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 (16th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 27 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 15th Aug - 16th Aug 2026
Yamatocho, Kawaguchi, Saitama, Japan
4 AM15th Aug 2026
6 PM
3 AM16th Aug 2026
48AQI
21AQI
38AQI
21AQI
In the last 24 hours,
Yamatocho's AQI reached its highest point of 48 at 2 PM during the Day, while the lowest point, 21, was recorded at 12 AM during the Night between 15th Aug and 16th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Yamatocho, Kawaguchi, Saitama, Japan
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
26°C24/29°C
45AQI
28AQI
40AQI
31AQI
2026 Days Vs Air Quality
Yamatocho, Kawaguchi, Saitama, Japan
82%
188
18%
40
Total number of days with different AQI categories in last 228 days in 2026 (137 days remaining)
Under WHO’s Safe Air Quality Limits: 82%
Health Risk Level:
Low
In 2026, 82% of 228 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)
27AQI (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).