Kawaii, Yamagata, 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
Kawaii, Yamagata, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (5th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 48 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Kawaii, Yamagata, Japan
4 AM6th Aug 2025
6 PM
3 AM7th Aug 2025
AQI
AQI
49AQI
29AQI
In the last 24 hours,
Kawaii's AQI reached its highest point of 49 at 8 PM during the Night, while the lowest point, 29, was recorded at 11 AM during the Night between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Kawaii, Yamagata, Japan
26°C21/33°C
25°C21/30°C
22°C17/30°C
18°C16/21°C
19°C14/25°C
22°C14/31°C
22°C18/26°C
23°C21/26°C
26°C22/33°C
24°C20/30°C
25°C19/31°C
26°C19/34°C
26°C20/33°C
26°C20/34°C
26°C20/34°C
26°C20/34°C
26°C19/34°C
26°C19/34°C
26°C19/35°C
26°C21/33°C
26°C20/34°C
27°C20/35°C
25°C19/34°C
24°C17/32°C
23°C17/29°C
25°C22/32°C
26°C20/34°C
27°C21/34°C
25°C22/29°C
--°C/°C
--°C/°C
48AQI
44AQI
47AQI
47AQI
2025 Days Vs Air Quality
Kawaii, Yamagata, Japan
87%
188
13%
29
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Under WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2025, 87% of 218 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
Kawaii, Yamagata, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
29AQI
28AQI
28AQI
28AQI
26AQI
28AQI
28AQI
27AQI
25AQI
27AQI
26AQI
31AQI
34AQI
29AQI
27AQI
26AQI
26AQI
26AQI
33AQI
47AQI
51AQI
44AQI
43AQI
38AQI
35AQI
31AQI
31AQI
34AQI
29AQI
30AQI
30AQI
30AQI
30AQI
39AQI
31AQI
30AQI
30AQI
29AQI
30AQI
29AQI
30AQI
32AQI
32AQI
32AQI
30AQI
31AQI
37AQI
45AQI
32AQI
38AQI
31AQI
32AQI
32AQI
33AQI
33AQI
34AQI
43AQI
42AQI
53AQI
51AQI
59AQI
42AQI
40AQI
29AQI
32AQI
32AQI
35AQI
34AQI
41AQI
45AQI
46AQI
49AQI
39AQI
42AQI
25AQI
22AQI
27AQI
22AQI
30AQI
48AQI
51AQI
46AQI
48AQI
67AQI
65AQI
67AQI
49AQI
36AQI
35AQI
31AQI
29AQI
22AQI
20AQI
19AQI
28AQI
29AQI
27AQI
38AQI
28AQI
41AQI
43AQI
46AQI
28AQI
24AQI
20AQI
22AQI
41AQI
47AQI
60AQI
51AQI
46AQI
50AQI
38AQI
27AQI
36AQI
46AQI
48AQI
49AQI
33AQI
28AQI
36AQI
23AQI
34AQI
31AQI
36AQI
32AQI
28AQI
34AQI
39AQI
25AQI
27AQI
28AQI
36AQI
44AQI
49AQI
53AQI
41AQI
46AQI
46AQI
53AQI
61AQI
50AQI
46AQI
44AQI
29AQI
31AQI
33AQI
34AQI
36AQI
35AQI
24AQI
23AQI
38AQI
39AQI
37AQI
38AQI
43AQI
52AQI
59AQI
62AQI
53AQI
48AQI
46AQI
47AQI
50AQI
32AQI
31AQI
35AQI
41AQI
45AQI
45AQI
46AQI
54AQI
50AQI
47AQI
47AQI
42AQI
47AQI
43AQI
45AQI
50AQI
52AQI
58AQI
63AQI
63AQI
59AQI
58AQI
59AQI
61AQI
60AQI
55AQI
50AQI
49AQI
51AQI
43AQI
43AQI
45AQI
40AQI
42AQI
44AQI
45AQI
42AQI
41AQI
41AQI
46AQI
48AQI
49AQI
50AQI
46AQI
50AQI
47AQI
46AQI
38AQI
39AQI
45AQI
50AQI
48AQI
31AQI
34AQI
41AQI
35AQI
38AQI
45AQI
50AQI
44AQI
No. of days
202539AQI
Highest AQI recorded in
July50AQI
Lowest AQI recorded in
January31AQI
202437AQI
Highest AQI recorded in
April52AQI
Lowest AQI recorded in
December26AQI
202342AQI
Highest AQI recorded in
July51AQI
Lowest AQI recorded in
January33AQI
202235AQI
Highest AQI recorded in
May43AQI
Lowest AQI recorded in
December26AQI
202132AQI
Highest AQI recorded in
June42AQI
Lowest AQI recorded in
January25AQI
202028AQI
Highest AQI recorded in
August46AQI
Lowest AQI recorded in
December18AQI
Most & Least Polluted Years Over the Last 6 Years
Kawaii's annual 2025 AQI (39) shows an average percentage change of 15.2% (worsened AQI) compared to previous years: 2020 (28), 2021 (32), 2022 (35), 2023 (42), 2024 (37).