Ageoshimo, Saitama, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Ageoshimo, Saitama, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (28th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 24 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.
Day & Night AQI Trend: 27th Sep - 28th Sep 2026
Ageoshimo, Saitama, Japan
5 AM27th Sep 2026
5 PM
4 AM28th Sep 2026
28AQI
21AQI
25AQI
21AQI
In the last 24 hours,
Ageoshimo's AQI reached its highest point of 28 at 2 PM during the Day, while the lowest point, 21, was recorded at 2 AM during the Night between 27th Sep and 28th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Ageoshimo, Saitama, Japan
22°C21/25°C
27°C24/30°C
26°C24/29°C
29°C25/34°C
28°C24/32°C
25°C22/28°C
23°C21/26°C
23°C21/25°C
22°C21/24°C
25°C23/28°C
26°C21/33°C
20°C19/21°C
20°C19/21°C
23°C20/25°C
25°C22/28°C
28°C23/34°C
24°C22/26°C
21°C20/22°C
21°C20/24°C
22°C19/25°C
24°C21/27°C
22°C21/24°C
22°C21/25°C
27°C25/29°C
22°C20/24°C
25°C20/30°C
24°C22/27°C
19°C17/22°C
21°C18/24°C
22°C21/24°C
24AQI
21AQI
25AQI
22AQI
2026 Days Vs Air Quality
Ageoshimo, Saitama, Japan
89%
242
11%
29
Total number of days with different AQI categories in last 271 days in 2026 (94 days remaining)
Under WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2026, 89% of 271 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 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
20AQI (US)
18AQI (US)
20AQI (US)
24AQI (US)
44AQI (US)
25AQI (US)
34AQI (US)
36AQI (US)
19AQI (US)
39AQI (US)
29AQI (US)
14AQI (US)
30AQI (US)
16AQI (US)
30AQI (US)
47AQI (US)
47AQI (US)
29AQI (US)
46AQI (US)
48AQI (US)
14AQI (US)
22AQI (US)
22AQI (US)
32AQI (US)
47AQI (US)
17AQI (US)
18AQI (US)
15AQI (US)
23AQI (US)
40AQI (US)
20AQI (US)
22AQI (US)
23AQI (US)
27AQI (US)
40AQI (US)
60AQI (US)
50AQI (US)
18AQI (US)
13AQI (US)
34AQI (US)
39AQI (US)
44AQI (US)
23AQI (US)
46AQI (US)
56AQI (US)
68AQI (US)
48AQI (US)
21AQI (US)
37AQI (US)
34AQI (US)
26AQI (US)
37AQI (US)
43AQI (US)
44AQI (US)
45AQI (US)
27AQI (US)
11AQI (US)
32AQI (US)
41AQI (US)
35AQI (US)
64AQI (US)
43AQI (US)
51AQI (US)
56AQI (US)
51AQI (US)
46AQI (US)
36AQI (US)
49AQI (US)
58AQI (US)
59AQI (US)
65AQI (US)
37AQI (US)
31AQI (US)
11AQI (US)
29AQI (US)
51AQI (US)
56AQI (US)
40AQI (US)
30AQI (US)
52AQI (US)
53AQI (US)
51AQI (US)
48AQI (US)
59AQI (US)
29AQI (US)
24AQI (US)
38AQI (US)
56AQI (US)
56AQI (US)
25AQI (US)
17AQI (US)
23AQI (US)
46AQI (US)
45AQI (US)
35AQI (US)
26AQI (US)
36AQI (US)
24AQI (US)
32AQI (US)
48AQI (US)
41AQI (US)
30AQI (US)
34AQI (US)
40AQI (US)
39AQI (US)
35AQI (US)
35AQI (US)
32AQI (US)
33AQI (US)
35AQI (US)
41AQI (US)
32AQI (US)
12AQI (US)
32AQI (US)
45AQI (US)
51AQI (US)
49AQI (US)
41AQI (US)
40AQI (US)
38AQI (US)
49AQI (US)
50AQI (US)
