Honjo, Saitama, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Honjo, Saitama, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (30th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 27 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Day & Night AQI Trend: 29th Jul - 30th Jul 2026
Honjo, Saitama, Japan
4 AM29th Jul 2026
7 PM
3 AM30th Jul 2026
41AQI
24AQI
30AQI
21AQI
In the last 24 hours,
Honjo's AQI reached its highest point of 41 at 4 AM during the Day, while the lowest point, 21, was recorded at 3 AM during the Night between 29th Jul and 30th Jul 2026.
Day & Night AQI Trend : Jul 2026
Honjo, Saitama, Japan
24°C20/28°C
21°C20/23°C
22°C20/25°C
22°C21/24°C
23°C21/26°C
21°C20/21°C
23°C19/28°C
25°C21/30°C
27°C22/33°C
28°C23/34°C
29°C24/33°C
26°C24/29°C
26°C24/29°C
30°C23/37°C
31°C26/37°C
30°C25/36°C
27°C25/30°C
25°C24/27°C
29°C24/34°C
31°C26/36°C
32°C27/38°C
32°C25/39°C
31°C26/38°C
29°C26/33°C
29°C24/36°C
27°C24/31°C
26°C23/31°C
24°C23/27°C
27°C21/35°C
29°C23/35°C
35AQI
31AQI
35AQI
32AQI
2026 Days Vs Air Quality
Honjo, Saitama, Japan
85%
180
15%
31
Total number of days with different AQI categories in last 211 days in 2026 (154 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2026, 85% of 211 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)
22AQI (US)
23AQI (US)
22AQI (US)
21AQI (US)
23AQI (US)
22AQI (US)
25AQI (US)
25AQI (US)
26AQI (US)
29AQI (US)
20AQI (US)
20AQI (US)
25AQI (US)
26AQI (US)
30AQI (US)
22AQI (US)
19AQI (US)
19AQI (US)
22AQI (US)
22AQI (US)
23AQI (US)
27AQI (US)
27AQI (US)
29AQI (US)
28AQI (US)
25AQI (US)
26AQI (US)
23AQI (US)
15AQI (US)
45AQI (US)
28AQI (US)
29AQI (US)
26AQI (US)
25AQI (US)
25AQI (US)
27AQI (US)
29AQI (US)
30AQI (US)
37AQI (US)
43AQI (US)
43AQI (US)
45AQI (US)
37AQI (US)
27AQI (US)
30AQI (US)
28AQI (US)
49AQI (US)
61AQI (US)
54AQI (US)
38AQI (US)
35AQI (US)
25AQI (US)
29AQI (US)
30AQI (US)
31AQI (US)
27AQI (US)
28AQI (US)
37AQI (US)
52AQI (US)
38AQI (US)
43AQI (US)
24AQI (US)
33AQI (US)
No. of days
202637AQI (US)
Highest AQI (US) recorded in
March52AQI (US)
Lowest AQI (US) recorded in
June24AQI (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) (37) shows an average percentage change of -7.2% (improved AQI (US)) compared to previous years: 2020 (38), 2021 (39), 2022 (40), 2023 (44), 2024 (38), 2025 (41).