Gyoda, 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
Gyoda, Saitama, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (4th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 51 of Moderate air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Aug - 5th Aug 2025
Gyoda, Saitama, Japan
4 AM4th Aug 2025
6 PM
3 AM5th Aug 2025
91AQI
41AQI
74AQI
40AQI
In the last 24 hours,
Gyoda's AQI reached its highest point of 91 at 5 PM during the Day, while the lowest point, 40, was recorded at 3 AM during the Night between 4th Aug and 5th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Gyoda, Saitama, Japan
32°C27/37°C
32°C29/36°C
32°C29/37°C
32°C28/38°C
30°C23/37°C
23°C23/24°C
25°C22/29°C
28°C24/33°C
26°C24/29°C
28°C26/33°C
29°C25/33°C
30°C27/33°C
29°C26/34°C
30°C26/35°C
31°C27/37°C
32°C27/38°C
33°C28/38°C
33°C28/39°C
33°C28/39°C
33°C29/39°C
33°C28/39°C
33°C28/38°C
33°C29/38°C
33°C28/39°C
31°C27/37°C
30°C26/36°C
28°C26/32°C
32°C27/39°C
33°C28/38°C
34°C28/40°C
--°C/°C
51AQI
51AQI
48AQI
48AQI
2025 Days Vs Air Quality
Gyoda, Saitama, Japan
80%
172
20%
44
Total number of days with different AQI categories in last 217 days in 2025 (148 days remaining)
Under WHO’s Safe Air Quality Limits: 80%
Health Risk Level:
Low
In 2025, 80% of 217 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
Gyoda, Saitama, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
32AQI
32AQI
28AQI
28AQI
43AQI
54AQI
35AQI
36AQI
32AQI
28AQI
27AQI
43AQI
30AQI
39AQI
36AQI
34AQI
30AQI
36AQI
49AQI
45AQI
47AQI
42AQI
49AQI
52AQI
39AQI
38AQI
44AQI
44AQI
36AQI
35AQI
31AQI
45AQI
39AQI
45AQI
35AQI
35AQI
29AQI
33AQI
31AQI
30AQI
29AQI
31AQI
42AQI
34AQI
34AQI
30AQI
42AQI
37AQI
33AQI
30AQI
31AQI
33AQI
33AQI
32AQI
34AQI
35AQI
41AQI
45AQI
55AQI
56AQI
61AQI
41AQI
40AQI
29AQI
35AQI
33AQI
44AQI
39AQI
42AQI
45AQI
52AQI
51AQI
44AQI
46AQI
28AQI
25AQI
28AQI
20AQI
30AQI
42AQI
49AQI
57AQI
62AQI
75AQI
75AQI
77AQI
61AQI
37AQI
43AQI
34AQI
34AQI
23AQI
25AQI
24AQI
34AQI
28AQI
35AQI
44AQI
33AQI
51AQI
43AQI
47AQI
33AQI
34AQI
28AQI
31AQI
47AQI
56AQI
69AQI
64AQI
49AQI
57AQI
37AQI
49AQI
45AQI
53AQI
53AQI
56AQI
41AQI
52AQI
46AQI
35AQI
35AQI
41AQI
39AQI
35AQI
29AQI
37AQI
37AQI
26AQI
24AQI
26AQI
39AQI
43AQI
45AQI
50AQI
33AQI
47AQI
46AQI
61AQI
66AQI
57AQI
54AQI
50AQI
36AQI
35AQI
32AQI
32AQI
37AQI
32AQI
23AQI
26AQI
36AQI
38AQI
31AQI
44AQI
48AQI
54AQI
62AQI
56AQI
41AQI
35AQI
46AQI
47AQI
41AQI
34AQI
43AQI
49AQI
44AQI
47AQI
48AQI
41AQI
29AQI
32AQI
34AQI
28AQI
30AQI
39AQI
37AQI
43AQI
48AQI
49AQI
51AQI
51AQI
51AQI
54AQI
60AQI
77AQI
79AQI
81AQI
70AQI
54AQI
54AQI
56AQI
58AQI
45AQI
51AQI
41AQI
39AQI
36AQI
36AQI
39AQI
40AQI
47AQI
47AQI
47AQI
46AQI
44AQI
48AQI
45AQI
38AQI
38AQI
34AQI
41AQI
44AQI
51AQI
38AQI
36AQI
45AQI
43AQI
40AQI
41AQI
51AQI
43AQI
No. of days
202542AQI
Highest AQI recorded in
July51AQI
Lowest AQI recorded in
February36AQI
202444AQI
Highest AQI recorded in
April56AQI
Lowest AQI recorded in
December36AQI
202346AQI
Highest AQI recorded in
April54AQI
Lowest AQI recorded in
August36AQI
202245AQI
Highest AQI recorded in
August54AQI
Lowest AQI recorded in
December37AQI
202144AQI
Highest AQI recorded in
March50AQI
Lowest AQI recorded in
August36AQI
202041AQI
Highest AQI recorded in
November51AQI
Lowest AQI recorded in
September33AQI
Most & Least Polluted Years Over the Last 6 Years
Gyoda's annual 2025 AQI (42) shows an average percentage change of -4.2% (improved AQI) compared to previous years: 2020 (41), 2021 (44), 2022 (45), 2023 (46), 2024 (44).