49AQI (US)
29AQI (US)
22AQI (US)
30AQI (US)
30AQI (US)
26AQI (US)
30AQI (US)
24AQI (US)
24AQI (US)
36AQI (US)
38AQI (US)
34AQI (US)
35AQI (US)
86AQI (US)
68AQI (US)
53AQI (US)
48AQI (US)
60AQI (US)
59AQI (US)
61AQI (US)
53AQI (US)
58AQI (US)
47AQI (US)
39AQI (US)
25AQI (US)
25AQI (US)
26AQI (US)
27AQI (US)
31AQI (US)
29AQI (US)
29AQI (US)
24AQI (US)
23AQI (US)
22AQI (US)
21AQI (US)
21AQI (US)
18AQI (US)
23AQI (US)
22AQI (US)
24AQI (US)
25AQI (US)
30AQI (US)
48AQI (US)
17AQI (US)
19AQI (US)
23AQI (US)
25AQI (US)
27AQI (US)
23AQI (US)
20AQI (US)
19AQI (US)
22AQI (US)
22AQI (US)
26AQI (US)
29AQI (US)
26AQI (US)
28AQI (US)
26AQI (US)
24AQI (US)
26AQI (US)
23AQI (US)
17AQI (US)
40AQI (US)
22AQI (US)
29AQI (US)
26AQI (US)
25AQI (US)
25AQI (US)
26AQI (US)
26AQI (US)
28AQI (US)
30AQI (US)
41AQI (US)
29AQI (US)
38AQI (US)
45AQI (US)
31AQI (US)
25AQI (US)
29AQI (US)
38AQI (US)
60AQI (US)
52AQI (US)
39AQI (US)
29AQI (US)
24AQI (US)
24AQI (US)
30AQI (US)
33AQI (US)
31AQI (US)
47AQI (US)
48AQI (US)
41AQI (US)
22AQI (US)
24AQI (US)
25AQI (US)
23AQI (US)
25AQI (US)
22AQI (US)
24AQI (US)
23AQI (US)
26AQI (US)
23AQI (US)
25AQI (US)
16AQI (US)
23AQI (US)
25AQI (US)
23AQI (US)
24AQI (US)
24AQI (US)
23AQI (US)
26AQI (US)
29AQI (US)
34AQI (US)
36AQI (US)
38AQI (US)
38AQI (US)
26AQI (US)
23AQI (US)
21AQI (US)
23AQI (US)
23AQI (US)
22AQI (US)
29AQI (US)
25AQI (US)
22AQI (US)
24AQI (US)
23AQI (US)
17AQI (US)
24AQI (US)
27AQI (US)
25AQI (US)
23AQI (US)
23AQI (US)
28AQI (US)
27AQI (US)
25AQI (US)
20AQI (US)
20AQI (US)
25AQI (US)
22AQI (US)
23AQI (US)
9AQI (US)
24AQI (US)
25AQI (US)
23AQI (US)
27AQI (US)
23AQI (US)
23AQI (US)
24AQI (US)
29AQI (US)
36AQI (US)
45AQI (US)
36AQI (US)
41AQI (US)
25AQI (US)
32AQI (US)
27AQI (US)
23AQI (US)
No. of days
202633AQI (US)
Highest AQI (US) recorded in
March45AQI (US)
Lowest AQI (US) recorded in
September23AQI (US)
202541AQI (US)
Highest AQI (US) recorded in
October50AQI (US)
Lowest AQI (US) recorded in
February34AQI (US)
202438AQI (US)
Highest AQI (US) recorded in
April48AQI (US)
Lowest AQI (US) recorded in
August30AQI (US)
202342AQI (US)
Highest AQI (US) recorded in
March48AQI (US)
Lowest AQI (US) recorded in
August30AQI (US)
202242AQI (US)
Highest AQI (US) recorded in
March47AQI (US)
Lowest AQI (US) recorded in
December37AQI (US)
202139AQI (US)
Highest AQI (US) recorded in
March43AQI (US)
Lowest AQI (US) recorded in
September36AQI (US)
202040AQI (US)
Highest AQI (US) recorded in
August51AQI (US)
Lowest AQI (US) recorded in
September32AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Ageoshimo's annual 2026 AQI (US) (33) shows an average percentage change of -18.06% (improved AQI (US)) compared to previous years: 2020 (40), 2021 (39), 2022 (42), 2023 (42), 2024 (38), 2025 (41).