Hasuda, 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
Hasuda, Saitama, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (2nd 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: 3rd Aug - 4th Aug 2025
Hasuda, Saitama, Japan
4 AM3rd Aug 2025
6 PM
3 AM4th Aug 2025
63AQI
38AQI
50AQI
37AQI
In the last 24 hours,
Hasuda's AQI reached its highest point of 63 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
Hasuda, Saitama, Japan
30°C28/34°C
32°C28/37°C
32°C29/36°C
32°C29/37°C
32°C28/37°C
30°C24/37°C
24°C23/25°C
25°C22/29°C
27°C24/32°C
26°C25/29°C
28°C27/32°C
29°C26/32°C
30°C27/33°C
29°C26/34°C
30°C26/34°C
31°C27/36°C
32°C28/38°C
32°C29/38°C
32°C28/38°C
33°C28/38°C
33°C29/38°C
33°C29/38°C
33°C29/38°C
33°C29/38°C
33°C28/39°C
31°C27/37°C
30°C26/35°C
28°C26/32°C
32°C27/38°C
32°C28/38°C
--°C/°C
48AQI
48AQI
47AQI
44AQI
2025 Days Vs Air Quality
Hasuda, Saitama, Japan
84%
180
16%
34
Total number of days with different AQI categories in last 216 days in 2025 (149 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2025, 84% 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
Hasuda, Saitama, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
34AQI
37AQI
27AQI
30AQI
43AQI
58AQI
35AQI
39AQI
36AQI
30AQI
32AQI
50AQI
32AQI
44AQI
37AQI
38AQI
32AQI
38AQI
53AQI
42AQI
48AQI
43AQI
52AQI
50AQI
41AQI
36AQI
41AQI
45AQI
33AQI
36AQI
30AQI
48AQI
38AQI
45AQI
34AQI
34AQI
28AQI
33AQI
29AQI
30AQI
29AQI
32AQI
45AQI
38AQI
37AQI
33AQI
43AQI
39AQI
34AQI
31AQI
30AQI
30AQI
31AQI
31AQI
32AQI
32AQI
40AQI
44AQI
55AQI
53AQI
63AQI
40AQI
41AQI
28AQI
36AQI
31AQI
42AQI
35AQI
40AQI
42AQI
49AQI
47AQI
40AQI
43AQI
27AQI
23AQI
27AQI
19AQI
27AQI
43AQI
53AQI
59AQI
57AQI
75AQI
76AQI
75AQI
60AQI
38AQI
40AQI
33AQI
31AQI
22AQI
25AQI
23AQI
31AQI
27AQI
32AQI
43AQI
30AQI
50AQI
43AQI
45AQI
34AQI
40AQI
33AQI
31AQI
49AQI
55AQI
68AQI
59AQI
50AQI
52AQI
34AQI
46AQI
50AQI
52AQI
56AQI
52AQI
39AQI
51AQI
45AQI
35AQI
35AQI
41AQI
38AQI
36AQI
29AQI
36AQI
36AQI
26AQI
24AQI
27AQI
37AQI
41AQI
42AQI
49AQI
31AQI
48AQI
46AQI
64AQI
61AQI
50AQI
49AQI
47AQI
35AQI
33AQI
28AQI
28AQI
32AQI
30AQI
18AQI
26AQI
34AQI
38AQI
29AQI
42AQI
46AQI
52AQI
61AQI
53AQI
40AQI
35AQI
45AQI
47AQI
40AQI
32AQI
41AQI
49AQI
43AQI
43AQI
44AQI
36AQI
28AQI
26AQI
28AQI
22AQI
24AQI
33AQI
35AQI
40AQI
44AQI
45AQI
49AQI
49AQI
50AQI
52AQI
61AQI
77AQI
78AQI
82AQI
65AQI
48AQI
52AQI
52AQI
40AQI
39AQI
39AQI
41AQI
37AQI
34AQI
35AQI
38AQI
39AQI
44AQI
45AQI
41AQI
42AQI
40AQI
43AQI
38AQI
33AQI
33AQI
33AQI
42AQI
39AQI
36AQI
44AQI
42AQI
38AQI
39AQI
47AQI
38AQI
No. of days
202541AQI
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
February36AQI
202443AQI
Highest AQI recorded in
July52AQI
Lowest AQI recorded in
August37AQI
202347AQI
Highest AQI recorded in
March53AQI
Lowest AQI recorded in
August34AQI
202244AQI
Highest AQI recorded in
November50AQI
Lowest AQI recorded in
August27AQI
202142AQI
Highest AQI recorded in
March46AQI
Lowest AQI recorded in
August36AQI
202040AQI
Highest AQI recorded in
November51AQI
Lowest AQI recorded in
September30AQI
Most & Least Polluted Years Over the Last 6 Years
Hasuda's annual 2025 AQI (41) shows an average percentage change of -5.6% (improved AQI) compared to previous years: 2020 (40), 2021 (42), 2022 (44), 2023 (47), 2024 (43).