Honda, Niiza, Saitama, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Honda, Niiza, Saitama, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (10th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 42 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 11th Aug - 12th Aug 2025
Honda, Niiza, Saitama, Japan
4 AM11th Aug 2025
6 PM
3 AM12th Aug 2025
AQI
AQI
48AQI
26AQI
In the last 24 hours,
Honda's AQI reached its highest point of 48 at 4 AM during the Night, while the lowest point, undefined, was recorded at 3 AM during the Night between 11th Aug and 12th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Honda, Niiza, Saitama, Japan
27°C24/32°C
27°C25/30°C
28°C27/31°C
29°C26/31°C
29°C27/33°C
29°C26/33°C
29°C26/33°C
30°C27/35°C
31°C28/36°C
32°C29/36°C
32°C29/36°C
32°C29/37°C
32°C29/37°C
32°C29/37°C
32°C29/36°C
32°C29/37°C
32°C28/38°C
31°C28/36°C
29°C26/35°C
29°C27/32°C
31°C27/37°C
32°C28/37°C
33°C30/38°C
35°C30/39°C
33°C30/38°C
32°C29/34°C
30°C25/36°C
29°C25/34°C
27°C26/27°C
--°C/°C
--°C/°C
45AQI
42AQI
43AQI
39AQI
2025 Days Vs Air Quality
Honda, Niiza, Saitama, Japan
89%
197
11%
25
Total number of days with different AQI categories in last 223 days in 2025 (142 days remaining)
Under WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2025, 89% of 223 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
Honda, Niiza, Saitama, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
31AQI
32AQI
24AQI
27AQI
34AQI
48AQI
30AQI
34AQI
28AQI
27AQI
32AQI
37AQI
32AQI
36AQI
34AQI
31AQI
30AQI
34AQI
43AQI
40AQI
40AQI
38AQI
46AQI
43AQI
37AQI
36AQI
33AQI
40AQI
29AQI
34AQI
29AQI
43AQI
35AQI
41AQI
33AQI
33AQI
29AQI
30AQI
29AQI
28AQI
28AQI
35AQI
39AQI
68AQI
33AQI
62AQI
42AQI
50AQI
34AQI
36AQI
30AQI
30AQI
30AQI
31AQI
32AQI
35AQI
37AQI
39AQI
52AQI
53AQI
58AQI
39AQI
38AQI
29AQI
34AQI
32AQI
37AQI
36AQI
35AQI
39AQI
44AQI
44AQI
38AQI
36AQI
23AQI
19AQI
22AQI
16AQI
23AQI
36AQI
45AQI
53AQI
54AQI
73AQI
80AQI
73AQI
51AQI
37AQI
40AQI
33AQI
28AQI
21AQI
22AQI
20AQI
25AQI
22AQI
27AQI
34AQI
27AQI
44AQI
39AQI
39AQI
31AQI
38AQI
28AQI
28AQI
43AQI
50AQI
59AQI
50AQI
45AQI
44AQI
29AQI
37AQI
42AQI
46AQI
48AQI
43AQI
33AQI
42AQI
36AQI
29AQI
26AQI
37AQI
29AQI
29AQI
21AQI
28AQI
28AQI
22AQI
22AQI
24AQI
30AQI
33AQI
33AQI
38AQI
23AQI
41AQI
42AQI
60AQI
54AQI
42AQI
42AQI
41AQI
29AQI
29AQI
26AQI
25AQI
30AQI
25AQI
17AQI
23AQI
28AQI
31AQI
24AQI
37AQI
39AQI
46AQI
54AQI
43AQI
33AQI
27AQI
35AQI
38AQI
30AQI
26AQI
31AQI
42AQI
34AQI
36AQI
37AQI
31AQI
24AQI
20AQI
15AQI
16AQI
16AQI
19AQI
21AQI
24AQI
32AQI
35AQI
41AQI
45AQI
46AQI
48AQI
54AQI
70AQI
74AQI
78AQI
64AQI
56AQI
56AQI
56AQI
47AQI
47AQI
46AQI
46AQI
42AQI
39AQI
37AQI
37AQI
37AQI
40AQI
41AQI
39AQI
38AQI
36AQI
39AQI
38AQI
33AQI
33AQI
33AQI
40AQI
44AQI
58AQI
51AQI
50AQI
47AQI
45AQI
48AQI
42AQI
34AQI
37AQI
41AQI
36AQI
32AQI
30AQI
46AQI
46AQI
No. of days
202537AQI
Highest AQI recorded in
July46AQI
Lowest AQI recorded in
June30AQI
202441AQI
Highest AQI recorded in
April53AQI
Lowest AQI recorded in
December32AQI
202344AQI
Highest AQI recorded in
April52AQI
Lowest AQI recorded in
August30AQI
202240AQI
Highest AQI recorded in
June49AQI
Lowest AQI recorded in
January29AQI
202140AQI
Highest AQI recorded in
March48AQI
Lowest AQI recorded in
July34AQI
202038AQI
Highest AQI recorded in
June46AQI
Lowest AQI recorded in
July23AQI
Most & Least Polluted Years Over the Last 6 Years
Honda's annual 2025 AQI (37) shows an average percentage change of -7.7% (improved AQI) compared to previous years: 2020 (38), 2021 (40), 2022 (40), 2023 (44), 2024 (41).