Kimitsu, Chiba, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Kimitsu, Chiba, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 28 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.
Day & Night AQI Trend: 2nd Oct - 3rd Oct 2026
Kimitsu, Chiba, Japan
5 AM2nd Oct 2026
5 PM
4 AM3rd Oct 2026
36AQI
27AQI
34AQI
26AQI
In the last 24 hours,
Kimitsu's AQI reached its highest point of 36 at 5 AM during the Day, while the lowest point, 26, was recorded at 12 AM during the Night between 2nd Oct and 3rd Oct 2026.
Day & Night AQI Trend : Sep - Oct 2026
Kimitsu, Chiba, Japan
23°C22/26°C
21°C20/22°C
21°C20/24°C
24°C23/26°C
26°C22/30°C
26°C20/28°C
19°C18/20°C
19°C18/21°C
20°C19/21°C
23°C20/27°C
25°C22/29°C
23°C21/25°C
21°C20/22°C
20°C19/22°C
19°C18/20°C
21°C19/24°C
21°C20/22°C
24°C21/27°C
24°C23/28°C
21°C20/22°C
22°C19/26°C
22°C20/26°C
19°C17/21°C
19°C17/23°C
23°C20/25°C
19°C17/22°C
17°C17/18°C
19°C17/23°C
19°C16/22°C
18°C15/22°C
30AQI
28AQI
31AQI
28AQI
2026 Days Vs Air Quality
Kimitsu, Chiba, Japan
93%
256
7%
20
Total number of days with different AQI categories in last 276 days in 2026 (89 days remaining)
Under WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2026, 93% of 276 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Kimitsu, Chiba, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
21AQI (US)
20AQI (US)
20AQI (US)
24AQI (US)
36AQI (US)
29AQI (US)
29AQI (US)
39AQI (US)
14AQI (US)
33AQI (US)
30AQI (US)
16AQI (US)
28AQI (US)
20AQI (US)
34AQI (US)
40AQI (US)
33AQI (US)
24AQI (US)
32AQI (US)
32AQI (US)
14AQI (US)
24AQI (US)
37AQI (US)
30AQI (US)
44AQI (US)
26AQI (US)
40AQI (US)
30AQI (US)
20AQI (US)
36AQI (US)
38AQI (US)
36AQI (US)
46AQI (US)
30AQI (US)
34AQI (US)
50AQI (US)
48AQI (US)
19AQI (US)
14AQI (US)
34AQI (US)
31AQI (US)
35AQI (US)
28AQI (US)
38AQI (US)
58AQI (US)
43AQI (US)
42AQI (US)
20AQI (US)
28AQI (US)
14AQI (US)
25AQI (US)
46AQI (US)
26AQI (US)
34AQI (US)
35AQI (US)
26AQI (US)
15AQI (US)
43AQI (US)
41AQI (US)
34AQI (US)
60AQI (US)
42AQI (US)
50AQI (US)
50AQI (US)
51AQI (US)
38AQI (US)
30AQI (US)
44AQI (US)
57AQI (US)
54AQI (US)
60AQI (US)
39AQI (US)
44AQI (US)
55AQI (US)
50AQI (US)
46AQI (US)
50AQI (US)
34AQI (US)
31AQI (US)
39AQI (US)
47AQI (US)
34AQI (US)
29AQI (US)
44AQI (US)
26AQI (US)
28AQI (US)
52AQI (US)
48AQI (US)
40AQI (US)
24AQI (US)
22AQI (US)
20AQI (US)
45AQI (US)
44AQI (US)
32AQI (US)
34AQI (US)
26AQI (US)
23AQI (US)
26AQI (US)
46AQI (US)
44AQI (US)
28AQI (US)
33AQI (US)
39AQI (US)
32AQI (US)
32AQI (US)
34AQI (US)
26AQI (US)
30AQI (US)
34AQI (US)
39AQI (US)
45AQI (US)
34AQI (US)
29AQI (US)
35AQI (US)
50AQI (US)
49AQI (US)
42AQI (US)
37AQI (US)
20AQI (US)
25AQI (US)
24AQI (US)
36AQI (US)
29AQI (US)
20AQI (US)
26AQI (US)
27AQI (US)
22AQI (US)
