Sosa, 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
Sosa, Chiba, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (2nd June):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 25 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 1st Jun - 2nd Jun 2026
Sosa, Chiba, Japan
4 AM1st Jun 2026
6 PM
3 AM2nd Jun 2026
76AQI
24AQI
53AQI
14AQI
In the last 24 hours,
Sosa's AQI reached its highest point of 76 at 1 PM during the Day, while the lowest point, 14, was recorded at 3 AM during the Night between 1st Jun and 2nd Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Sosa, Chiba, Japan
22°C16/27°C
17°C13/22°C
18°C15/21°C
21°C17/26°C
22°C18/26°C
20°C16/23°C
18°C16/20°C
19°C16/23°C
19°C16/23°C
21°C16/26°C
19°C15/23°C
18°C14/23°C
20°C15/26°C
22°C17/28°C
23°C18/29°C
24°C19/30°C
24°C19/29°C
19°C15/22°C
15°C13/16°C
16°C14/18°C
19°C16/22°C
22°C18/26°C
22°C19/26°C
23°C20/27°C
23°C21/25°C
21°C19/24°C
23°C19/28°C
24°C21/28°C
25°C20/31°C
22°C19/27°C
42AQI
33AQI
42AQI
35AQI
2026 Days Vs Air Quality
Sosa, Chiba, Japan
88%
134
12%
19
Total number of days with different AQI categories in last 153 days in 2026 (212 days remaining)
Under WHO’s Safe Air Quality Limits: 88%
Health Risk Level:
Low
In 2026, 88% 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
Sosa, Chiba, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
17AQI (US)
12AQI (US)
10AQI (US)
21AQI (US)
38AQI (US)
28AQI (US)
20AQI (US)
36AQI (US)
18AQI (US)
26AQI (US)
35AQI (US)
17AQI (US)
37AQI (US)
13AQI (US)
21AQI (US)
35AQI (US)
41AQI (US)
21AQI (US)
39AQI (US)
31AQI (US)
14AQI (US)
20AQI (US)
14AQI (US)
36AQI (US)
21AQI (US)
15AQI (US)
33AQI (US)
29AQI (US)
18AQI (US)
36AQI (US)
35AQI (US)
40AQI (US)
37AQI (US)
26AQI (US)
41AQI (US)
58AQI (US)
64AQI (US)
11AQI (US)
10AQI (US)
34AQI (US)
40AQI (US)
52AQI (US)
35AQI (US)
44AQI (US)
51AQI (US)
49AQI (US)
46AQI (US)
16AQI (US)
37AQI (US)
28AQI (US)
19AQI (US)
41AQI (US)
39AQI (US)
38AQI (US)
40AQI (US)
26AQI (US)
24AQI (US)
28AQI (US)
36AQI (US)
35AQI (US)
29AQI (US)
20AQI (US)
48AQI (US)
51AQI (US)
47AQI (US)
42AQI (US)
33AQI (US)
42AQI (US)
55AQI (US)
54AQI (US)
63AQI (US)
35AQI (US)
44AQI (US)
55AQI (US)
48AQI (US)
44AQI (US)
48AQI (US)
37AQI (US)
31AQI (US)
39AQI (US)
46AQI (US)
47AQI (US)
52AQI (US)
45AQI (US)
19AQI (US)
32AQI (US)
29AQI (US)
46AQI (US)
49AQI (US)
23AQI (US)
24AQI (US)
28AQI (US)
44AQI (US)
45AQI (US)
40AQI (US)
21AQI (US)
32AQI (US)
17AQI (US)
27AQI (US)
43AQI (US)
30AQI (US)
30AQI (US)
39AQI (US)
43AQI (US)
37AQI (US)
29AQI (US)
24AQI (US)
30AQI (US)
41AQI (US)
32AQI (US)
26AQI (US)
38AQI (US)
43AQI (US)
29AQI (US)
28AQI (US)
52AQI (US)
24AQI (US)
24AQI (US)
33AQI (US)
34AQI (US)
45AQI (US)
25AQI (US)
45AQI (US)
35AQI (US)
22AQI (US)
32AQI (US)
27AQI (US)
23AQI (US)
27AQI (US)
20AQI (US)
18AQI (US)
30AQI (US)
35AQI (US)
39AQI (US)
33AQI (US)
85AQI (US)
68AQI (US)
52AQI (US)
48AQI (US)
61AQI (US)
58AQI (US)
60AQI (US)
51AQI (US)
57AQI (US)
46AQI (US)
38AQI (US)
16AQI (US)
23AQI (US)
32AQI (US)
28AQI (US)
25AQI (US)
36AQI (US)
25AQI (US)
25AQI (US)
36AQI (US)
42AQI (US)
33AQI (US)
39AQI (US)
31AQI (US)
No. of days
202635AQI (US)
Highest AQI (US) recorded in
March42AQI (US)
Lowest AQI (US) recorded in
January25AQI (US)
202538AQI (US)
Highest AQI (US) recorded in
August43AQI (US)
Lowest AQI (US) recorded in
September31AQI (US)
202436AQI (US)
Highest AQI (US) recorded in
July46AQI (US)
Lowest AQI (US) recorded in
August24AQI (US)
202336AQI (US)
Highest AQI (US) recorded in
April44AQI (US)
Lowest AQI (US) recorded in
August26AQI (US)
202238AQI (US)
Highest AQI (US) recorded in
March45AQI (US)
Lowest AQI (US) recorded in
August23AQI (US)
202135AQI (US)
Highest AQI (US) recorded in
December43AQI (US)
Lowest AQI (US) recorded in
August29AQI (US)
202037AQI (US)
Highest AQI (US) recorded in
August43AQI (US)
Lowest AQI (US) recorded in
May28AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Sosa's annual 2026 AQI (US) (35) shows an average percentage change of -4.4% (improved AQI (US)) compared to previous years: 2020 (37), 2021 (35), 2022 (38), 2023 (36), 2024 (36), 2025 (38).