Shishibone, Ichikawa, Chiba, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
June Air Quality Analysis
Shishibone, Ichikawa, Chiba, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (2nd June):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 22 of Good air quality, showing improvement over 2024 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 1st Jun - 2nd Jun 2026
Shishibone, Ichikawa, Chiba, Japan
4 AM1st Jun 2026
6 PM
3 AM2nd Jun 2026
40AQI
24AQI
41AQI
25AQI
In the last 24 hours,
Shishibone's AQI reached its highest point of 41 at 2 AM during the Night, while the lowest point, 24, was recorded at 4 AM during the Day between 1st Jun and 2nd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Shishibone, Ichikawa, Chiba, Japan
21°C17/25°C
18°C15/22°C
18°C16/21°C
20°C17/24°C
21°C19/24°C
20°C17/23°C
18°C16/20°C
19°C17/22°C
20°C16/24°C
22°C17/26°C
20°C16/24°C
19°C14/24°C
21°C16/26°C
23°C18/29°C
23°C19/27°C
22°C19/26°C
23°C20/27°C
19°C17/22°C
15°C13/15°C
16°C13/19°C
19°C16/22°C
22°C18/27°C
23°C19/27°C
23°C20/27°C
23°C21/25°C
23°C20/26°C
24°C20/27°C
25°C21/30°C
24°C21/29°C
22°C19/25°C
46AQI
35AQI
44AQI
35AQI
2026 Days Vs Air Quality
Shishibone, Ichikawa, Chiba, Japan
84%
128
16%
25
Total number of days with different AQI categories in last 153 days in 2026 (212 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2026, 84% of 153 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
Shishibone, Ichikawa, Chiba, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
19AQI (US)
19AQI (US)
15AQI (US)
22AQI (US)
48AQI (US)
20AQI (US)
30AQI (US)
41AQI (US)
15AQI (US)
37AQI (US)
31AQI (US)
19AQI (US)
37AQI (US)
16AQI (US)
27AQI (US)
48AQI (US)
53AQI (US)
24AQI (US)
44AQI (US)
49AQI (US)
12AQI (US)
24AQI (US)
38AQI (US)
42AQI (US)
43AQI (US)
22AQI (US)
44AQI (US)
24AQI (US)
18AQI (US)
27AQI (US)
38AQI (US)
39AQI (US)
47AQI (US)
26AQI (US)
41AQI (US)
64AQI (US)
63AQI (US)
14AQI (US)
13AQI (US)
32AQI (US)
41AQI (US)
58AQI (US)
30AQI (US)
48AQI (US)
63AQI (US)
63AQI (US)
50AQI (US)
16AQI (US)
41AQI (US)
19AQI (US)
26AQI (US)
48AQI (US)
50AQI (US)
33AQI (US)
45AQI (US)
34AQI (US)
21AQI (US)
34AQI (US)
24AQI (US)
19AQI (US)
60AQI (US)
43AQI (US)
41AQI (US)
10AQI (US)
26AQI (US)
43AQI (US)
33AQI (US)
42AQI (US)
56AQI (US)
56AQI (US)
63AQI (US)
37AQI (US)
45AQI (US)
56AQI (US)
48AQI (US)
46AQI (US)
49AQI (US)
37AQI (US)
32AQI (US)
51AQI (US)
45AQI (US)
46AQI (US)
48AQI (US)
62AQI (US)
28AQI (US)
29AQI (US)
51AQI (US)
50AQI (US)
56AQI (US)
34AQI (US)
28AQI (US)
32AQI (US)
45AQI (US)
46AQI (US)
38AQI (US)
29AQI (US)
27AQI (US)
22AQI (US)
30AQI (US)
48AQI (US)
49AQI (US)
34AQI (US)
43AQI (US)
39AQI (US)
36AQI (US)
34AQI (US)
33AQI (US)
31AQI (US)
33AQI (US)
32AQI (US)
35AQI (US)
44AQI (US)
39AQI (US)
32AQI (US)
46AQI (US)
52AQI (US)
49AQI (US)
43AQI (US)
40AQI (US)
35AQI (US)
47AQI (US)
49AQI (US)
51AQI (US)
36AQI (US)
22AQI (US)
30AQI (US)
29AQI (US)
26AQI (US)
25AQI (US)
29AQI (US)
29AQI (US)
33AQI (US)
39AQI (US)
34AQI (US)
34AQI (US)
86AQI (US)
69AQI (US)
53AQI (US)
48AQI (US)
62AQI (US)
59AQI (US)
60AQI (US)
53AQI (US)
57AQI (US)
46AQI (US)
40AQI (US)
24AQI (US)
26AQI (US)
25AQI (US)
23AQI (US)
27AQI (US)
29AQI (US)
22AQI (US)
31AQI (US)
39AQI (US)
43AQI (US)
37AQI (US)
41AQI (US)
26AQI (US)
No. of days
202638AQI (US)
Highest AQI (US) recorded in
March43AQI (US)
Lowest AQI (US) recorded in
June26AQI (US)
202535AQI (US)
Highest AQI (US) recorded in
December50AQI (US)
Lowest AQI (US) recorded in
May19AQI (US)
202430AQI (US)
Highest AQI (US) recorded in
June38AQI (US)
Lowest AQI (US) recorded in
August23AQI (US)
202330AQI (US)
Highest AQI (US) recorded in
April42AQI (US)
Lowest AQI (US) recorded in
August17AQI (US)
202230AQI (US)
Highest AQI (US) recorded in
April35AQI (US)
Lowest AQI (US) recorded in
August21AQI (US)
202122AQI (US)
Highest AQI (US) recorded in
May39AQI (US)
Lowest AQI (US) recorded in
February12AQI (US)
202015AQI (US)
Highest AQI (US) recorded in
March21AQI (US)
Lowest AQI (US) recorded in
September11AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Shishibone's annual 2026 AQI (US) (38) shows an average percentage change of 52.4% (worsened AQI (US)) compared to previous years: 2020 (15), 2021 (22), 2022 (30), 2023 (30), 2024 (30), 2025 (35).