Kolba, Gera, Thuringia, 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
Kolba, Gera, Thuringia, Germany
AQI Trends: Highest and Lowest
Same Day Analysis (20th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 31 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Sep - 22nd Sep 2025
Kolba, Gera, Thuringia, Germany
6 AM21st Sep 2025
7 PM
5 AM22nd Sep 2025
AQI
AQI
46AQI
28AQI
In the last 24 hours,
Kolba's AQI reached its highest point of 46 at 6 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 21st Sep and 22nd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Kolba, Gera, Thuringia, Germany
13°C9/17°C
13°C7/19°C
15°C7/23°C
18°C10/27°C
21°C17/28°C
18°C16/21°C
17°C14/22°C
18°C13/23°C
19°C13/25°C
19°C14/27°C
17°C14/23°C
18°C12/23°C
21°C16/27°C
18°C15/21°C
17°C11/22°C
17°C12/23°C
17°C11/23°C
18°C12/24°C
16°C12/21°C
16°C11/21°C
16°C12/21°C
16°C10/22°C
15°C12/19°C
18°C13/23°C
15°C13/18°C
15°C11/19°C
19°C15/25°C
20°C14/28°C
22°C14/30°C
--°C/°C
--°C/°C
27AQI
23AQI
26AQI
24AQI
2025 Days Vs Air Quality
Kolba, Gera, Thuringia, Germany
97%
112
3%
3
Total number of days with different AQI categories in last 264 days in 2025 (101 days remaining)
Under WHO’s Safe Air Quality Limits: 97%
Health Risk Level:
Very Low
In 2025, 97% of 264 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
Kolba, Gera, Thuringia, Germany
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
16AQI
17AQI
32AQI
26AQI
34AQI
48AQI
33AQI
20AQI
17AQI
16AQI
21AQI
19AQI
38AQI
43AQI
42AQI
46AQI
35AQI
43AQI
38AQI
33AQI
37AQI
38AQI
35AQI
32AQI
29AQI
34AQI
28AQI
26AQI
26AQI
24AQI
28AQI
26AQI
25AQI
24AQI
28AQI
33AQI
28AQI
26AQI
26AQI
22AQI
20AQI
21AQI
22AQI
23AQI
21AQI
25AQI
28AQI
30AQI
28AQI
24AQI
24AQI
28AQI
33AQI
30AQI
22AQI
19AQI
21AQI
25AQI
28AQI
31AQI
28AQI
25AQI
23AQI
23AQI
24AQI
24AQI
21AQI
23AQI
25AQI
24AQI
25AQI
30AQI
39AQI
48AQI
43AQI
42AQI
48AQI
57AQI
61AQI
59AQI
47AQI
31AQI
29AQI
36AQI
36AQI
26AQI
23AQI
20AQI
20AQI
26AQI
35AQI
44AQI
34AQI
29AQI
24AQI
22AQI
21AQI
19AQI
19AQI
21AQI
21AQI
23AQI
25AQI
36AQI
40AQI
29AQI
21AQI
20AQI
20AQI
18AQI
19AQI
18AQI
18AQI
21AQI
31AQI
22AQI
31AQI
25AQI
34AQI
23AQI
No. of days
202529AQI
Highest AQI recorded in
August34AQI
Lowest AQI recorded in
May22AQI
Most & Least Polluted Years Over the Last 1 Years
Kolba's annual 2025 AQI (29) shows an average percentage change of NaN% (improved AQI) compared to previous years: .