Shirakawa, 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
Shirakawa, Fukushima, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 39 of Good air quality, showing improvement over 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Shirakawa, Fukushima, Japan
4 AM3rd Aug 2025
6 PM
3 AM4th Aug 2025
AQI
AQI
59AQI
38AQI
In the last 24 hours,
Shirakawa's AQI reached its highest point of 59 at 7 PM during the Night, while the lowest point, 38, was recorded at 2 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Shirakawa, Fukushima, Japan
24°C20/30°C
25°C20/32°C
26°C21/33°C
26°C22/32°C
26°C21/32°C
22°C18/28°C
18°C16/19°C
19°C15/23°C
21°C16/28°C
22°C20/24°C
23°C23/24°C
24°C22/27°C
24°C21/29°C
24°C21/30°C
24°C19/30°C
26°C21/32°C
27°C21/34°C
27°C22/34°C
27°C22/35°C
27°C22/35°C
26°C21/34°C
27°C21/35°C
27°C21/34°C
27°C22/35°C
27°C21/35°C
25°C20/33°C
24°C18/32°C
22°C18/26°C
26°C23/32°C
--°C/°C
--°C/°C
49AQI
46AQI
47AQI
47AQI
2025 Days Vs Air Quality
Shirakawa, Fukushima, Japan
87%
187
13%
27
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 215 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
Shirakawa, Fukushima, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
29AQI
28AQI
29AQI
26AQI
29AQI
44AQI
29AQI
31AQI
26AQI
27AQI
27AQI
25AQI
28AQI
27AQI
27AQI
26AQI
27AQI
27AQI
42AQI
41AQI
42AQI
37AQI
37AQI
34AQI
32AQI
31AQI
31AQI
33AQI
29AQI
29AQI
31AQI
30AQI
29AQI
30AQI
31AQI
30AQI
29AQI
29AQI
30AQI
30AQI
31AQI
32AQI
31AQI
33AQI
30AQI
31AQI
34AQI
36AQI
31AQI
32AQI
32AQI
32AQI
33AQI
33AQI
34AQI
35AQI
37AQI
41AQI
44AQI
46AQI
48AQI
39AQI
37AQI
30AQI
33AQI
34AQI
34AQI
35AQI
38AQI
42AQI
39AQI
46AQI
31AQI
34AQI
21AQI
20AQI
25AQI
18AQI
23AQI
35AQI
46AQI
52AQI
51AQI
65AQI
67AQI
69AQI
47AQI
36AQI
34AQI
31AQI
26AQI
22AQI
20AQI
19AQI
27AQI
25AQI
26AQI
36AQI
26AQI
42AQI
40AQI
39AQI
26AQI
23AQI
25AQI
21AQI
41AQI
50AQI
61AQI
62AQI
45AQI
53AQI
31AQI
29AQI
37AQI
48AQI
47AQI
50AQI
32AQI
31AQI
41AQI
24AQI
32AQI
29AQI
35AQI
27AQI
25AQI
31AQI
34AQI
21AQI
22AQI
25AQI
35AQI
40AQI
45AQI
49AQI
32AQI
38AQI
42AQI
55AQI
65AQI
51AQI
46AQI
43AQI
30AQI
29AQI
29AQI
30AQI
34AQI
30AQI
19AQI
20AQI
36AQI
33AQI
31AQI
38AQI
48AQI
53AQI
61AQI
57AQI
43AQI
36AQI
39AQI
46AQI
41AQI
28AQI
39AQI
38AQI
44AQI
47AQI
46AQI
48AQI
52AQI
46AQI
43AQI
36AQI
33AQI
41AQI
39AQI
44AQI
50AQI
51AQI
55AQI
56AQI
54AQI
57AQI
54AQI
61AQI
71AQI
74AQI
54AQI
43AQI
44AQI
50AQI
36AQI
33AQI
40AQI
35AQI
37AQI
37AQI
43AQI
43AQI
46AQI
47AQI
51AQI
50AQI
52AQI
50AQI
47AQI
50AQI
42AQI
43AQI
39AQI
39AQI
31AQI
33AQI
39AQI
35AQI
35AQI
42AQI
49AQI
39AQI
No. of days
202538AQI
Highest AQI recorded in
July49AQI
Lowest AQI recorded in
January31AQI
202434AQI
Highest AQI recorded in
April45AQI
Lowest AQI recorded in
December27AQI
202336AQI
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
December30AQI
202234AQI
Highest AQI recorded in
April44AQI
Lowest AQI recorded in
December25AQI
202139AQI
Highest AQI recorded in
June50AQI
Lowest AQI recorded in
December28AQI
202036AQI
Highest AQI recorded in
August53AQI
Lowest AQI recorded in
December26AQI
Most & Least Polluted Years Over the Last 6 Years
Shirakawa's annual 2025 AQI (38) shows an average percentage change of 5.7% (worsened AQI) compared to previous years: 2020 (36), 2021 (39), 2022 (34), 2023 (36), 2024 (34).