Kisarazu, Chiba, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
November Air Quality Analysis
Kisarazu, Chiba, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (20th November ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 53 of Moderate air quality, showing improvement over 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Nov - 22nd Nov 2025
Kisarazu, Chiba, Japan
6 AM21st Nov 2025
4 PM
5 AM22nd Nov 2025
AQI
AQI
67AQI
23AQI
In the last 24 hours,
Kisarazu's AQI reached its highest point of 67 at 12 PM during the Night, while the lowest point, 23, was recorded at 7 AM during the Night between 21st Nov and 22nd Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Kisarazu, Chiba, Japan
15°C13/18°C
16°C15/17°C
14°C14/15°C
17°C15/18°C
18°C17/19°C
16°C14/17°C
14°C14/15°C
16°C13/19°C
17°C15/20°C
21°C19/22°C
18°C16/19°C
17°C14/19°C
14°C12/17°C
15°C13/18°C
15°C14/18°C
16°C14/19°C
15°C14/15°C
15°C14/17°C
16°C14/20°C
13°C12/14°C
13°C10/15°C
15°C14/16°C
15°C13/17°C
15°C13/16°C
15°C13/16°C
17°C14/20°C
12°C10/12°C
10°C8/12°C
11°C9/12°C
--°C/°C
--°C/°C
52AQI
37AQI
45AQI
40AQI
2025 Days Vs Air Quality
Kisarazu, Chiba, Japan
88%
285
12%
39
Total number of days with different AQI categories in last 325 days in 2025 (40 days remaining)
Under WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2025, 88% of 325 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
Kisarazu, Chiba, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
31AQI
31AQI
26AQI
31AQI
34AQI
57AQI
32AQI
38AQI
31AQI
30AQI
29AQI
37AQI
30AQI
40AQI
38AQI
32AQI
31AQI
31AQI
55AQI
45AQI
44AQI
41AQI
51AQI
50AQI
40AQI
39AQI
36AQI
38AQI
33AQI
33AQI
29AQI
38AQI
32AQI
45AQI
31AQI
36AQI
30AQI
32AQI
31AQI
31AQI
31AQI
32AQI
33AQI
31AQI
29AQI
30AQI
38AQI
36AQI
32AQI
31AQI
30AQI
31AQI
32AQI
33AQI
34AQI
35AQI
35AQI
39AQI
49AQI
50AQI
63AQI
41AQI
39AQI
27AQI
33AQI
31AQI
34AQI
33AQI
34AQI
40AQI
53AQI
45AQI
41AQI
37AQI
28AQI
23AQI
24AQI
18AQI
25AQI
41AQI
47AQI
55AQI
54AQI
64AQI
82AQI
68AQI
50AQI
37AQI
42AQI
31AQI
31AQI
23AQI
21AQI
23AQI
23AQI
23AQI
30AQI
35AQI
27AQI
44AQI
38AQI
37AQI
25AQI
39AQI
29AQI
34AQI
44AQI
49AQI
58AQI
43AQI
42AQI
38AQI
28AQI
38AQI
34AQI
42AQI
44AQI
37AQI
35AQI
43AQI
39AQI
28AQI
30AQI
37AQI
34AQI
27AQI
24AQI
25AQI
27AQI
23AQI
29AQI
30AQI
35AQI
32AQI
36AQI
36AQI
26AQI
40AQI
40AQI
56AQI
36AQI
34AQI
37AQI
35AQI
29AQI
26AQI
25AQI
24AQI
26AQI
22AQI
16AQI
19AQI
25AQI
26AQI
29AQI
36AQI
42AQI
44AQI
49AQI
35AQI
28AQI
24AQI
36AQI
31AQI
29AQI
35AQI
35AQI
44AQI
41AQI
39AQI
34AQI
27AQI
18AQI
20AQI
20AQI
19AQI
19AQI
30AQI
30AQI
29AQI
34AQI
33AQI
37AQI
39AQI
38AQI
47AQI
64AQI
74AQI
75AQI
70AQI
54AQI
49AQI
53AQI
50AQI
41AQI
39AQI
38AQI
40AQI
35AQI
30AQI
29AQI
29AQI
27AQI
27AQI
29AQI
24AQI
24AQI
22AQI
25AQI
27AQI
27AQI
28AQI
35AQI
42AQI
44AQI
63AQI
50AQI
51AQI
49AQI
45AQI
47AQI
38AQI
37AQI
36AQI
34AQI
37AQI
37AQI
38AQI
39AQI
43AQI
45AQI
47AQI
49AQI
49AQI
47AQI
55AQI
55AQI
53AQI
51AQI
46AQI
51AQI
55AQI
53AQI
42AQI
36AQI
36AQI
41AQI
31AQI
29AQI
30AQI
39AQI
41AQI
36AQI
30AQI
30AQI
29AQI
35AQI
33AQI
32AQI
48AQI
47AQI
33AQI
33AQI
29AQI
27AQI
27AQI
27AQI
30AQI
40AQI
32AQI
23AQI
23AQI
24AQI
29AQI
43AQI
42AQI
47AQI
56AQI
47AQI
46AQI
56AQI
49AQI
49AQI
47AQI
49AQI
51AQI
47AQI
44AQI
58AQI
52AQI
53AQI
50AQI
52AQI
49AQI
33AQI
34AQI
37AQI
37AQI
33AQI
36AQI
38AQI
43AQI
58AQI
58AQI
24AQI
33AQI
42AQI
28AQI
50AQI
49AQI
48AQI
46AQI
42AQI
43AQI
26AQI
37AQI
60AQI
63AQI
48AQI
44AQI
50AQI
45AQI
35AQI
53AQI
37AQI
34AQI
42AQI
35AQI
31AQI
31AQI
39AQI
46AQI
33AQI
46AQI
43AQI
No. of days
202538AQI
Highest AQI recorded in
October46AQI
Lowest AQI recorded in
June31AQI
202436AQI
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
August27AQI
202336AQI
Highest AQI recorded in
April43AQI
Lowest AQI recorded in
August24AQI
202236AQI
Highest AQI recorded in
March43AQI
Lowest AQI recorded in
August23AQI
202136AQI
Highest AQI recorded in
January41AQI
Lowest AQI recorded in
August32AQI
202033AQI
Highest AQI recorded in
November40AQI
Lowest AQI recorded in
September25AQI
Most & Least Polluted Years Over the Last 6 Years
Kisarazu's annual 2025 AQI (38) shows an average percentage change of 6.8% (worsened AQI) compared to previous years: 2020 (33), 2021 (36), 2022 (36), 2023 (36), 2024 (36).