Yoshinaga, 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
Yoshinaga, Shizuoka, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (5th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 51 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Yoshinaga, Shizuoka, Japan
4 AM6th Aug 2025
6 PM
3 AM7th Aug 2025
AQI
AQI
58AQI
38AQI
In the last 24 hours,
Yoshinaga's AQI reached its highest point of 58 at 6 PM during the Night, while the lowest point, 38, was recorded at 10 AM during the Night between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Yoshinaga, Shizuoka, Japan
27°C24/31°C
27°C24/31°C
27°C24/32°C
26°C23/29°C
25°C23/28°C
26°C23/29°C
26°C22/31°C
26°C24/27°C
25°C23/28°C
24°C23/27°C
26°C22/29°C
26°C22/29°C
27°C23/30°C
28°C25/32°C
27°C25/31°C
27°C24/31°C
27°C23/31°C
28°C24/32°C
28°C24/32°C
28°C24/32°C
28°C24/31°C
27°C23/31°C
28°C23/33°C
28°C23/32°C
29°C23/34°C
29°C25/34°C
29°C24/33°C
29°C25/33°C
30°C26/35°C
--°C/°C
--°C/°C
44AQI
37AQI
45AQI
35AQI
2025 Days Vs Air Quality
Yoshinaga, Shizuoka, Japan
92%
200
7%
16
0.4%
1
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Under WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2025, 92% of 218 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
Yoshinaga, Shizuoka, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
28AQI
31AQI
30AQI
28AQI
28AQI
25AQI
29AQI
26AQI
29AQI
26AQI
26AQI
25AQI
28AQI
34AQI
37AQI
27AQI
28AQI
27AQI
26AQI
29AQI
33AQI
31AQI
50AQI
51AQI
43AQI
36AQI
27AQI
31AQI
29AQI
31AQI
37AQI
33AQI
29AQI
31AQI
31AQI
32AQI
32AQI
33AQI
31AQI
31AQI
31AQI
30AQI
28AQI
32AQI
29AQI
31AQI
33AQI
39AQI
31AQI
32AQI
30AQI
30AQI
32AQI
33AQI
33AQI
36AQI
37AQI
39AQI
42AQI
44AQI
45AQI
38AQI
36AQI
27AQI
28AQI
30AQI
28AQI
34AQI
35AQI
31AQI
27AQI
42AQI
35AQI
34AQI
21AQI
19AQI
19AQI
16AQI
27AQI
47AQI
47AQI
61AQI
57AQI
66AQI
106AQI
74AQI
62AQI
40AQI
38AQI
31AQI
26AQI
23AQI
20AQI
21AQI
24AQI
23AQI
30AQI
35AQI
39AQI
46AQI
41AQI
47AQI
27AQI
47AQI
21AQI
37AQI
44AQI
50AQI
61AQI
46AQI
47AQI
38AQI
28AQI
34AQI
40AQI
45AQI
47AQI
39AQI
38AQI
42AQI
39AQI
26AQI
33AQI
31AQI
33AQI
22AQI
27AQI
26AQI
26AQI
21AQI
21AQI
28AQI
35AQI
40AQI
40AQI
41AQI
27AQI
45AQI
41AQI
59AQI
40AQI
36AQI
39AQI
37AQI
23AQI
27AQI
23AQI
27AQI
30AQI
20AQI
21AQI
20AQI
27AQI
23AQI
31AQI
39AQI
40AQI
48AQI
57AQI
40AQI
28AQI
30AQI
42AQI
39AQI
29AQI
31AQI
39AQI
39AQI
48AQI
49AQI
37AQI
32AQI
23AQI
24AQI
22AQI
21AQI
21AQI
34AQI
36AQI
36AQI
41AQI
41AQI
46AQI
46AQI
46AQI
64AQI
69AQI
78AQI
83AQI
74AQI
49AQI
49AQI
47AQI
46AQI
39AQI
38AQI
41AQI
43AQI
36AQI
32AQI
31AQI
29AQI
28AQI
29AQI
27AQI
25AQI
24AQI
22AQI
25AQI
28AQI
34AQI
33AQI
40AQI
41AQI
46AQI
64AQI
51AQI
31AQI
33AQI
40AQI
37AQI
32AQI
34AQI
42AQI
48AQI
No. of days
202536AQI
Highest AQI recorded in
August48AQI
Lowest AQI recorded in
January31AQI
202433AQI
Highest AQI recorded in
July41AQI
Lowest AQI recorded in
January26AQI
202333AQI
Highest AQI recorded in
April43AQI
Lowest AQI recorded in
August25AQI
202231AQI
Highest AQI recorded in
March40AQI
Lowest AQI recorded in
August23AQI
202131AQI
Highest AQI recorded in
May36AQI
Lowest AQI recorded in
January22AQI
202026AQI
Highest AQI recorded in
August38AQI
Lowest AQI recorded in
December18AQI
Most & Least Polluted Years Over the Last 6 Years
Yoshinaga's annual 2025 AQI (36) shows an average percentage change of 17.08% (worsened AQI) compared to previous years: 2020 (26), 2021 (31), 2022 (31), 2023 (33), 2024 (33).