Hanover, Lower Saxony, 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
Hanover, Lower Saxony, Germany
AQI Trends: Highest and Lowest
Same Day Analysis (5th August ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 23 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Hanover, Lower Saxony, Germany
5 AM6th Aug 2025
9 PM
4 AM7th Aug 2025
25AQI
19AQI
28AQI
23AQI
In the last 24 hours,
Hanover's AQI reached its highest point of 28 at 3 AM during the Night, while the lowest point, 19, was recorded at 5 AM during the Day between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Hanover, Lower Saxony, Germany
15°C10/20°C
17°C13/23°C
17°C12/25°C
18°C12/24°C
17°C14/24°C
19°C15/24°C
20°C15/26°C
18°C14/24°C
15°C13/18°C
17°C12/20°C
19°C16/24°C
23°C16/29°C
23°C18/29°C
19°C16/22°C
18°C14/22°C
18°C15/23°C
20°C14/26°C
18°C15/22°C
20°C14/26°C
18°C15/20°C
17°C14/22°C
16°C12/22°C
16°C11/22°C
17°C13/23°C
16°C14/20°C
16°C12/21°C
16°C13/21°C
19°C15/25°C
19°C14/23°C
17°C12/22°C
--°C/°C
27AQI
25AQI
26AQI
24AQI
2025 Days Vs Air Quality
Hanover, Lower Saxony, Germany
99%
68
1%
1
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Under WHO’s Safe Air Quality Limits: 99%
Health Risk Level:
Very Low
In 2025, 99% of 219 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
Hanover, Lower Saxony, Germany
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
17AQI
26AQI
30AQI
28AQI
38AQI
25AQI
37AQI
22AQI
16AQI
17AQI
16AQI
22AQI
52AQI
42AQI
38AQI
36AQI
37AQI
45AQI
31AQI
31AQI
37AQI
35AQI
26AQI
28AQI
27AQI
31AQI
25AQI
25AQI
26AQI
23AQI
26AQI
26AQI
25AQI
24AQI
30AQI
31AQI
24AQI
22AQI
22AQI
19AQI
19AQI
19AQI
23AQI
20AQI
21AQI
27AQI
29AQI
31AQI
23AQI
26AQI
33AQI
37AQI
36AQI
28AQI
21AQI
21AQI
25AQI
30AQI
26AQI
35AQI
27AQI
22AQI
19AQI
20AQI
23AQI
22AQI
21AQI
22AQI
23AQI
24AQI
30AQI
25AQI
22AQI
No. of days
202527AQI
Highest AQI recorded in
June30AQI
Lowest AQI recorded in
August22AQI
Most & Least Polluted Years Over the Last 1 Years
Hanover's annual 2025 AQI (27) shows an average percentage change of NaN% (improved AQI) compared to previous years: .