Ageoshimo, Saitama, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Ageoshimo, Saitama, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (8th October ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 54 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 8th Oct - 9th Oct 2025
Ageoshimo, Saitama, Japan
5 AM8th Oct 2025
5 PM
4 AM9th Oct 2025
63AQI
49AQI
74AQI
61AQI
In the last 24 hours,
Ageoshimo's AQI reached its highest point of 74 at 9 PM during the Night, while the lowest point, 49, was recorded at 3 PM during the Day between 8th Oct and 9th Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Ageoshimo, Saitama, Japan
31°C28/34°C
28°C27/31°C
27°C24/29°C
25°C23/28°C
27°C24/30°C
29°C26/33°C
29°C27/33°C
30°C27/34°C
31°C28/36°C
30°C24/37°C
23°C21/23°C
24°C23/26°C
26°C22/32°C
24°C22/27°C
23°C21/27°C
24°C20/28°C
26°C22/30°C
28°C25/33°C
26°C24/29°C
26°C24/28°C
28°C24/33°C
25°C22/28°C
21°C20/21°C
23°C20/28°C
24°C21/27°C
24°C22/25°C
25°C21/29°C
25°C21/30°C
21°C21/22°C
25°C21/29°C
--°C/°C
40AQI
40AQI
42AQI
38AQI
2025 Days Vs Air Quality
Ageoshimo, Saitama, Japan
85%
240
15%
41
Total number of days with different AQI categories in last 282 days in 2025 (83 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2025, 85% of 282 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
Ageoshimo, Saitama, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
31AQI
32AQI
24AQI
28AQI
37AQI
54AQI
32AQI
35AQI
33AQI
28AQI
28AQI
42AQI
30AQI
40AQI
35AQI
33AQI
30AQI
34AQI
49AQI
40AQI
45AQI
40AQI
49AQI
47AQI
36AQI
34AQI
35AQI
37AQI
30AQI
31AQI
27AQI
44AQI
38AQI
42AQI
31AQI
31AQI
26AQI
30AQI
28AQI
27AQI
26AQI
33AQI
43AQI
42AQI
34AQI
42AQI
41AQI
41AQI
31AQI
33AQI
28AQI
28AQI
28AQI
28AQI
29AQI
29AQI
35AQI
41AQI
52AQI
54AQI
62AQI
38AQI
40AQI
27AQI
33AQI
29AQI
38AQI
34AQI
37AQI
39AQI
47AQI
46AQI
39AQI
39AQI
25AQI
22AQI
25AQI
17AQI
24AQI
40AQI
51AQI
56AQI
57AQI
73AQI
73AQI
73AQI
57AQI
35AQI
38AQI
30AQI
30AQI
21AQI
22AQI
21AQI
29AQI
24AQI
30AQI
40AQI
30AQI
48AQI
41AQI
42AQI
32AQI
38AQI
30AQI
30AQI
46AQI
53AQI
65AQI
57AQI
46AQI
46AQI
31AQI
43AQI
46AQI
49AQI
53AQI
47AQI
34AQI
49AQI
41AQI
33AQI
32AQI
40AQI
34AQI
33AQI
26AQI
32AQI
33AQI
23AQI
22AQI
26AQI
34AQI
39AQI
39AQI
46AQI
29AQI
46AQI
44AQI
63AQI
60AQI
50AQI
47AQI
46AQI
34AQI
32AQI
27AQI
27AQI
31AQI
29AQI
19AQI
24AQI
32AQI
37AQI
29AQI
41AQI
45AQI
50AQI
59AQI
51AQI
37AQI
33AQI
40AQI
46AQI
37AQI
32AQI
40AQI
49AQI
41AQI
41AQI
43AQI
35AQI
22AQI
24AQI
23AQI
20AQI
22AQI
30AQI
31AQI
38AQI
42AQI
43AQI
47AQI
47AQI
48AQI
51AQI
58AQI
75AQI
76AQI
80AQI
65AQI
50AQI
53AQI
54AQI
42AQI
40AQI
39AQI
39AQI
36AQI
33AQI
34AQI
37AQI
40AQI
44AQI
46AQI
42AQI
43AQI
40AQI
44AQI
39AQI
33AQI
34AQI
32AQI
41AQI
45AQI
59AQI
51AQI
50AQI
44AQI
42AQI
44AQI
35AQI
37AQI
35AQI
32AQI
36AQI
34AQI
36AQI
39AQI
44AQI
45AQI
48AQI
50AQI
50AQI
49AQI
56AQI
56AQI
54AQI
50AQI
45AQI
51AQI
54AQI
52AQI
45AQI
38AQI
38AQI
38AQI
32AQI
30AQI
30AQI
39AQI
43AQI
38AQI
32AQI
32AQI
29AQI
36AQI
36AQI
40AQI
48AQI
42AQI
34AQI
34AQI
26AQI
28AQI
28AQI
29AQI
34AQI
53AQI
35AQI
35AQI
32AQI
25AQI
35AQI
44AQI
50AQI
63AQI
57AQI
57AQI
54AQI
54AQI
36AQI
34AQI
42AQI
39AQI
36AQI
36AQI
47AQI
45AQI
35AQI
52AQI
No. of days
202539AQI
Highest AQI recorded in
October52AQI
Lowest AQI recorded in
February34AQI
202439AQI
Highest AQI recorded in
April50AQI
Lowest AQI recorded in
August32AQI
202342AQI
Highest AQI recorded in
April48AQI
Lowest AQI recorded in
August30AQI
202242AQI
Highest AQI recorded in
June48AQI
Lowest AQI recorded in
September37AQI
202140AQI
Highest AQI recorded in
March45AQI
Lowest AQI recorded in
September36AQI
202040AQI
Highest AQI recorded in
August50AQI
Lowest AQI recorded in
September31AQI
Most & Least Polluted Years Over the Last 6 Years
Ageoshimo's annual 2025 AQI (39) shows an average percentage change of -2.5% (improved AQI) compared to previous years: 2020 (40), 2021 (40), 2022 (42), 2023 (42), 2024 (39).