Kibi, Kosai, 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
Kibi, Kosai, Shizuoka, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (25th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 50 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 25th Aug - 26th Aug 2025
Kibi, Kosai, Shizuoka, Japan
5 AM25th Aug 2025
6 PM
4 AM26th Aug 2025
AQI
AQI
73AQI
48AQI
In the last 24 hours,
Kibi's AQI reached its highest point of 73 at 4 PM during the Night, while the lowest point, 48, was recorded at 2 PM during the Night between 25th Aug and 26th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Kibi, Kosai, Shizuoka, Japan
28°C26/31°C
29°C26/32°C
29°C26/32°C
29°C26/32°C
29°C27/32°C
30°C26/36°C
30°C27/36°C
30°C27/34°C
29°C28/31°C
31°C27/35°C
32°C29/36°C
30°C28/32°C
30°C26/34°C
29°C26/33°C
26°C25/27°C
27°C26/27°C
26°C25/26°C
29°C26/34°C
27°C26/30°C
29°C26/33°C
28°C26/31°C
29°C26/33°C
30°C27/35°C
29°C26/33°C
30°C26/34°C
31°C27/35°C
29°C27/33°C
29°C27/31°C
29°C27/32°C
--°C/°C
--°C/°C
50AQI
40AQI
47AQI
41AQI
2025 Days Vs Air Quality
Kibi, Kosai, Shizuoka, Japan
85%
202
14%
34
0.4%
1
Total number of days with different AQI categories in last 237 days in 2025 (128 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2025, 85% of 237 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
Kibi, Kosai, Shizuoka, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
30AQI
31AQI
31AQI
29AQI
34AQI
27AQI
32AQI
26AQI
30AQI
27AQI
28AQI
28AQI
30AQI
41AQI
37AQI
30AQI
30AQI
32AQI
34AQI
35AQI
34AQI
35AQI
58AQI
49AQI
42AQI
39AQI
30AQI
35AQI
30AQI
32AQI
45AQI
51AQI
40AQI
44AQI
33AQI
35AQI
31AQI
37AQI
31AQI
31AQI
31AQI
33AQI
30AQI
32AQI
32AQI
31AQI
36AQI
39AQI
32AQI
32AQI
31AQI
31AQI
33AQI
33AQI
34AQI
39AQI
41AQI
47AQI
56AQI
48AQI
56AQI
38AQI
38AQI
26AQI
33AQI
31AQI
35AQI
34AQI
37AQI
32AQI
34AQI
46AQI
36AQI
42AQI
21AQI
22AQI
22AQI
21AQI
33AQI
53AQI
54AQI
65AQI
63AQI
68AQI
112AQI
75AQI
62AQI
43AQI
39AQI
35AQI
31AQI
31AQI
24AQI
23AQI
29AQI
27AQI
37AQI
40AQI
39AQI
50AQI
47AQI
51AQI
36AQI
51AQI
25AQI
44AQI
45AQI
53AQI
61AQI
49AQI
49AQI
45AQI
35AQI
32AQI
49AQI
48AQI
55AQI
46AQI
49AQI
54AQI
48AQI
34AQI
39AQI
34AQI
36AQI
29AQI
30AQI
30AQI
32AQI
24AQI
27AQI
36AQI
46AQI
47AQI
47AQI
48AQI
40AQI
50AQI
49AQI
59AQI
42AQI
36AQI
43AQI
38AQI
24AQI
30AQI
28AQI
29AQI
33AQI
30AQI
28AQI
23AQI
34AQI
27AQI
37AQI
43AQI
46AQI
51AQI
58AQI
41AQI
30AQI
28AQI
39AQI
38AQI
33AQI
26AQI
35AQI
40AQI
44AQI
47AQI
39AQI
32AQI
26AQI
25AQI
23AQI
22AQI
22AQI
30AQI
33AQI
32AQI
37AQI
41AQI
42AQI
50AQI
46AQI
71AQI
60AQI
72AQI
79AQI
76AQI
59AQI
56AQI
55AQI
52AQI
47AQI
50AQI
49AQI
51AQI
44AQI
36AQI
35AQI
32AQI
29AQI
28AQI
27AQI
25AQI
26AQI
23AQI
25AQI
30AQI
37AQI
36AQI
47AQI
45AQI
46AQI
64AQI
49AQI
54AQI
49AQI
48AQI
52AQI
50AQI
43AQI
37AQI
40AQI
43AQI
42AQI
43AQI
39AQI
45AQI
43AQI
46AQI
46AQI
44AQI
49AQI
54AQI
50AQI
34AQI
36AQI
44AQI
42AQI
37AQI
35AQI
45AQI
47AQI
No. of days
202540AQI
Highest AQI recorded in
August47AQI
Lowest AQI recorded in
January34AQI
202439AQI
Highest AQI recorded in
April83AQI
Lowest AQI recorded in
December30AQI
202342AQI
Highest AQI recorded in
April53AQI
Lowest AQI recorded in
August30AQI
202238AQI
Highest AQI recorded in
August49AQI
Lowest AQI recorded in
July30AQI
202138AQI
Highest AQI recorded in
February42AQI
Lowest AQI recorded in
July32AQI
202036AQI
Highest AQI recorded in
November40AQI
Lowest AQI recorded in
September29AQI
Most & Least Polluted Years Over the Last 6 Years
Kibi's annual 2025 AQI (40) shows an average percentage change of 3.1% (worsened AQI) compared to previous years: 2020 (36), 2021 (38), 2022 (38), 2023 (42), 2024 (39).