Kamakura, Matsudo, Chiba, 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
Kamakura, Matsudo, Chiba, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (15th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 24 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 14th Aug - 15th Aug 2026
Kamakura, Matsudo, Chiba, Japan
4 AM14th Aug 2026
6 PM
3 AM15th Aug 2026
29AQI
17AQI
27AQI
21AQI
In the last 24 hours,
Kamakura's AQI reached its highest point of 29 at 4 AM during the Day, while the lowest point, 17, was recorded at 12 PM during the Day between 14th Aug and 15th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Kamakura, Matsudo, Chiba, Japan
29°C26/31°C
28°C25/31°C
28°C25/31°C
30°C26/35°C
31°C27/36°C
31°C27/35°C
32°C28/38°C
29°C26/34°C
29°C24/35°C
28°C25/32°C
26°C24/30°C
26°C23/31°C
29°C25/35°C
31°C27/36°C
31°C28/36°C
31°C27/36°C
29°C24/34°C
25°C24/27°C
25°C22/29°C
26°C23/30°C
29°C25/33°C
29°C26/33°C
29°C26/34°C
29°C26/34°C
27°C24/31°C
23°C20/27°C
23°C22/25°C
26°C23/31°C
26°C24/28°C
27°C24/31°C
37AQI
28AQI
36AQI
29AQI
2026 Days Vs Air Quality
Kamakura, Matsudo, Chiba, Japan
86%
196
14%
31
Total number of days with different AQI categories in last 227 days in 2026 (138 days remaining)
Under WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2026, 86% 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
Kamakura, Matsudo, Chiba, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
16AQI (US)
20AQI (US)
14AQI (US)
23AQI (US)
50AQI (US)
24AQI (US)
34AQI (US)
41AQI (US)
18AQI (US)
38AQI (US)
32AQI (US)
22AQI (US)
42AQI (US)
18AQI (US)
31AQI (US)
52AQI (US)
52AQI (US)
29AQI (US)
49AQI (US)
51AQI (US)
13AQI (US)
25AQI (US)
39AQI (US)
42AQI (US)
44AQI (US)
23AQI (US)
37AQI (US)
23AQI (US)
20AQI (US)
28AQI (US)
38AQI (US)
41AQI (US)
48AQI (US)
28AQI (US)
40AQI (US)
63AQI (US)
60AQI (US)
14AQI (US)
12AQI (US)
35AQI (US)
41AQI (US)
61AQI (US)
31AQI (US)
50AQI (US)
61AQI (US)
70AQI (US)
53AQI (US)
19AQI (US)
40AQI (US)
32AQI (US)
30AQI (US)
49AQI (US)
47AQI (US)
37AQI (US)
38AQI (US)
34AQI (US)
16AQI (US)
42AQI (US)
28AQI (US)
20AQI (US)
51AQI (US)
44AQI (US)
41AQI (US)
12AQI (US)
23AQI (US)
41AQI (US)
34AQI (US)
42AQI (US)
56AQI (US)
56AQI (US)
64AQI (US)
37AQI (US)
45AQI (US)
55AQI (US)
47AQI (US)
47AQI (US)
50AQI (US)
38AQI (US)
28AQI (US)
57AQI (US)
49AQI (US)
48AQI (US)
48AQI (US)
61AQI (US)
29AQI (US)
26AQI (US)
50AQI (US)
50AQI (US)
54AQI (US)
32AQI (US)
27AQI (US)
33AQI (US)
44AQI (US)
46AQI (US)
38AQI (US)
30AQI (US)
27AQI (US)
32AQI (US)
32AQI (US)
43AQI (US)
46AQI (US)
32AQI (US)
41AQI (US)
39AQI (US)
38AQI (US)
33AQI (US)
34AQI (US)
30AQI (US)
31AQI (US)
31AQI (US)
36AQI (US)
46AQI (US)
38AQI (US)
32AQI (US)
45AQI (US)
51AQI (US)
49AQI (US)
43AQI (US)
39AQI (US)
35AQI (US)
46AQI (US)
49AQI (US)
44AQI (US)
31AQI (US)
21AQI (US)
29AQI (US)
29AQI (US)
25AQI (US)
26AQI (US)
30AQI (US)
28AQI (US)
32AQI (US)
38AQI (US)
32AQI (US)
34AQI (US)
85AQI (US)
68AQI (US)
53AQI (US)
48AQI (US)
60AQI (US)
58AQI (US)
59AQI (US)
53AQI (US)
58AQI (US)
46AQI (US)
39AQI (US)
24AQI (US)
25AQI (US)
24AQI (US)
22AQI (US)
27AQI (US)
29AQI (US)
23AQI (US)
13AQI (US)
22AQI (US)
22AQI (US)
21AQI (US)
22AQI (US)
20AQI (US)
23AQI (US)
22AQI (US)
24AQI (US)
23AQI (US)
34AQI (US)
43AQI (US)
12AQI (US)
22AQI (US)
23AQI (US)
23AQI (US)
25AQI (US)
22AQI (US)
20AQI (US)
19AQI (US)
20AQI (US)
22AQI (US)
26AQI (US)
29AQI (US)
22AQI (US)
26AQI (US)
24AQI (US)
23AQI (US)
32AQI (US)
20AQI (US)
16AQI (US)
35AQI (US)
22AQI (US)
25AQI (US)
26AQI (US)
24AQI (US)
23AQI (US)
24AQI (US)
24AQI (US)
27AQI (US)
35AQI (US)
36AQI (US)
36AQI (US)
66AQI (US)
52AQI (US)
20AQI (US)
16AQI (US)
27AQI (US)
43AQI (US)
68AQI (US)
63AQI (US)
41AQI (US)
30AQI (US)
23AQI (US)
23AQI (US)
25AQI (US)
31AQI (US)
34AQI (US)
47AQI (US)
58AQI (US)
48AQI (US)
19AQI (US)
24AQI (US)
24AQI (US)
24AQI (US)
23AQI (US)
23AQI (US)
28AQI (US)
25AQI (US)
30AQI (US)
24AQI (US)
26AQI (US)
24AQI (US)
24AQI (US)
32AQI (US)
40AQI (US)
43AQI (US)
37AQI (US)
40AQI (US)
23AQI (US)
33AQI (US)
28AQI (US)
No. of days
202635AQI (US)
Highest AQI (US) recorded in
March43AQI (US)
Lowest AQI (US) recorded in
June23AQI (US)
202536AQI (US)
Highest AQI (US) recorded in
December51AQI (US)
Lowest AQI (US) recorded in
May19AQI (US)
202436AQI (US)
Highest AQI (US) recorded in
April48AQI (US)
Lowest AQI (US) recorded in
December26AQI (US)
202340AQI (US)
Highest AQI (US) recorded in
April48AQI (US)
Lowest AQI (US) recorded in
August29AQI (US)
202234AQI (US)
Highest AQI (US) recorded in
June43AQI (US)
Lowest AQI (US) recorded in
August16AQI (US)
202125AQI (US)
Highest AQI (US) recorded in
December37AQI (US)
Lowest AQI (US) recorded in
February12AQI (US)
202016AQI (US)
Highest AQI (US) recorded in
August23AQI (US)
Lowest AQI (US) recorded in
September11AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Kamakura's annual 2026 AQI (US) (35) shows an average percentage change of 23.9% (worsened AQI (US)) compared to previous years: 2020 (16), 2021 (25), 2022 (34), 2023 (40), 2024 (36), 2025 (36).