26AQI (US)
30AQI (US)
26AQI (US)
30AQI (US)
37AQI (US)
32AQI (US)
39AQI (US)
85AQI (US)
68AQI (US)
52AQI (US)
48AQI (US)
60AQI (US)
58AQI (US)
59AQI (US)
53AQI (US)
58AQI (US)
46AQI (US)
39AQI (US)
24AQI (US)
25AQI (US)
24AQI (US)
23AQI (US)
26AQI (US)
30AQI (US)
18AQI (US)
18AQI (US)
23AQI (US)
22AQI (US)
23AQI (US)
26AQI (US)
18AQI (US)
16AQI (US)
22AQI (US)
24AQI (US)
24AQI (US)
38AQI (US)
36AQI (US)
16AQI (US)
23AQI (US)
22AQI (US)
24AQI (US)
26AQI (US)
22AQI (US)
21AQI (US)
20AQI (US)
21AQI (US)
24AQI (US)
26AQI (US)
27AQI (US)
16AQI (US)
22AQI (US)
26AQI (US)
25AQI (US)
37AQI (US)
24AQI (US)
28AQI (US)
20AQI (US)
25AQI (US)
24AQI (US)
21AQI (US)
21AQI (US)
20AQI (US)
16AQI (US)
22AQI (US)
28AQI (US)
40AQI (US)
28AQI (US)
36AQI (US)
66AQI (US)
50AQI (US)
20AQI (US)
20AQI (US)
26AQI (US)
47AQI (US)
61AQI (US)
56AQI (US)
38AQI (US)
46AQI (US)
28AQI (US)
24AQI (US)
34AQI (US)
32AQI (US)
39AQI (US)
50AQI (US)
61AQI (US)
46AQI (US)
23AQI (US)
28AQI (US)
24AQI (US)
23AQI (US)
24AQI (US)
24AQI (US)
26AQI (US)
24AQI (US)
26AQI (US)
24AQI (US)
28AQI (US)
34AQI (US)
39AQI (US)
28AQI (US)
29AQI (US)
27AQI (US)
31AQI (US)
34AQI (US)
36AQI (US)
36AQI (US)
40AQI (US)
43AQI (US)
30AQI (US)
36AQI (US)
30AQI (US)
31AQI (US)
32AQI (US)
33AQI (US)
26AQI (US)
26AQI (US)
28AQI (US)
27AQI (US)
27AQI (US)
29AQI (US)
30AQI (US)
24AQI (US)
31AQI (US)
32AQI (US)
32AQI (US)
26AQI (US)
27AQI (US)
31AQI (US)
22AQI (US)
26AQI (US)
26AQI (US)
24AQI (US)
29AQI (US)
26AQI (US)
31AQI (US)
29AQI (US)
40AQI (US)
27AQI (US)
32AQI (US)
32AQI (US)
29AQI (US)
31AQI (US)
35AQI (US)
26AQI (US)
26AQI (US)
32AQI (US)
33AQI (US)
28AQI (US)
29AQI (US)
34AQI (US)
43AQI (US)
34AQI (US)
38AQI (US)
23AQI (US)
33AQI (US)
31AQI (US)
29AQI (US)
31AQI (US)
No. of days
202633AQI (US)
Highest AQI (US) recorded in
March43AQI (US)
Lowest AQI (US) recorded in
June23AQI (US)
202539AQI (US)
Highest AQI (US) recorded in
October47AQI (US)
Lowest AQI (US) recorded in
June32AQI (US)
202437AQI (US)
Highest AQI (US) recorded in
July47AQI (US)
Lowest AQI (US) recorded in
October32AQI (US)
202340AQI (US)
Highest AQI (US) recorded in
April47AQI (US)
Lowest AQI (US) recorded in
August30AQI (US)
202238AQI (US)
Highest AQI (US) recorded in
March44AQI (US)
Lowest AQI (US) recorded in
August22AQI (US)
202136AQI (US)
Highest AQI (US) recorded in
May41AQI (US)
Lowest AQI (US) recorded in
October33AQI (US)
202034AQI (US)
Highest AQI (US) recorded in
August39AQI (US)
Lowest AQI (US) recorded in
September26AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Kimitsu's annual 2026 AQI (US) (33) shows an average percentage change of -11.3% (improved AQI (US)) compared to previous years: 2020 (34), 2021 (36), 2022 (38), 2023 (40), 2024 (37), 2025 (39).