Chigasaki, Kanagawa, 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
Chigasaki, Kanagawa, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (5th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 30 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Day & Night AQI Trend: 5th Aug - 6th Aug 2026
Chigasaki, Kanagawa, Japan
4 AM5th Aug 2026
6 PM
3 AM6th Aug 2026
42AQI
23AQI
46AQI
26AQI
In the last 24 hours,
Chigasaki's AQI reached its highest point of 46 at 11 PM during the Night, while the lowest point, 23, was recorded at 1 PM during the Day between 5th Aug and 6th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Chigasaki, Kanagawa, Japan
24°C22/26°C
25°C23/27°C
25°C24/28°C
26°C24/27°C
26°C25/27°C
26°C25/27°C
27°C25/28°C
27°C25/29°C
28°C26/31°C
27°C25/28°C
26°C25/28°C
27°C25/28°C
29°C26/31°C
29°C27/31°C
29°C28/31°C
30°C28/33°C
28°C27/30°C
28°C25/31°C
27°C25/28°C
26°C25/28°C
26°C24/28°C
28°C25/31°C
29°C27/31°C
29°C27/31°C
29°C27/31°C
29°C25/33°C
25°C24/27°C
25°C23/28°C
26°C24/29°C
28°C26/31°C
38AQI
30AQI
40AQI
31AQI
2026 Days Vs Air Quality
Chigasaki, Kanagawa, Japan
87%
188
13%
29
Total number of days with different AQI categories in last 218 days in 2026 (147 days remaining)
Under WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2026, 87% of 218 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
Chigasaki, Kanagawa, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
24AQI (US)
16AQI (US)
14AQI (US)
16AQI (US)
32AQI (US)
19AQI (US)
20AQI (US)
36AQI (US)
14AQI (US)
28AQI (US)
28AQI (US)
12AQI (US)
30AQI (US)
22AQI (US)
31AQI (US)
46AQI (US)
58AQI (US)
40AQI (US)
42AQI (US)
28AQI (US)
12AQI (US)
22AQI (US)
36AQI (US)
34AQI (US)
33AQI (US)
17AQI (US)
36AQI (US)
31AQI (US)
25AQI (US)
36AQI (US)
36AQI (US)
32AQI (US)
44AQI (US)
29AQI (US)
34AQI (US)
51AQI (US)
50AQI (US)
12AQI (US)
18AQI (US)
35AQI (US)
36AQI (US)
46AQI (US)
38AQI (US)
46AQI (US)
53AQI (US)
52AQI (US)
48AQI (US)
22AQI (US)
24AQI (US)
28AQI (US)
32AQI (US)
43AQI (US)
44AQI (US)
42AQI (US)
42AQI (US)
35AQI (US)
8AQI (US)
37AQI (US)
41AQI (US)
33AQI (US)
60AQI (US)
39AQI (US)
44AQI (US)
50AQI (US)
50AQI (US)
32AQI (US)
24AQI (US)
40AQI (US)
57AQI (US)
56AQI (US)
39AQI (US)
28AQI (US)
44AQI (US)
56AQI (US)
32AQI (US)
37AQI (US)
50AQI (US)
35AQI (US)
32AQI (US)
38AQI (US)
46AQI (US)
43AQI (US)
46AQI (US)
68AQI (US)
30AQI (US)
19AQI (US)
53AQI (US)
50AQI (US)
56AQI (US)
24AQI (US)
20AQI (US)
33AQI (US)
45AQI (US)
44AQI (US)
32AQI (US)
30AQI (US)
26AQI (US)
19AQI (US)
30AQI (US)
48AQI (US)
36AQI (US)
32AQI (US)
34AQI (US)
44AQI (US)
43AQI (US)
27AQI (US)
32AQI (US)
25AQI (US)
30AQI (US)
36AQI (US)
38AQI (US)
47AQI (US)
36AQI (US)
32AQI (US)
45AQI (US)
52AQI (US)
48AQI (US)
43AQI (US)
52AQI (US)
38AQI (US)
34AQI (US)
48AQI (US)
43AQI (US)
28AQI (US)
19AQI (US)
26AQI (US)
28AQI (US)
26AQI (US)
23AQI (US)
30AQI (US)
28AQI (US)
28AQI (US)
37AQI (US)
33AQI (US)
34AQI (US)
86AQI (US)
69AQI (US)
53AQI (US)
49AQI (US)
61AQI (US)
60AQI (US)
61AQI (US)
54AQI (US)
59AQI (US)
46AQI (US)
39AQI (US)
25AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
26AQI (US)
28AQI (US)
28AQI (US)
19AQI (US)
24AQI (US)
22AQI (US)
22AQI (US)
22AQI (US)
20AQI (US)
22AQI (US)
22AQI (US)
24AQI (US)
24AQI (US)
26AQI (US)
40AQI (US)
14AQI (US)
22AQI (US)
24AQI (US)
24AQI (US)
26AQI (US)
22AQI (US)
20AQI (US)
20AQI (US)
22AQI (US)
22AQI (US)
27AQI (US)
30AQI (US)
18AQI (US)
26AQI (US)
26AQI (US)
24AQI (US)
22AQI (US)
16AQI (US)
14AQI (US)
16AQI (US)
14AQI (US)
22AQI (US)
24AQI (US)
24AQI (US)
22AQI (US)
20AQI (US)
16AQI (US)
23AQI (US)
30AQI (US)
28AQI (US)
26AQI (US)
60AQI (US)
56AQI (US)
18AQI (US)
16AQI (US)
26AQI (US)
42AQI (US)
58AQI (US)
60AQI (US)
44AQI (US)
61AQI (US)
20AQI (US)
22AQI (US)
23AQI (US)
28AQI (US)
31AQI (US)
60AQI (US)
62AQI (US)
56AQI (US)
16AQI (US)
26AQI (US)
30AQI (US)
28AQI (US)
37AQI (US)
42AQI (US)
37AQI (US)
40AQI (US)
24AQI (US)
30AQI (US)
38AQI (US)
No. of days
202634AQI (US)
Highest AQI (US) recorded in
March42AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202533AQI (US)
Highest AQI (US) recorded in
August47AQI (US)
Lowest AQI (US) recorded in
May20AQI (US)
202431AQI (US)
Highest AQI (US) recorded in
January39AQI (US)
Lowest AQI (US) recorded in
December24AQI (US)
202342AQI (US)
Highest AQI (US) recorded in
April49AQI (US)
Lowest AQI (US) recorded in
September37AQI (US)
202240AQI (US)
Highest AQI (US) recorded in
August50AQI (US)
Lowest AQI (US) recorded in
December34AQI (US)
202139AQI (US)
Highest AQI (US) recorded in
May46AQI (US)
Lowest AQI (US) recorded in
March34AQI (US)
202038AQI (US)
Highest AQI (US) recorded in
August46AQI (US)
Lowest AQI (US) recorded in
September30AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Chigasaki's annual 2026 AQI (US) (34) shows an average percentage change of -7.4% (improved AQI (US)) compared to previous years: 2020 (38), 2021 (39), 2022 (40), 2023 (42), 2024 (31), 2025 (33).