Honjo, Saitama, 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
Honjo, Saitama, 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 21 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
Honjo, Saitama, Japan
4 AM3rd Jun 2026
6 PM
3 AM4th Jun 2026
26AQI
5AQI
23AQI
8AQI
In the last 24 hours,
Honjo's AQI reached its highest point of 26 at 4 AM during the Day, while the lowest point, 5, was recorded at 2 PM during the Day between 3rd Jun and 4th Jun 2026.
Day & Night AQI Trend : May - Jun 2026
Honjo, Saitama, Japan
17°C12/21°C
21°C15/27°C
21°C17/26°C
17°C12/21°C
17°C10/23°C
19°C14/25°C
20°C17/24°C
19°C15/26°C
19°C13/26°C
20°C14/25°C
20°C14/27°C
23°C14/31°C
23°C16/31°C
25°C18/32°C
25°C19/30°C
19°C16/22°C
14°C12/15°C
15°C12/20°C
18°C15/22°C
22°C16/28°C
22°C18/27°C
24°C18/29°C
26°C21/31°C
24°C18/30°C
23°C14/31°C
25°C18/30°C
26°C19/32°C
23°C18/27°C
17°C16/19°C
18°C17/19°C
49AQI
37AQI
46AQI
36AQI
2026 Days Vs Air Quality
Honjo, Saitama, Japan
81%
126
19%
29
Total number of days with different AQI categories in last 155 days in 2026 (210 days remaining)
Under WHO’s Safe Air Quality Limits: 81%
Health Risk Level:
Low
In 2026, 81% 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
Honjo, Saitama, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
19AQI (US)
16AQI (US)
17AQI (US)
20AQI (US)
31AQI (US)
22AQI (US)
25AQI (US)
29AQI (US)
18AQI (US)
33AQI (US)
37AQI (US)
14AQI (US)
19AQI (US)
13AQI (US)
32AQI (US)
41AQI (US)
43AQI (US)
27AQI (US)
50AQI (US)
33AQI (US)
11AQI (US)
19AQI (US)
30AQI (US)
40AQI (US)
43AQI (US)
30AQI (US)
39AQI (US)
27AQI (US)
26AQI (US)
35AQI (US)
38AQI (US)
33AQI (US)
42AQI (US)
30AQI (US)
41AQI (US)
46AQI (US)
41AQI (US)
14AQI (US)
14AQI (US)
34AQI (US)
40AQI (US)
46AQI (US)
30AQI (US)
44AQI (US)
67AQI (US)
62AQI (US)
44AQI (US)
19AQI (US)
32AQI (US)
28AQI (US)
27AQI (US)
49AQI (US)
46AQI (US)
43AQI (US)
39AQI (US)
48AQI (US)
13AQI (US)
28AQI (US)
47AQI (US)
46AQI (US)
87AQI (US)
48AQI (US)
63AQI (US)
63AQI (US)
54AQI (US)
48AQI (US)
48AQI (US)
51AQI (US)
57AQI (US)
60AQI (US)
71AQI (US)
43AQI (US)
49AQI (US)
52AQI (US)
60AQI (US)
58AQI (US)
60AQI (US)
37AQI (US)
35AQI (US)
50AQI (US)
62AQI (US)
64AQI (US)
50AQI (US)
61AQI (US)
28AQI (US)
18AQI (US)
44AQI (US)
58AQI (US)
61AQI (US)
36AQI (US)
14AQI (US)
23AQI (US)
47AQI (US)
57AQI (US)
28AQI (US)
26AQI (US)
40AQI (US)
25AQI (US)
34AQI (US)
48AQI (US)
37AQI (US)
34AQI (US)
35AQI (US)
44AQI (US)
44AQI (US)
31AQI (US)
34AQI (US)
36AQI (US)
41AQI (US)
37AQI (US)
41AQI (US)
46AQI (US)
35AQI (US)
31AQI (US)
46AQI (US)
50AQI (US)
49AQI (US)
42AQI (US)
40AQI (US)
40AQI (US)
47AQI (US)
52AQI (US)
49AQI (US)
29AQI (US)
20AQI (US)
34AQI (US)
35AQI (US)
27AQI (US)
27AQI (US)
33AQI (US)
33AQI (US)
41AQI (US)
45AQI (US)
39AQI (US)
49AQI (US)
85AQI (US)
68AQI (US)
53AQI (US)
49AQI (US)
61AQI (US)
59AQI (US)
61AQI (US)
54AQI (US)
59AQI (US)
48AQI (US)
40AQI (US)
25AQI (US)
26AQI (US)
25AQI (US)
24AQI (US)
29AQI (US)
33AQI (US)
36AQI (US)
17AQI (US)
21AQI (US)
28AQI (US)
37AQI (US)
52AQI (US)
38AQI (US)
43AQI (US)
27AQI (US)
No. of days
202639AQI (US)
Highest AQI (US) recorded in
March52AQI (US)
Lowest AQI (US) recorded in
June27AQI (US)
202541AQI (US)
Highest AQI (US) recorded in
July50AQI (US)
Lowest AQI (US) recorded in
January33AQI (US)
202438AQI (US)
Highest AQI (US) recorded in
April50AQI (US)
Lowest AQI (US) recorded in
December29AQI (US)
202344AQI (US)
Highest AQI (US) recorded in
April54AQI (US)
Lowest AQI (US) recorded in
January36AQI (US)
202240AQI (US)
Highest AQI (US) recorded in
April50AQI (US)
Lowest AQI (US) recorded in
December29AQI (US)
202139AQI (US)
Highest AQI (US) recorded in
March47AQI (US)
Lowest AQI (US) recorded in
December33AQI (US)
202038AQI (US)
Highest AQI (US) recorded in
August55AQI (US)
Lowest AQI (US) recorded in
September28AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Honjo's annual 2026 AQI (US) (39) shows an average percentage change of -2.2% (improved AQI (US)) compared to previous years: 2020 (38), 2021 (39), 2022 (40), 2023 (44), 2024 (38), 2025 (41).