Kokawa, Wakayama, 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
Kokawa, Wakayama, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 42 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: 2nd Aug - 3rd Aug 2025
Kokawa, Wakayama, Japan
5 AM2nd Aug 2025
7 PM
4 AM3rd Aug 2025
AQI
AQI
58AQI
37AQI
In the last 24 hours,
Kokawa's AQI reached its highest point of 58 at 2 PM during the Night, while the lowest point, 37, was recorded at 2 AM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Kokawa, Wakayama, Japan
27°C24/29°C
28°C25/31°C
28°C26/31°C
29°C26/33°C
27°C25/31°C
27°C23/30°C
27°C24/31°C
27°C24/30°C
26°C24/29°C
26°C23/30°C
26°C23/30°C
26°C24/30°C
27°C24/30°C
24°C23/26°C
26°C23/30°C
26°C23/30°C
27°C24/30°C
27°C24/29°C
27°C24/30°C
27°C25/30°C
27°C25/30°C
27°C25/30°C
27°C24/30°C
27°C24/30°C
27°C24/31°C
27°C24/32°C
28°C25/31°C
28°C25/32°C
29°C25/32°C
--°C/°C
--°C/°C
51AQI
45AQI
50AQI
47AQI
2025 Days Vs Air Quality
Kokawa, Wakayama, Japan
77%
165
23%
48
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 77%
Health Risk Level:
Low
In 2025, 77% of 214 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
Kokawa, Wakayama, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
29AQI
37AQI
35AQI
33AQI
30AQI
34AQI
31AQI
28AQI
29AQI
26AQI
26AQI
32AQI
35AQI
44AQI
40AQI
36AQI
32AQI
30AQI
35AQI
33AQI
43AQI
47AQI
59AQI
66AQI
43AQI
39AQI
39AQI
35AQI
33AQI
39AQI
65AQI
65AQI
43AQI
48AQI
39AQI
39AQI
32AQI
35AQI
31AQI
30AQI
31AQI
30AQI
39AQI
31AQI
39AQI
30AQI
37AQI
39AQI
33AQI
32AQI
29AQI
31AQI
35AQI
35AQI
33AQI
34AQI
37AQI
53AQI
58AQI
64AQI
72AQI
47AQI
40AQI
30AQI
38AQI
34AQI
38AQI
37AQI
39AQI
32AQI
36AQI
49AQI
42AQI
36AQI
24AQI
40AQI
26AQI
28AQI
37AQI
50AQI
54AQI
60AQI
63AQI
65AQI
66AQI
53AQI
45AQI
43AQI
39AQI
37AQI
39AQI
39AQI
32AQI
33AQI
39AQI
41AQI
43AQI
44AQI
47AQI
49AQI
51AQI
51AQI
39AQI
46AQI
30AQI
44AQI
46AQI
53AQI
55AQI
45AQI
42AQI
44AQI
36AQI
36AQI
52AQI
52AQI
51AQI
44AQI
46AQI
55AQI
51AQI
40AQI
45AQI
39AQI
41AQI
32AQI
35AQI
34AQI
38AQI
33AQI
35AQI
47AQI
51AQI
54AQI
51AQI
50AQI
44AQI
53AQI
53AQI
57AQI
45AQI
41AQI
50AQI
38AQI
33AQI
34AQI
35AQI
33AQI
40AQI
35AQI
40AQI
44AQI
47AQI
34AQI
44AQI
44AQI
44AQI
50AQI
55AQI
47AQI
35AQI
38AQI
47AQI
50AQI
40AQI
35AQI
41AQI
41AQI
48AQI
50AQI
53AQI
52AQI
49AQI
41AQI
37AQI
34AQI
38AQI
49AQI
52AQI
55AQI
55AQI
59AQI
73AQI
78AQI
87AQI
87AQI
69AQI
71AQI
75AQI
83AQI
72AQI
57AQI
53AQI
50AQI
41AQI
50AQI
54AQI
38AQI
37AQI
35AQI
31AQI
30AQI
31AQI
32AQI
31AQI
27AQI
28AQI
26AQI
29AQI
36AQI
39AQI
40AQI
42AQI
38AQI
37AQI
44AQI
44AQI
42AQI
45AQI
50AQI
42AQI
No. of days
202543AQI
Highest AQI recorded in
July50AQI
Lowest AQI recorded in
February37AQI
202437AQI
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
December30AQI
202339AQI
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
August33AQI
202237AQI
Highest AQI recorded in
May45AQI
Lowest AQI recorded in
August27AQI
202134AQI
Highest AQI recorded in
May40AQI
Lowest AQI recorded in
April29AQI
202037AQI
Highest AQI recorded in
August54AQI
Lowest AQI recorded in
October30AQI
Most & Least Polluted Years Over the Last 6 Years
Kokawa's annual 2025 AQI (43) shows an average percentage change of 16.8% (worsened AQI) compared to previous years: 2020 (37), 2021 (34), 2022 (37), 2023 (39), 2024 (37).