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 (6th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 50 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Kawagoe, Saitama, Japan
4 AM6th Aug 2025
6 PM
3 AM7th Aug 2025
58AQI
41AQI
56AQI
42AQI
In the last 24 hours,
Kawagoe's AQI reached its highest point of 58 at 5 PM during the Day, while the lowest point, 41, was recorded at 11 AM during the Day between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Kawagoe, Saitama, Japan
32°C29/36°C
31°C28/36°C
30°C24/37°C
24°C23/25°C
25°C22/30°C
28°C24/32°C
27°C25/30°C
29°C27/33°C
29°C26/33°C
30°C27/33°C
29°C26/33°C
30°C26/34°C
31°C27/36°C
32°C28/38°C
33°C29/38°C
33°C29/38°C
33°C29/38°C
33°C29/38°C
33°C29/39°C
33°C29/38°C
33°C29/38°C
33°C28/39°C
31°C28/37°C
30°C26/36°C
28°C26/32°C
32°C27/38°C
32°C29/38°C
34°C29/39°C
35°C30/40°C
34°C30/39°C
--°C/°C
49AQI
46AQI
47AQI
39AQI
2025 Days Vs Air Quality
Kawagoe, Saitama, Japan
88%
192
12%
26
Total number of days with different AQI categories in last 219 days in 2025 (146 days remaining)
Under WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2025, 88% of 219 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 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
30AQI
31AQI
24AQI
25AQI
36AQI
50AQI
29AQI
34AQI
32AQI
28AQI
28AQI
39AQI
30AQI
36AQI
33AQI
30AQI
29AQI
32AQI
46AQI
40AQI
44AQI
37AQI
45AQI
46AQI
37AQI
37AQI
34AQI
40AQI
30AQI
32AQI
28AQI
42AQI
38AQI
40AQI
32AQI
32AQI
27AQI
28AQI
27AQI
28AQI
27AQI
29AQI
39AQI
32AQI
33AQI
28AQI
39AQI
36AQI
32AQI
29AQI
28AQI
29AQI
29AQI
29AQI
30AQI
33AQI
36AQI
39AQI
49AQI
53AQI
60AQI
38AQI
39AQI
28AQI
35AQI
33AQI
38AQI
37AQI
37AQI
39AQI
45AQI
45AQI
36AQI
37AQI
23AQI
21AQI
22AQI
17AQI
23AQI
37AQI
47AQI
54AQI
56AQI
69AQI
70AQI
70AQI
55AQI
34AQI
36AQI
29AQI
28AQI
21AQI
21AQI
19AQI
26AQI
21AQI
28AQI
36AQI
27AQI
45AQI
40AQI
42AQI
31AQI
37AQI
28AQI
27AQI
44AQI
53AQI
64AQI
58AQI
48AQI
50AQI
32AQI
41AQI
39AQI
47AQI
49AQI
49AQI
35AQI
48AQI
40AQI
32AQI
30AQI
39AQI
32AQI
31AQI
22AQI
29AQI
29AQI
22AQI
21AQI
24AQI
34AQI
37AQI
37AQI
44AQI
26AQI
44AQI
43AQI
61AQI
61AQI
49AQI
46AQI
44AQI
33AQI
31AQI
26AQI
27AQI
31AQI
28AQI
19AQI
24AQI
31AQI
36AQI
29AQI
41AQI
45AQI
50AQI
58AQI
51AQI
37AQI
33AQI
42AQI
48AQI
37AQI
34AQI
42AQI
52AQI
46AQI
50AQI
48AQI
37AQI
23AQI
25AQI
28AQI
21AQI
22AQI
32AQI
33AQI
39AQI
44AQI
49AQI
50AQI
49AQI
49AQI
51AQI
60AQI
76AQI
78AQI
79AQI
63AQI
47AQI
51AQI
52AQI
39AQI
37AQI
37AQI
37AQI
34AQI
32AQI
34AQI
37AQI
40AQI
44AQI
46AQI
43AQI
43AQI
40AQI
46AQI
42AQI
34AQI
35AQI
32AQI
41AQI
45AQI
60AQI
51AQI
50AQI
35AQI
33AQI
41AQI
38AQI
35AQI
38AQI
47AQI
47AQI
No. of days
202538AQI
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
February33AQI
202437AQI
Highest AQI recorded in
July50AQI
Lowest AQI recorded in
December32AQI
202340AQI
Highest AQI recorded in
April46AQI
Lowest AQI recorded in
August30AQI
202238AQI
Highest AQI recorded in
June46AQI
Lowest AQI recorded in
December29AQI
202134AQI
Highest AQI recorded in
June40AQI
Lowest AQI recorded in
February23AQI
202033AQI
Highest AQI recorded in
August44AQI
Lowest AQI recorded in
September23AQI
Most & Least Polluted Years Over the Last 6 Years
Kawagoe's annual 2025 AQI (38) shows an average percentage change of 5.1% (worsened AQI) compared to previous years: 2020 (33), 2021 (34), 2022 (38), 2023 (40), 2024 (37).