Yamatocho, Kawaguchi, Saitama, 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
Yamatocho, Kawaguchi, Saitama, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (15th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 33 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 14th Aug - 15th Aug 2026
Yamatocho, Kawaguchi, Saitama, Japan
4 AM14th Aug 2026
6 PM
3 AM15th Aug 2026
33AQI
14AQI
47AQI
23AQI
In the last 24 hours,
Yamatocho's AQI reached its highest point of 47 at 7 PM during the Night, while the lowest point, 14, was recorded at 6 AM during the Day between 14th Aug and 15th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Yamatocho, Kawaguchi, Saitama, Japan
29°C27/32°C
29°C26/32°C
29°C26/32°C
32°C28/36°C
33°C29/37°C
32°C28/37°C
33°C29/39°C
30°C27/35°C
29°C25/34°C
29°C26/33°C
27°C24/31°C
27°C24/32°C
30°C25/36°C
32°C28/37°C
32°C29/36°C
32°C28/37°C
30°C25/35°C
25°C24/27°C
26°C22/30°C
26°C23/30°C
30°C26/34°C
30°C27/34°C
30°C27/34°C
30°C27/34°C
27°C24/30°C
24°C22/29°C
24°C22/26°C
27°C23/30°C
27°C24/29°C
27°C24/31°C
46AQI
29AQI
41AQI
32AQI
2026 Days Vs Air Quality
Yamatocho, Kawaguchi, Saitama, Japan
82%
187
18%
40
Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)
Under WHO’s Safe Air Quality Limits: 82%
Health Risk Level:
Low
In 2026, 82% of 227 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
Yamatocho, Kawaguchi, Saitama, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
16AQI (US)
14AQI (US)
15AQI (US)
23AQI (US)
45AQI (US)
16AQI (US)
31AQI (US)
39AQI (US)
18AQI (US)
38AQI (US)
32AQI (US)
16AQI (US)
37AQI (US)
18AQI (US)
34AQI (US)
54AQI (US)
51AQI (US)
28AQI (US)
47AQI (US)
43AQI (US)
14AQI (US)
21AQI (US)
38AQI (US)
42AQI (US)
44AQI (US)
29AQI (US)
42AQI (US)
14AQI (US)
21AQI (US)
35AQI (US)
36AQI (US)
40AQI (US)
44AQI (US)
29AQI (US)
40AQI (US)
66AQI (US)
58AQI (US)
14AQI (US)
14AQI (US)
33AQI (US)
39AQI (US)
55AQI (US)
27AQI (US)
46AQI (US)
64AQI (US)
68AQI (US)
48AQI (US)
21AQI (US)
36AQI (US)
22AQI (US)
28AQI (US)
44AQI (US)
45AQI (US)
41AQI (US)
45AQI (US)
36AQI (US)
13AQI (US)
35AQI (US)
46AQI (US)
36AQI (US)
81AQI (US)
47AQI (US)
59AQI (US)
56AQI (US)
56AQI (US)
47AQI (US)
42AQI (US)
50AQI (US)
58AQI (US)
59AQI (US)
69AQI (US)
41AQI (US)
47AQI (US)
58AQI (US)
58AQI (US)
54AQI (US)
56AQI (US)
37AQI (US)
30AQI (US)
54AQI (US)
57AQI (US)
51AQI (US)
50AQI (US)
57AQI (US)
32AQI (US)
27AQI (US)
49AQI (US)
52AQI (US)
56AQI (US)
20AQI (US)
23AQI (US)
35AQI (US)
43AQI (US)
46AQI (US)
38AQI (US)
29AQI (US)
34AQI (US)
26AQI (US)
32AQI (US)
47AQI (US)
52AQI (US)
33AQI (US)
39AQI (US)
41AQI (US)
39AQI (US)
28AQI (US)
36AQI (US)
31AQI (US)
35AQI (US)
38AQI (US)
39AQI (US)
46AQI (US)
35AQI (US)
32AQI (US)
46AQI (US)
51AQI (US)
49AQI (US)
42AQI (US)
39AQI (US)
38AQI (US)
48AQI (US)
49AQI (US)
49AQI (US)
29AQI (US)
22AQI (US)
29AQI (US)
30AQI (US)
25AQI (US)
26AQI (US)
30AQI (US)
27AQI (US)
33AQI (US)
40AQI (US)
36AQI (US)
36AQI (US)
85AQI (US)
68AQI (US)
52AQI (US)
49AQI (US)
62AQI (US)
59AQI (US)
61AQI (US)
53AQI (US)
59AQI (US)
46AQI (US)
39AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
24AQI (US)
27AQI (US)
31AQI (US)
28AQI (US)
17AQI (US)
24AQI (US)
22AQI (US)
21AQI (US)
22AQI (US)
21AQI (US)
23AQI (US)
22AQI (US)
25AQI (US)
25AQI (US)
34AQI (US)
42AQI (US)
14AQI (US)
24AQI (US)
24AQI (US)
25AQI (US)
28AQI (US)
23AQI (US)
20AQI (US)
19AQI (US)
21AQI (US)
21AQI (US)
26AQI (US)
30AQI (US)
27AQI (US)
28AQI (US)
27AQI (US)
25AQI (US)
26AQI (US)
21AQI (US)
17AQI (US)
37AQI (US)
21AQI (US)
25AQI (US)
26AQI (US)
24AQI (US)
21AQI (US)
25AQI (US)
25AQI (US)
27AQI (US)
32AQI (US)
36AQI (US)
36AQI (US)
66AQI (US)
49AQI (US)
26AQI (US)
20AQI (US)
39AQI (US)
52AQI (US)
69AQI (US)
63AQI (US)
42AQI (US)
33AQI (US)
26AQI (US)
24AQI (US)
33AQI (US)
35AQI (US)
37AQI (US)
48AQI (US)
59AQI (US)
52AQI (US)
18AQI (US)
34AQI (US)
29AQI (US)
24AQI (US)
33AQI (US)
47AQI (US)
34AQI (US)
31AQI (US)
39AQI (US)
28AQI (US)
26AQI (US)
25AQI (US)
33AQI (US)
31AQI (US)
39AQI (US)
50AQI (US)
38AQI (US)
41AQI (US)
25AQI (US)
34AQI (US)
34AQI (US)
No. of days
202637AQI (US)
Highest AQI (US) recorded in
March50AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202536AQI (US)
Highest AQI (US) recorded in
December50AQI (US)
Lowest AQI (US) recorded in
May20AQI (US)
202435AQI (US)
Highest AQI (US) recorded in
July43AQI (US)
Lowest AQI (US) recorded in
December26AQI (US)
202335AQI (US)
Highest AQI (US) recorded in
April44AQI (US)
Lowest AQI (US) recorded in
August24AQI (US)
202235AQI (US)
Highest AQI (US) recorded in
June50AQI (US)
Lowest AQI (US) recorded in
August24AQI (US)
202122AQI (US)
Highest AQI (US) recorded in
June32AQI (US)
Lowest AQI (US) recorded in
April13AQI (US)
202017AQI (US)
Highest AQI (US) recorded in
August23AQI (US)
Lowest AQI (US) recorded in
April12AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Yamatocho's annual 2026 AQI (US) (37) shows an average percentage change of 34.2% (worsened AQI (US)) compared to previous years: 2020 (17), 2021 (22), 2022 (35), 2023 (35), 2024 (35), 2025 (36).