Ozone, Kisarazu, 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
Ozone, Kisarazu, Chiba, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (9th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 28 of Good air quality, showing improvement over 2025 on the same day.
Day & Night AQI Trend: 9th Aug - 10th Aug 2026
Ozone, Kisarazu, Chiba, Japan
4 AM9th Aug 2026
6 PM
3 AM10th Aug 2026
38AQI
21AQI
29AQI
23AQI
In the last 24 hours,
Ozone's AQI reached its highest point of 38 at 12 PM during the Day, while the lowest point, 21, was recorded at 8 AM during the Day between 9th Aug and 10th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Ozone, Kisarazu, Chiba, Japan
25°C23/26°C
25°C23/27°C
25°C22/28°C
27°C24/30°C
27°C25/30°C
26°C24/29°C
26°C23/28°C
26°C23/28°C
27°C24/30°C
27°C24/31°C
28°C25/30°C
29°C25/34°C
27°C25/30°C
27°C23/31°C
26°C23/28°C
25°C23/28°C
25°C22/28°C
27°C24/30°C
28°C25/31°C
28°C25/32°C
28°C25/32°C
28°C24/32°C
24°C23/27°C
24°C22/27°C
25°C22/29°C
27°C24/31°C
27°C25/30°C
26°C24/29°C
26°C23/30°C
26°C23/30°C
42AQI
30AQI
36AQI
30AQI
2026 Days Vs Air Quality
Ozone, Kisarazu, Chiba, Japan
88%
195
12%
26
Total number of days with different AQI categories in last 222 days in 2026 (143 days remaining)
Under WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2026, 88% of 222 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
Ozone, Kisarazu, Chiba, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
21AQI (US)
23AQI (US)
20AQI (US)
27AQI (US)
38AQI (US)
23AQI (US)
35AQI (US)
39AQI (US)
13AQI (US)
41AQI (US)
32AQI (US)
14AQI (US)
26AQI (US)
14AQI (US)
22AQI (US)
35AQI (US)
47AQI (US)
28AQI (US)
34AQI (US)
31AQI (US)
15AQI (US)
22AQI (US)
38AQI (US)
29AQI (US)
44AQI (US)
24AQI (US)
38AQI (US)
29AQI (US)
19AQI (US)
34AQI (US)
35AQI (US)
33AQI (US)
45AQI (US)
28AQI (US)
34AQI (US)
58AQI (US)
50AQI (US)
15AQI (US)
12AQI (US)
34AQI (US)
30AQI (US)
38AQI (US)
28AQI (US)
38AQI (US)
57AQI (US)
41AQI (US)
44AQI (US)
14AQI (US)
31AQI (US)
12AQI (US)
23AQI (US)
48AQI (US)
32AQI (US)
28AQI (US)
33AQI (US)
26AQI (US)
13AQI (US)
44AQI (US)
42AQI (US)
33AQI (US)
80AQI (US)
42AQI (US)
55AQI (US)
54AQI (US)
48AQI (US)
44AQI (US)
40AQI (US)
46AQI (US)
57AQI (US)
55AQI (US)
64AQI (US)
41AQI (US)
45AQI (US)
56AQI (US)
54AQI (US)
50AQI (US)
53AQI (US)
34AQI (US)
30AQI (US)
38AQI (US)
49AQI (US)
38AQI (US)
31AQI (US)
45AQI (US)
25AQI (US)
29AQI (US)
52AQI (US)
49AQI (US)
41AQI (US)
16AQI (US)
22AQI (US)
20AQI (US)
45AQI (US)
44AQI (US)
31AQI (US)
34AQI (US)
25AQI (US)
23AQI (US)
27AQI (US)
47AQI (US)
47AQI (US)
27AQI (US)
29AQI (US)
38AQI (US)
33AQI (US)
31AQI (US)
35AQI (US)
28AQI (US)
31AQI (US)
36AQI (US)
37AQI (US)
45AQI (US)
34AQI (US)
28AQI (US)
34AQI (US)
51AQI (US)
48AQI (US)
42AQI (US)
37AQI (US)
22AQI (US)
22AQI (US)
18AQI (US)
38AQI (US)
29AQI (US)
19AQI (US)
27AQI (US)
28AQI (US)
21AQI (US)
24AQI (US)
24AQI (US)
23AQI (US)
28AQI (US)
38AQI (US)
34AQI (US)
39AQI (US)
85AQI (US)
68AQI (US)
53AQI (US)
49AQI (US)
62AQI (US)
58AQI (US)
60AQI (US)
53AQI (US)
58AQI (US)
46AQI (US)
39AQI (US)
24AQI (US)
26AQI (US)
24AQI (US)
22AQI (US)
24AQI (US)
28AQI (US)
11AQI (US)
16AQI (US)
23AQI (US)
21AQI (US)
20AQI (US)
21AQI (US)
18AQI (US)
17AQI (US)
21AQI (US)
23AQI (US)
22AQI (US)
41AQI (US)
35AQI (US)
11AQI (US)
24AQI (US)
22AQI (US)
24AQI (US)
26AQI (US)
21AQI (US)
20AQI (US)
19AQI (US)
21AQI (US)
21AQI (US)
25AQI (US)
29AQI (US)
20AQI (US)
26AQI (US)
25AQI (US)
23AQI (US)
33AQI (US)
17AQI (US)
18AQI (US)
23AQI (US)
18AQI (US)
23AQI (US)
21AQI (US)
18AQI (US)
19AQI (US)
19AQI (US)
18AQI (US)
23AQI (US)
36AQI (US)
34AQI (US)
35AQI (US)
70AQI (US)
52AQI (US)
17AQI (US)
18AQI (US)
33AQI (US)
46AQI (US)
61AQI (US)
56AQI (US)
27AQI (US)
40AQI (US)
28AQI (US)
21AQI (US)
32AQI (US)
29AQI (US)
38AQI (US)
46AQI (US)
60AQI (US)
46AQI (US)
15AQI (US)
20AQI (US)
23AQI (US)
24AQI (US)
25AQI (US)
26AQI (US)
28AQI (US)
29AQI (US)
33AQI (US)
45AQI (US)
34AQI (US)
38AQI (US)
22AQI (US)
31AQI (US)
30AQI (US)
No. of days
202633AQI (US)
Highest AQI (US) recorded in
March45AQI (US)
Lowest AQI (US) recorded in
June22AQI (US)
202538AQI (US)
Highest AQI (US) recorded in
August46AQI (US)
Lowest AQI (US) recorded in
June29AQI (US)
202435AQI (US)
Highest AQI (US) recorded in
July46AQI (US)
Lowest AQI (US) recorded in
August26AQI (US)
202336AQI (US)
Highest AQI (US) recorded in
April43AQI (US)
Lowest AQI (US) recorded in
August22AQI (US)
202234AQI (US)
Highest AQI (US) recorded in
March40AQI (US)
Lowest AQI (US) recorded in
August17AQI (US)
202132AQI (US)
Highest AQI (US) recorded in
January41AQI (US)
Lowest AQI (US) recorded in
October27AQI (US)
202030AQI (US)
Highest AQI (US) recorded in
August36AQI (US)
Lowest AQI (US) recorded in
September22AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Ozone's annual 2026 AQI (US) (33) shows an average percentage change of -2.8% (improved AQI (US)) compared to previous years: 2020 (30), 2021 (32), 2022 (34), 2023 (36), 2024 (35), 2025 (38).