
35AQI
43AQI
34AQI
29AQI
23AQI
20AQI
20AQI
18AQI
22AQI
21AQI
20AQI
22AQI
23AQI
37AQI
45AQI
29AQI
19AQI
19AQI
19AQI
16AQI
37AQI
65AQI
59AQI
35AQI
25AQI
30AQI
27AQI
31AQI
23AQI
No. of days
202537AQI
Highest AQI recorded in
February65AQI
Lowest AQI recorded in
September23AQI
202429AQI
Highest AQI recorded in
November40AQI
Lowest AQI recorded in
January23AQI
202325AQI
Highest AQI recorded in
June32AQI
Lowest AQI recorded in
October19AQI
202225AQI
Highest AQI recorded in
June31AQI
Lowest AQI recorded in
November17AQI
202123AQI
Highest AQI recorded in
June30AQI
Lowest AQI recorded in
January16AQI
202014AQI
Highest AQI recorded in
September23AQI
Lowest AQI recorded in
June6AQI
Most & Least Polluted Years Over the Last 6 Years
Braunschweig's annual 2025 AQI (37) shows an average percentage change of 70.7% (worsened AQI) compared to previous years: 2020 (14), 2021 (23), 2022 (25), 2023 (25), 2024 (29).