Kawagoe, 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
Kawagoe, Saitama, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (8th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 23 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 7th Aug - 8th Aug 2026
Kawagoe, Saitama, Japan
4 AM7th Aug 2026
6 PM
3 AM8th Aug 2026
49AQI
21AQI
28AQI
22AQI
In the last 24 hours,
Kawagoe's AQI reached its highest point of 49 at 1 PM during the Day, while the lowest point, 21, was recorded at 11 AM during the Day between 7th Aug and 8th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Kawagoe, Saitama, Japan
29°C25/34°C
29°C25/34°C
27°C25/30°C
28°C26/30°C
30°C26/35°C
32°C28/37°C
32°C27/37°C
29°C27/31°C
28°C26/32°C
29°C26/34°C
33°C28/38°C
34°C30/39°C
34°C29/39°C
33°C29/39°C
30°C28/35°C
30°C25/36°C
29°C26/33°C
27°C24/32°C
27°C24/31°C
30°C24/37°C
32°C27/37°C
32°C28/37°C
33°C28/37°C
31°C25/36°C
25°C24/26°C
26°C22/31°C
27°C23/32°C
30°C26/34°C
31°C27/35°C
30°C27/36°C
35AQI
28AQI
34AQI
28AQI
2026 Days Vs Air Quality
Kawagoe, Saitama, Japan
87%
192
13%
28
Total number of days with different AQI categories in last 220 days in 2026 (145 days remaining)
Under WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2026, 87% of 220 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
Kawagoe, Saitama, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
24AQI (US)
20AQI (US)
20AQI (US)
24AQI (US)
37AQI (US)
21AQI (US)
34AQI (US)
24AQI (US)
16AQI (US)
43AQI (US)
26AQI (US)
14AQI (US)
33AQI (US)
15AQI (US)
31AQI (US)
46AQI (US)
53AQI (US)
27AQI (US)
51AQI (US)
34AQI (US)
12AQI (US)
26AQI (US)
36AQI (US)
39AQI (US)
44AQI (US)
25AQI (US)
36AQI (US)
28AQI (US)
22AQI (US)
36AQI (US)
36AQI (US)
37AQI (US)
42AQI (US)
27AQI (US)
35AQI (US)
52AQI (US)
42AQI (US)
10AQI (US)
12AQI (US)
33AQI (US)
41AQI (US)
47AQI (US)
26AQI (US)
45AQI (US)
50AQI (US)
64AQI (US)
45AQI (US)
19AQI (US)
32AQI (US)
29AQI (US)
34AQI (US)
41AQI (US)
44AQI (US)
43AQI (US)
43AQI (US)
35AQI (US)
10AQI (US)
28AQI (US)
41AQI (US)
34AQI (US)
63AQI (US)
42AQI (US)
52AQI (US)
56AQI (US)
51AQI (US)
46AQI (US)
38AQI (US)
49AQI (US)
58AQI (US)
59AQI (US)
66AQI (US)
37AQI (US)
30AQI (US)
12AQI (US)
27AQI (US)
51AQI (US)
54AQI (US)
35AQI (US)
28AQI (US)
51AQI (US)
52AQI (US)
50AQI (US)
46AQI (US)
64AQI (US)
30AQI (US)
20AQI (US)
48AQI (US)
56AQI (US)
56AQI (US)
35AQI (US)
14AQI (US)
22AQI (US)
46AQI (US)
45AQI (US)
34AQI (US)
25AQI (US)
39AQI (US)
25AQI (US)
33AQI (US)
48AQI (US)
39AQI (US)
31AQI (US)
33AQI (US)
40AQI (US)
38AQI (US)
34AQI (US)
33AQI (US)
30AQI (US)
32AQI (US)
34AQI (US)
39AQI (US)
45AQI (US)
36AQI (US)
31AQI (US)
45AQI (US)
51AQI (US)
48AQI (US)
42AQI (US)
39AQI (US)
38AQI (US)
48AQI (US)
49AQI (US)
45AQI (US)
28AQI (US)
21AQI (US)
28AQI (US)
30AQI (US)
26AQI (US)
25AQI (US)
27AQI (US)
29AQI (US)
35AQI (US)
38AQI (US)
34AQI (US)
35AQI (US)
86AQI (US)
68AQI (US)
53AQI (US)
49AQI (US)
62AQI (US)
59AQI (US)
61AQI (US)
54AQI (US)
59AQI (US)
47AQI (US)
39AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
24AQI (US)
26AQI (US)
30AQI (US)
29AQI (US)
22AQI (US)
23AQI (US)
22AQI (US)
20AQI (US)
21AQI (US)
20AQI (US)
23AQI (US)
22AQI (US)
24AQI (US)
24AQI (US)
28AQI (US)
39AQI (US)
16AQI (US)
22AQI (US)
24AQI (US)
25AQI (US)
27AQI (US)
22AQI (US)
19AQI (US)
19AQI (US)
21AQI (US)
21AQI (US)
27AQI (US)
29AQI (US)
26AQI (US)
27AQI (US)
26AQI (US)
24AQI (US)
26AQI (US)
23AQI (US)
16AQI (US)
37AQI (US)
17AQI (US)
29AQI (US)
26AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
26AQI (US)
27AQI (US)
29AQI (US)
29AQI (US)
27AQI (US)
36AQI (US)
42AQI (US)
27AQI (US)
23AQI (US)
28AQI (US)
42AQI (US)
62AQI (US)
50AQI (US)
39AQI (US)
29AQI (US)
21AQI (US)
24AQI (US)
28AQI (US)
31AQI (US)
31AQI (US)
47AQI (US)
50AQI (US)
42AQI (US)
20AQI (US)
23AQI (US)
24AQI (US)
23AQI (US)
25AQI (US)
23AQI (US)
30AQI (US)
36AQI (US)
45AQI (US)
36AQI (US)
41AQI (US)
24AQI (US)
31AQI (US)
29AQI (US)
No. of days
202634AQI (US)
Highest AQI (US) recorded in
March45AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202541AQI (US)
Highest AQI (US) recorded in
October51AQI (US)
Lowest AQI (US) recorded in
February33AQI (US)
202437AQI (US)
Highest AQI (US) recorded in
July50AQI (US)
Lowest AQI (US) recorded in
December32AQI (US)
202340AQI (US)
Highest AQI (US) recorded in
April46AQI (US)
Lowest AQI (US) recorded in
August30AQI (US)
202238AQI (US)
Highest AQI (US) recorded in
June46AQI (US)
Lowest AQI (US) recorded in
December29AQI (US)
202134AQI (US)
Highest AQI (US) recorded in
June39AQI (US)
Lowest AQI (US) recorded in
February23AQI (US)
202033AQI (US)
Highest AQI (US) recorded in
August44AQI (US)
Lowest AQI (US) recorded in
September23AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Kawagoe's annual 2026 AQI (US) (34) shows an average percentage change of -7.9% (improved AQI (US)) compared to previous years: 2020 (33), 2021 (34), 2022 (38), 2023 (40), 2024 (37), 2025 (41).