Chishirodaikita, Yotsukaido, 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
Chishirodaikita, Yotsukaido, Chiba, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (18th August):
On this day, AQI across the 3 years varied significantly: 2026 ranks 3rd highest AQI at 34 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 17th Aug - 18th Aug 2026
Chishirodaikita, Yotsukaido, Chiba, Japan
4 AM17th Aug 2026
6 PM
3 AM18th Aug 2026
52AQI
23AQI
42AQI
23AQI
In the last 24 hours,
Chishirodaikita's AQI reached its highest point of 52 at 12 PM during the Day, while the lowest point, 23, was recorded at 7 PM during the Night between 17th Aug and 18th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Chishirodaikita, Yotsukaido, Chiba, Japan
30°C25/37°C
31°C26/38°C
31°C27/37°C
31°C27/36°C
28°C25/33°C
28°C23/32°C
27°C24/32°C
25°C23/29°C
26°C22/29°C
29°C24/35°C
31°C26/37°C
29°C26/35°C
30°C26/36°C
28°C24/32°C
24°C23/27°C
24°C22/27°C
25°C22/29°C
28°C24/33°C
29°C25/33°C
28°C24/34°C
28°C24/33°C
26°C23/30°C
22°C18/26°C
22°C21/24°C
26°C22/31°C
25°C23/28°C
26°C23/31°C
25°C22/29°C
13°C9/19°C
26°C23/30°C
46AQI
39AQI
41AQI
38AQI
2026 Days Vs Air Quality
Chishirodaikita, Yotsukaido, Chiba, Japan
86%
198
14%
32
Total number of days with different AQI categories in last 230 days in 2026 (135 days remaining)
Under WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2026, 86% of 230 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
Chishirodaikita, Yotsukaido, Chiba, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
17AQI (US)
24AQI (US)
20AQI (US)
26AQI (US)
50AQI (US)
24AQI (US)
34AQI (US)
42AQI (US)
18AQI (US)
42AQI (US)
40AQI (US)
22AQI (US)
47AQI (US)
17AQI (US)
37AQI (US)
48AQI (US)
53AQI (US)
37AQI (US)
42AQI (US)
45AQI (US)
14AQI (US)
27AQI (US)
38AQI (US)
40AQI (US)
19AQI (US)
20AQI (US)
41AQI (US)
31AQI (US)
18AQI (US)
33AQI (US)
36AQI (US)
38AQI (US)
37AQI (US)
17AQI (US)
39AQI (US)
66AQI (US)
65AQI (US)
15AQI (US)
10AQI (US)
32AQI (US)
40AQI (US)
61AQI (US)
36AQI (US)
43AQI (US)
55AQI (US)
55AQI (US)
50AQI (US)
14AQI (US)
32AQI (US)
13AQI (US)
22AQI (US)
42AQI (US)
47AQI (US)
33AQI (US)
36AQI (US)
16AQI (US)
16AQI (US)
43AQI (US)
44AQI (US)
35AQI (US)
79AQI (US)
44AQI (US)
57AQI (US)
53AQI (US)
48AQI (US)
45AQI (US)
40AQI (US)
49AQI (US)
58AQI (US)
57AQI (US)
67AQI (US)
40AQI (US)
46AQI (US)
57AQI (US)
44AQI (US)
29AQI (US)
32AQI (US)
41AQI (US)
33AQI (US)
42AQI (US)
53AQI (US)
39AQI (US)
42AQI (US)
46AQI (US)
28AQI (US)
28AQI (US)
51AQI (US)
56AQI (US)
51AQI (US)
23AQI (US)
28AQI (US)
10AQI (US)
39AQI (US)
45AQI (US)
38AQI (US)
29AQI (US)
27AQI (US)
19AQI (US)
29AQI (US)
46AQI (US)
43AQI (US)
28AQI (US)
34AQI (US)
38AQI (US)
36AQI (US)
32AQI (US)
35AQI (US)
30AQI (US)
32AQI (US)
37AQI (US)
39AQI (US)
45AQI (US)
38AQI (US)
32AQI (US)
45AQI (US)
50AQI (US)
48AQI (US)
43AQI (US)
39AQI (US)
18AQI (US)
42AQI (US)
48AQI (US)
43AQI (US)
32AQI (US)
21AQI (US)
28AQI (US)
26AQI (US)
25AQI (US)
21AQI (US)
30AQI (US)
29AQI (US)
31AQI (US)
39AQI (US)
36AQI (US)
34AQI (US)
86AQI (US)
68AQI (US)
52AQI (US)
49AQI (US)
62AQI (US)
59AQI (US)
59AQI (US)
52AQI (US)
57AQI (US)
47AQI (US)
38AQI (US)
24AQI (US)
25AQI (US)
26AQI (US)
24AQI (US)
26AQI (US)
36AQI (US)
26AQI (US)
15AQI (US)
20AQI (US)
21AQI (US)
21AQI (US)
22AQI (US)
20AQI (US)
23AQI (US)
22AQI (US)
24AQI (US)
23AQI (US)
41AQI (US)
45AQI (US)
13AQI (US)
21AQI (US)
23AQI (US)
23AQI (US)
26AQI (US)
22AQI (US)
20AQI (US)
19AQI (US)
21AQI (US)
21AQI (US)
26AQI (US)
30AQI (US)
26AQI (US)
27AQI (US)
26AQI (US)
22AQI (US)
31AQI (US)
22AQI (US)
18AQI (US)
35AQI (US)
19AQI (US)
24AQI (US)
25AQI (US)
23AQI (US)
22AQI (US)
23AQI (US)
23AQI (US)
25AQI (US)
50AQI (US)
51AQI (US)
50AQI (US)
74AQI (US)
51AQI (US)
24AQI (US)
33AQI (US)
50AQI (US)
50AQI (US)
69AQI (US)
60AQI (US)
32AQI (US)
36AQI (US)
35AQI (US)
28AQI (US)
41AQI (US)
41AQI (US)
47AQI (US)
46AQI (US)
62AQI (US)
54AQI (US)
24AQI (US)
34AQI (US)
40AQI (US)
43AQI (US)
46AQI (US)
38AQI (US)
35AQI (US)
32AQI (US)
35AQI (US)
29AQI (US)
34AQI (US)
38AQI (US)
42AQI (US)
42AQI (US)
34AQI (US)
34AQI (US)
32AQI (US)
36AQI (US)
46AQI (US)
35AQI (US)
40AQI (US)
24AQI (US)
37AQI (US)
39AQI (US)
No. of days
202636AQI (US)
Highest AQI (US) recorded in
March46AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202540AQI (US)
Highest AQI (US) recorded in
October50AQI (US)
Lowest AQI (US) recorded in
June31AQI (US)
202436AQI (US)
Highest AQI (US) recorded in
July49AQI (US)
Lowest AQI (US) recorded in
January30AQI (US)
202340AQI (US)
Highest AQI (US) recorded in
December41AQI (US)
Lowest AQI (US) recorded in
November28AQI (US)
202243AQI (US)
Highest AQI (US) recorded in
January43AQI (US)
Lowest AQI (US) recorded in
January43AQI (US)
202138AQI (US)
Highest AQI (US) recorded in
November44AQI (US)
Lowest AQI (US) recorded in
April31AQI (US)
202039AQI (US)
Highest AQI (US) recorded in
August48AQI (US)
Lowest AQI (US) recorded in
May27AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Chishirodaikita's annual 2026 AQI (US) (36) shows an average percentage change of -8.2% (improved AQI (US)) compared to previous years: 2020 (39), 2021 (38), 2022 (43), 2023 (40), 2024 (36), 2025 (40).