Honcho, 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
Honcho, Kawaguchi, Saitama, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (9th August):
On this day, AQI across the 3 years varied significantly: 2026 ranks 2nd highest AQI at 36 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 8th Aug - 9th Aug 2026
Honcho, Kawaguchi, Saitama, Japan
4 AM8th Aug 2026
6 PM
3 AM9th Aug 2026
66AQI
21AQI
52AQI
23AQI
In the last 24 hours,
Honcho's AQI reached its highest point of 66 at 4 AM during the Day, while the lowest point, 21, was recorded at 7 AM during the Day between 8th Aug and 9th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Honcho, Kawaguchi, Saitama, Japan
28°C25/32°C
27°C25/29°C
28°C26/30°C
29°C25/34°C
31°C27/35°C
31°C28/36°C
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
29°C27/33°C
30°C25/36°C
29°C26/33°C
27°C24/31°C
27°C24/32°C
29°C25/35°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
27°C23/31°C
30°C26/34°C
30°C27/34°C
30°C27/34°C
30°C27/34°C
47AQI
33AQI
43AQI
37AQI
2026 Days Vs Air Quality
Honcho, Kawaguchi, Saitama, Japan
82%
181
18%
40
Total number of days with different AQI categories in last 221 days in 2026 (144 days remaining)
Under WHO’s Safe Air Quality Limits: 82%
Health Risk Level:
Low
In 2026, 82% of 221 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
Honcho, Kawaguchi, Saitama, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
17AQI (US)
14AQI (US)
16AQI (US)
23AQI (US)
46AQI (US)
16AQI (US)
32AQI (US)
38AQI (US)
19AQI (US)
38AQI (US)
32AQI (US)
17AQI (US)
37AQI (US)
18AQI (US)
34AQI (US)
54AQI (US)
51AQI (US)
29AQI (US)
48AQI (US)
42AQI (US)
14AQI (US)
22AQI (US)
39AQI (US)
42AQI (US)
44AQI (US)
28AQI (US)
42AQI (US)
13AQI (US)
20AQI (US)
37AQI (US)
37AQI (US)
40AQI (US)
45AQI (US)
28AQI (US)
41AQI (US)
66AQI (US)
58AQI (US)
14AQI (US)
15AQI (US)
34AQI (US)
40AQI (US)
55AQI (US)
28AQI (US)
47AQI (US)
63AQI (US)
70AQI (US)
48AQI (US)
21AQI (US)
38AQI (US)
22AQI (US)
28AQI (US)
46AQI (US)
45AQI (US)
42AQI (US)
45AQI (US)
36AQI (US)
14AQI (US)
34AQI (US)
45AQI (US)
34AQI (US)
73AQI (US)
46AQI (US)
55AQI (US)
55AQI (US)
55AQI (US)
47AQI (US)
42AQI (US)
50AQI (US)
58AQI (US)
58AQI (US)
67AQI (US)
41AQI (US)
46AQI (US)
57AQI (US)
57AQI (US)
54AQI (US)
56AQI (US)
36AQI (US)
31AQI (US)
55AQI (US)
57AQI (US)
50AQI (US)
50AQI (US)
61AQI (US)
35AQI (US)
27AQI (US)
42AQI (US)
51AQI (US)
55AQI (US)
20AQI (US)
23AQI (US)
34AQI (US)
43AQI (US)
46AQI (US)
38AQI (US)
28AQI (US)
33AQI (US)
26AQI (US)
31AQI (US)
47AQI (US)
52AQI (US)
33AQI (US)
38AQI (US)
40AQI (US)
39AQI (US)
28AQI (US)
35AQI (US)
31AQI (US)
33AQI (US)
36AQI (US)
39AQI (US)
46AQI (US)
35AQI (US)
32AQI (US)
45AQI (US)
51AQI (US)
49AQI (US)
42AQI (US)
39AQI (US)
38AQI (US)
48AQI (US)
50AQI (US)
48AQI (US)
28AQI (US)
22AQI (US)
30AQI (US)
30AQI (US)
24AQI (US)
25AQI (US)
30AQI (US)
28AQI (US)
34AQI (US)
39AQI (US)
34AQI (US)
37AQI (US)
85AQI (US)
68AQI (US)
53AQI (US)
49AQI (US)
61AQI (US)
58AQI (US)
61AQI (US)
53AQI (US)
58AQI (US)
47AQI (US)
39AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
24AQI (US)
27AQI (US)
30AQI (US)
27AQI (US)
16AQI (US)
23AQI (US)
22AQI (US)
21AQI (US)
22AQI (US)
21AQI (US)
24AQI (US)
22AQI (US)
24AQI (US)
25AQI (US)
35AQI (US)
41AQI (US)
13AQI (US)
25AQI (US)
24AQI (US)
25AQI (US)
27AQI (US)
23AQI (US)
20AQI (US)
19AQI (US)
22AQI (US)
21AQI (US)
26AQI (US)
30AQI (US)
26AQI (US)
28AQI (US)
27AQI (US)
25AQI (US)
26AQI (US)
21AQI (US)
17AQI (US)
37AQI (US)
21AQI (US)
25AQI (US)
26AQI (US)
24AQI (US)
20AQI (US)
25AQI (US)
26AQI (US)
27AQI (US)
31AQI (US)
36AQI (US)
34AQI (US)
62AQI (US)
48AQI (US)
28AQI (US)
26AQI (US)
52AQI (US)
55AQI (US)
68AQI (US)
64AQI (US)
42AQI (US)
37AQI (US)
33AQI (US)
26AQI (US)
35AQI (US)
36AQI (US)
40AQI (US)
49AQI (US)
60AQI (US)
53AQI (US)
25AQI (US)
38AQI (US)
46AQI (US)
47AQI (US)
39AQI (US)
48AQI (US)
36AQI (US)
31AQI (US)
40AQI (US)
49AQI (US)
38AQI (US)
41AQI (US)
24AQI (US)
35AQI (US)
44AQI (US)
No. of days
202637AQI (US)
Highest AQI (US) recorded in
March49AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202535AQI (US)
Highest AQI (US) recorded in
December51AQI (US)
Lowest AQI (US) recorded in
May17AQI (US)
202434AQI (US)
Highest AQI (US) recorded in
September49AQI (US)
Lowest AQI (US) recorded in
March6AQI (US)
202316AQI (US)
Highest AQI (US) recorded in
December16AQI (US)
Lowest AQI (US) recorded in
November11AQI (US)
202015AQI (US)
Highest AQI (US) recorded in
September15AQI (US)
Lowest AQI (US) recorded in
September15AQI (US)
Most & Least Polluted Years Over the Last 5 Years
Honcho's annual 2026 AQI (US) (37) shows an average percentage change of 73.1% (worsened AQI (US)) compared to previous years: 2020 (15), 2023 (16), 2024 (34), 2025 (35).