Iidacho, Fukayacho, 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
Iidacho, Fukayacho, Saitama, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (3rd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 41 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Aug - 4th Aug 2025
Iidacho, Fukayacho, Saitama, Japan
4 AM3rd Aug 2025
6 PM
3 AM4th Aug 2025
55AQI
39AQI
51AQI
37AQI
In the last 24 hours,
Iidacho's AQI reached its highest point of 55 at 12 PM during the Day, while the lowest point, 37, was recorded at 1 AM during the Night between 3rd Aug and 4th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Iidacho, Fukayacho, Saitama, Japan
29°C26/33°C
31°C26/36°C
31°C28/35°C
32°C28/36°C
31°C27/37°C
29°C23/35°C
23°C22/23°C
24°C21/28°C
27°C23/32°C
26°C24/28°C
27°C26/32°C
28°C24/33°C
28°C26/32°C
29°C24/34°C
30°C26/35°C
31°C26/37°C
32°C26/38°C
32°C27/37°C
32°C26/37°C
32°C26/38°C
31°C26/38°C
32°C26/38°C
32°C27/38°C
32°C27/38°C
32°C28/38°C
31°C27/37°C
29°C25/35°C
28°C25/32°C
31°C25/39°C
32°C27/38°C
--°C/°C
51AQI
46AQI
48AQI
45AQI
2025 Days Vs Air Quality
Iidacho, Fukayacho, Saitama, Japan
83%
179
17%
36
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Under WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2025, 83% of 216 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
Iidacho, Fukayacho, Saitama, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
29AQI
30AQI
27AQI
26AQI
37AQI
55AQI
33AQI
38AQI
27AQI
28AQI
25AQI
38AQI
28AQI
37AQI
34AQI
31AQI
30AQI
29AQI
45AQI
44AQI
45AQI
40AQI
50AQI
53AQI
39AQI
38AQI
39AQI
43AQI
33AQI
34AQI
31AQI
39AQI
47AQI
48AQI
38AQI
37AQI
30AQI
31AQI
30AQI
30AQI
30AQI
32AQI
39AQI
36AQI
33AQI
31AQI
40AQI
38AQI
32AQI
32AQI
32AQI
32AQI
33AQI
33AQI
34AQI
35AQI
39AQI
44AQI
54AQI
55AQI
56AQI
40AQI
41AQI
33AQI
35AQI
33AQI
42AQI
38AQI
39AQI
48AQI
53AQI
52AQI
41AQI
45AQI
26AQI
24AQI
29AQI
20AQI
30AQI
41AQI
51AQI
57AQI
60AQI
77AQI
71AQI
74AQI
60AQI
36AQI
42AQI
33AQI
34AQI
22AQI
22AQI
21AQI
32AQI
24AQI
32AQI
42AQI
29AQI
47AQI
42AQI
44AQI
27AQI
28AQI
24AQI
26AQI
45AQI
52AQI
66AQI
60AQI
46AQI
55AQI
36AQI
44AQI
39AQI
49AQI
47AQI
54AQI
37AQI
48AQI
43AQI
30AQI
32AQI
34AQI
34AQI
29AQI
25AQI
32AQI
31AQI
24AQI
22AQI
21AQI
34AQI
42AQI
41AQI
49AQI
31AQI
42AQI
45AQI
54AQI
64AQI
56AQI
52AQI
47AQI
34AQI
34AQI
31AQI
31AQI
38AQI
32AQI
25AQI
24AQI
35AQI
34AQI
28AQI
39AQI
46AQI
52AQI
63AQI
55AQI
43AQI
35AQI
45AQI
46AQI
40AQI
30AQI
41AQI
47AQI
41AQI
46AQI
47AQI
42AQI
34AQI
35AQI
34AQI
27AQI
29AQI
34AQI
36AQI
42AQI
47AQI
48AQI
48AQI
50AQI
50AQI
53AQI
58AQI
76AQI
77AQI
79AQI
61AQI
46AQI
51AQI
53AQI
39AQI
37AQI
40AQI
39AQI
39AQI
37AQI
38AQI
42AQI
44AQI
49AQI
49AQI
51AQI
52AQI
47AQI
49AQI
47AQI
38AQI
40AQI
35AQI
40AQI
41AQI
36AQI
36AQI
45AQI
39AQI
37AQI
40AQI
49AQI
39AQI
No. of days
202540AQI
Highest AQI recorded in
July49AQI
Lowest AQI recorded in
January36AQI
202438AQI
Highest AQI recorded in
April48AQI
Lowest AQI recorded in
August29AQI
202341AQI
Highest AQI recorded in
April51AQI
Lowest AQI recorded in
August28AQI
202240AQI
Highest AQI recorded in
August53AQI
Lowest AQI recorded in
September32AQI
202136AQI
Highest AQI recorded in
March46AQI
Lowest AQI recorded in
August28AQI
202037AQI
Highest AQI recorded in
November51AQI
Lowest AQI recorded in
September22AQI
Most & Least Polluted Years Over the Last 6 Years
Iidacho's annual 2025 AQI (40) shows an average percentage change of 5.1% (worsened AQI) compared to previous years: 2020 (37), 2021 (36), 2022 (40), 2023 (41), 2024 (38).