Honcho, 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
Honcho, Chiba, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (4th June):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 22 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: 3rd Jun - 4th Jun 2026
Honcho, Chiba, Japan
4 AM3rd Jun 2026
6 PM
3 AM4th Jun 2026
26AQI
7AQI
26AQI
16AQI
In the last 24 hours,
Honcho's AQI reached its highest point of 26 at 2 PM during the Day, while the lowest point, 7, was recorded at 7 AM during the Day between 3rd Jun and 4th Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Honcho, Chiba, Japan
18°C15/20°C
20°C17/23°C
20°C18/23°C
20°C17/23°C
18°C16/20°C
19°C17/21°C
19°C16/23°C
21°C17/26°C
20°C16/24°C
19°C14/24°C
20°C16/25°C
23°C18/29°C
22°C19/26°C
22°C19/25°C
22°C19/26°C
19°C17/21°C
14°C13/15°C
16°C13/19°C
19°C16/22°C
22°C18/27°C
23°C19/27°C
23°C20/27°C
23°C20/25°C
22°C20/25°C
23°C20/27°C
24°C21/29°C
23°C21/27°C
21°C19/24°C
19°C18/22°C
19°C18/19°C
45AQI
34AQI
42AQI
33AQI
2026 Days Vs Air Quality
Honcho, Chiba, Japan
86%
133
14%
22
Total number of days with different AQI categories in last 155 days in 2026 (210 days remaining)
Under WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2026, 86% of 155 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
Honcho, Chiba, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
14AQI (US)
23AQI (US)
15AQI (US)
28AQI (US)
44AQI (US)
20AQI (US)
32AQI (US)
39AQI (US)
16AQI (US)
30AQI (US)
32AQI (US)
21AQI (US)
36AQI (US)
15AQI (US)
30AQI (US)
48AQI (US)
56AQI (US)
30AQI (US)
44AQI (US)
38AQI (US)
14AQI (US)
23AQI (US)
40AQI (US)
40AQI (US)
38AQI (US)
17AQI (US)
38AQI (US)
39AQI (US)
18AQI (US)
22AQI (US)
38AQI (US)
36AQI (US)
47AQI (US)
28AQI (US)
40AQI (US)
66AQI (US)
74AQI (US)
13AQI (US)
10AQI (US)
34AQI (US)
42AQI (US)
44AQI (US)
29AQI (US)
46AQI (US)
57AQI (US)
59AQI (US)
48AQI (US)
17AQI (US)
32AQI (US)
16AQI (US)
24AQI (US)
46AQI (US)
46AQI (US)
32AQI (US)
44AQI (US)
32AQI (US)
25AQI (US)
42AQI (US)
39AQI (US)
32AQI (US)
59AQI (US)
40AQI (US)
48AQI (US)
50AQI (US)
49AQI (US)
42AQI (US)
32AQI (US)
42AQI (US)
56AQI (US)
54AQI (US)
63AQI (US)
36AQI (US)
45AQI (US)
56AQI (US)
47AQI (US)
46AQI (US)
50AQI (US)
36AQI (US)
28AQI (US)
41AQI (US)
48AQI (US)
46AQI (US)
42AQI (US)
60AQI (US)
29AQI (US)
28AQI (US)
50AQI (US)
52AQI (US)
53AQI (US)
30AQI (US)
23AQI (US)
30AQI (US)
44AQI (US)
46AQI (US)
37AQI (US)
30AQI (US)
28AQI (US)
21AQI (US)
30AQI (US)
48AQI (US)
39AQI (US)
25AQI (US)
36AQI (US)
32AQI (US)
34AQI (US)
34AQI (US)
34AQI (US)
30AQI (US)
32AQI (US)
31AQI (US)
35AQI (US)
46AQI (US)
37AQI (US)
31AQI (US)
44AQI (US)
51AQI (US)
48AQI (US)
42AQI (US)
38AQI (US)
35AQI (US)
46AQI (US)
48AQI (US)
44AQI (US)
30AQI (US)
22AQI (US)
29AQI (US)
30AQI (US)
26AQI (US)
26AQI (US)
29AQI (US)
29AQI (US)
34AQI (US)
39AQI (US)
33AQI (US)
33AQI (US)
86AQI (US)
68AQI (US)
54AQI (US)
49AQI (US)
60AQI (US)
58AQI (US)
60AQI (US)
54AQI (US)
58AQI (US)
46AQI (US)
39AQI (US)
24AQI (US)
26AQI (US)
25AQI (US)
23AQI (US)
27AQI (US)
30AQI (US)
29AQI (US)
16AQI (US)
22AQI (US)
30AQI (US)
38AQI (US)
45AQI (US)
36AQI (US)
40AQI (US)
24AQI (US)
No. of days
202638AQI (US)
Highest AQI (US) recorded in
March45AQI (US)
Lowest AQI (US) recorded in
June24AQI (US)
202541AQI (US)
Highest AQI (US) recorded in
November49AQI (US)
Lowest AQI (US) recorded in
May33AQI (US)
202439AQI (US)
Highest AQI (US) recorded in
July54AQI (US)
Lowest AQI (US) recorded in
October33AQI (US)
202340AQI (US)
Highest AQI (US) recorded in
April46AQI (US)
Lowest AQI (US) recorded in
August31AQI (US)
202240AQI (US)
Highest AQI (US) recorded in
March44AQI (US)
Lowest AQI (US) recorded in
September33AQI (US)
202135AQI (US)
Highest AQI (US) recorded in
December43AQI (US)
Lowest AQI (US) recorded in
February29AQI (US)
202035AQI (US)
Highest AQI (US) recorded in
August47AQI (US)
Lowest AQI (US) recorded in
October27AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Honcho's annual 2026 AQI (US) (38) shows an average percentage change of -0.4% (improved AQI (US)) compared to previous years: 2020 (35), 2021 (35), 2022 (40), 2023 (40), 2024 (39), 2025 (41).