Minami Soma, Fukushima, Japan 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
Minami Soma, Fukushima, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (8th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 31 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 9th Aug - 10th Aug 2025
Minami Soma, Fukushima, Japan
4 AM9th Aug 2025
6 PM
3 AM10th Aug 2025
36AQI
22AQI
34AQI
24AQI
In the last 24 hours,
Minami Soma's AQI reached its highest point of 36 at 4 AM during the Day, while the lowest point, 22, was recorded at 11 AM during the Day between 9th Aug and 10th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Minami Soma, Fukushima, Japan
18°C17/19°C
18°C16/20°C
22°C16/26°C
22°C21/23°C
24°C23/25°C
25°C22/28°C
26°C23/30°C
25°C21/29°C
25°C20/29°C
26°C22/29°C
26°C22/30°C
26°C23/29°C
26°C23/30°C
26°C22/29°C
26°C22/29°C
25°C21/29°C
27°C23/30°C
26°C23/29°C
26°C22/29°C
24°C21/27°C
23°C20/26°C
22°C20/24°C
25°C23/29°C
26°C23/29°C
26°C23/29°C
27°C23/32°C
27°C24/30°C
25°C22/30°C
25°C22/29°C
23°C20/27°C
--°C/°C
47AQI
42AQI
46AQI
43AQI
2025 Days Vs Air Quality
Minami Soma, Fukushima, Japan
89%
195
11%
25
Total number of days with different AQI categories in last 222 days in 2025 (143 days remaining)
Under WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% of 222 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
Minami Soma, Fukushima, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
27AQI
26AQI
25AQI
24AQI
24AQI
29AQI
26AQI
25AQI
26AQI
24AQI
24AQI
23AQI
26AQI
28AQI
26AQI
24AQI
23AQI
24AQI
26AQI
33AQI
42AQI
33AQI
36AQI
32AQI
30AQI
28AQI
25AQI
26AQI
27AQI
25AQI
28AQI
27AQI
26AQI
25AQI
27AQI
26AQI
26AQI
26AQI
26AQI
26AQI
26AQI
29AQI
27AQI
29AQI
28AQI
25AQI
30AQI
36AQI
28AQI
30AQI
29AQI
29AQI
28AQI
29AQI
29AQI
31AQI
37AQI
37AQI
45AQI
45AQI
52AQI
37AQI
37AQI
27AQI
31AQI
30AQI
32AQI
31AQI
39AQI
36AQI
46AQI
46AQI
38AQI
38AQI
25AQI
22AQI
27AQI
22AQI
25AQI
44AQI
48AQI
45AQI
38AQI
64AQI
63AQI
63AQI
50AQI
37AQI
33AQI
34AQI
28AQI
25AQI
19AQI
18AQI
22AQI
27AQI
27AQI
38AQI
28AQI
42AQI
45AQI
34AQI
28AQI
22AQI
23AQI
21AQI
41AQI
47AQI
60AQI
58AQI
45AQI
50AQI
35AQI
36AQI
36AQI
50AQI
48AQI
51AQI
30AQI
27AQI
26AQI
26AQI
33AQI
32AQI
36AQI
32AQI
26AQI
34AQI
32AQI
26AQI
24AQI
24AQI
37AQI
44AQI
43AQI
48AQI
36AQI
46AQI
42AQI
54AQI
55AQI
48AQI
46AQI
40AQI
27AQI
28AQI
30AQI
29AQI
32AQI
31AQI
21AQI
20AQI
36AQI
40AQI
31AQI
37AQI
44AQI
54AQI
59AQI
57AQI
45AQI
38AQI
39AQI
34AQI
34AQI
28AQI
26AQI
30AQI
37AQI
40AQI
35AQI
36AQI
37AQI
39AQI
36AQI
36AQI
30AQI
32AQI
33AQI
35AQI
41AQI
43AQI
46AQI
53AQI
52AQI
53AQI
55AQI
57AQI
62AQI
64AQI
51AQI
47AQI
46AQI
50AQI
44AQI
43AQI
47AQI
44AQI
45AQI
42AQI
44AQI
46AQI
48AQI
51AQI
53AQI
54AQI
56AQI
56AQI
50AQI
50AQI
43AQI
40AQI
38AQI
36AQI
41AQI
48AQI
41AQI
37AQI
31AQI
31AQI
27AQI
29AQI
39AQI
35AQI
35AQI
37AQI
50AQI
38AQI
No. of days
202536AQI
Highest AQI recorded in
July50AQI
Lowest AQI recorded in
January27AQI
202434AQI
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
December24AQI
202336AQI
Highest AQI recorded in
April47AQI
Lowest AQI recorded in
December28AQI
202234AQI
Highest AQI recorded in
August47AQI
Lowest AQI recorded in
December24AQI
202133AQI
Highest AQI recorded in
June41AQI
Lowest AQI recorded in
January24AQI
202030AQI
Highest AQI recorded in
August42AQI
Lowest AQI recorded in
December20AQI
Most & Least Polluted Years Over the Last 6 Years
Minami Soma's annual 2025 AQI (36) shows an average percentage change of 9.2% (worsened AQI) compared to previous years: 2020 (30), 2021 (33), 2022 (34), 2023 (36), 2024 (34).