Ishiwaki, Mineshita, Shizuoka, 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
Ishiwaki, Mineshita, Shizuoka, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (20th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 46 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Aug - 22nd Aug 2025
Ishiwaki, Mineshita, Shizuoka, Japan
4 AM21st Aug 2025
6 PM
3 AM22nd Aug 2025
AQI
AQI
55AQI
42AQI
In the last 24 hours,
Ishiwaki's AQI reached its highest point of 55 at 2 PM during the Night, while the lowest point, undefined, was recorded at 3 AM during the Night between 21st Aug and 22nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Ishiwaki, Mineshita, Shizuoka, Japan
25°C21/31°C
26°C21/31°C
26°C22/31°C
25°C22/31°C
25°C22/31°C
26°C22/31°C
26°C21/31°C
26°C21/33°C
26°C20/32°C
27°C22/32°C
28°C23/34°C
27°C23/33°C
26°C23/31°C
27°C23/32°C
29°C25/34°C
28°C24/32°C
26°C21/31°C
25°C21/31°C
24°C22/25°C
24°C22/27°C
25°C23/26°C
25°C22/29°C
24°C21/29°C
25°C21/31°C
25°C21/28°C
25°C21/29°C
26°C22/31°C
25°C22/30°C
25°C22/31°C
--°C/°C
--°C/°C
42AQI
37AQI
39AQI
37AQI
2025 Days Vs Air Quality
Ishiwaki, Mineshita, Shizuoka, Japan
91%
210
9%
21
0.4%
1
Total number of days with different AQI categories in last 233 days in 2025 (132 days remaining)
Under WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2025, 91% of 233 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
Ishiwaki, Mineshita, Shizuoka, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
27AQI
30AQI
28AQI
27AQI
25AQI
31AQI
26AQI
29AQI
29AQI
26AQI
28AQI
27AQI
26AQI
30AQI
35AQI
27AQI
29AQI
29AQI
35AQI
30AQI
37AQI
31AQI
44AQI
51AQI
42AQI
37AQI
31AQI
31AQI
32AQI
29AQI
28AQI
38AQI
28AQI
32AQI
29AQI
31AQI
29AQI
32AQI
30AQI
29AQI
29AQI
31AQI
31AQI
32AQI
32AQI
30AQI
34AQI
36AQI
30AQI
31AQI
29AQI
30AQI
30AQI
31AQI
32AQI
34AQI
35AQI
39AQI
41AQI
47AQI
48AQI
39AQI
36AQI
26AQI
27AQI
29AQI
28AQI
34AQI
30AQI
32AQI
26AQI
36AQI
40AQI
35AQI
22AQI
23AQI
19AQI
18AQI
25AQI
43AQI
48AQI
61AQI
58AQI
66AQI
111AQI
76AQI
64AQI
38AQI
49AQI
33AQI
28AQI
22AQI
21AQI
22AQI
27AQI
23AQI
31AQI
35AQI
47AQI
47AQI
43AQI
47AQI
26AQI
45AQI
25AQI
38AQI
44AQI
50AQI
60AQI
44AQI
45AQI
38AQI
26AQI
29AQI
38AQI
44AQI
46AQI
39AQI
35AQI
41AQI
39AQI
26AQI
28AQI
35AQI
33AQI
25AQI
26AQI
30AQI
29AQI
22AQI
26AQI
28AQI
33AQI
37AQI
34AQI
41AQI
28AQI
43AQI
46AQI
61AQI
49AQI
39AQI
48AQI
44AQI
28AQI
30AQI
28AQI
31AQI
34AQI
21AQI
19AQI
23AQI
26AQI
25AQI
31AQI
40AQI
43AQI
49AQI
58AQI
45AQI
29AQI
30AQI
47AQI
42AQI
35AQI
40AQI
42AQI
47AQI
51AQI
53AQI
45AQI
36AQI
28AQI
28AQI
26AQI
23AQI
25AQI
40AQI
40AQI
40AQI
43AQI
42AQI
47AQI
43AQI
44AQI
57AQI
65AQI
73AQI
78AQI
76AQI
55AQI
48AQI
51AQI
47AQI
39AQI
37AQI
40AQI
39AQI
35AQI
31AQI
31AQI
31AQI
29AQI
29AQI
29AQI
26AQI
25AQI
25AQI
26AQI
33AQI
33AQI
35AQI
37AQI
42AQI
47AQI
61AQI
52AQI
51AQI
46AQI
44AQI
49AQI
36AQI
36AQI
36AQI
36AQI
40AQI
45AQI
45AQI
42AQI
43AQI
46AQI
46AQI
31AQI
32AQI
41AQI
37AQI
34AQI
38AQI
42AQI
44AQI
No. of days
202537AQI
Highest AQI recorded in
August44AQI
Lowest AQI recorded in
January31AQI
202436AQI
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
December28AQI
202336AQI
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
August25AQI
202237AQI
Highest AQI recorded in
May61AQI
Lowest AQI recorded in
July28AQI
202134AQI
Highest AQI recorded in
May39AQI
Lowest AQI recorded in
October31AQI
202032AQI
Highest AQI recorded in
August41AQI
Lowest AQI recorded in
September20AQI
Most & Least Polluted Years Over the Last 6 Years
Ishiwaki's annual 2025 AQI (37) shows an average percentage change of 6.1% (worsened AQI) compared to previous years: 2020 (32), 2021 (34), 2022 (37), 2023 (36), 2024 (36).