Konosu, 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
Konosu, Saitama, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (20th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 47 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Aug - 22nd Aug 2025
Konosu, Saitama, Japan
4 AM21st Aug 2025
6 PM
3 AM22nd Aug 2025
AQI
AQI
57AQI
46AQI
In the last 24 hours,
Konosu's AQI reached its highest point of 57 at 2 PM during the Night, while the lowest point, 46, was recorded at 3 AM during the Night between 21st Aug and 22nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Konosu, Saitama, Japan
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
35°C30/41°C
33°C29/39°C
30°C28/33°C
29°C23/37°C
29°C24/34°C
25°C24/25°C
26°C25/29°C
26°C25/27°C
28°C25/33°C
29°C25/34°C
31°C26/37°C
29°C26/34°C
31°C26/37°C
30°C25/37°C
30°C25/37°C
32°C27/38°C
--°C/°C
--°C/°C
45AQI
38AQI
40AQI
37AQI
2025 Days Vs Air Quality
Konosu, Saitama, Japan
86%
199
14%
33
Total number of days with different AQI categories in last 233 days in 2025 (132 days remaining)
Under WHO’s Safe Air Quality Limits: 86%
Health Risk Level:
Low
In 2025, 86% of 233 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
Konosu, Saitama, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
32AQI
32AQI
25AQI
28AQI
40AQI
54AQI
33AQI
36AQI
33AQI
28AQI
28AQI
43AQI
30AQI
40AQI
35AQI
34AQI
31AQI
36AQI
47AQI
43AQI
46AQI
40AQI
49AQI
49AQI
39AQI
36AQI
38AQI
44AQI
33AQI
35AQI
30AQI
45AQI
37AQI
45AQI
34AQI
35AQI
29AQI
34AQI
29AQI
30AQI
29AQI
31AQI
42AQI
36AQI
35AQI
32AQI
42AQI
38AQI
34AQI
31AQI
30AQI
31AQI
31AQI
32AQI
33AQI
33AQI
38AQI
44AQI
53AQI
55AQI
63AQI
40AQI
41AQI
29AQI
36AQI
32AQI
41AQI
37AQI
40AQI
42AQI
51AQI
48AQI
41AQI
44AQI
27AQI
23AQI
27AQI
18AQI
26AQI
40AQI
48AQI
56AQI
61AQI
74AQI
73AQI
76AQI
58AQI
35AQI
40AQI
32AQI
33AQI
21AQI
24AQI
22AQI
31AQI
25AQI
32AQI
41AQI
29AQI
49AQI
42AQI
44AQI
34AQI
36AQI
29AQI
30AQI
47AQI
56AQI
68AQI
63AQI
50AQI
53AQI
35AQI
45AQI
45AQI
50AQI
52AQI
53AQI
38AQI
50AQI
42AQI
32AQI
34AQI
39AQI
36AQI
33AQI
26AQI
34AQI
34AQI
23AQI
23AQI
26AQI
37AQI
41AQI
43AQI
49AQI
29AQI
45AQI
44AQI
63AQI
64AQI
54AQI
50AQI
47AQI
34AQI
32AQI
28AQI
29AQI
34AQI
29AQI
19AQI
23AQI
32AQI
36AQI
30AQI
43AQI
46AQI
53AQI
60AQI
54AQI
38AQI
34AQI
42AQI
43AQI
38AQI
33AQI
40AQI
48AQI
45AQI
47AQI
45AQI
40AQI
34AQI
33AQI
33AQI
28AQI
29AQI
33AQI
34AQI
39AQI
42AQI
44AQI
46AQI
50AQI
49AQI
50AQI
57AQI
74AQI
76AQI
79AQI
66AQI
53AQI
55AQI
56AQI
45AQI
45AQI
45AQI
44AQI
42AQI
38AQI
38AQI
40AQI
41AQI
44AQI
45AQI
43AQI
44AQI
41AQI
44AQI
41AQI
35AQI
36AQI
34AQI
41AQI
44AQI
59AQI
51AQI
50AQI
43AQI
41AQI
43AQI
36AQI
37AQI
35AQI
33AQI
32AQI
33AQI
34AQI
38AQI
42AQI
43AQI
47AQI
37AQI
35AQI
44AQI
41AQI
37AQI
39AQI
49AQI
41AQI
No. of days
202540AQI
Highest AQI recorded in
July49AQI
Lowest AQI recorded in
February35AQI
202440AQI
Highest AQI recorded in
April51AQI
Lowest AQI recorded in
August33AQI
202343AQI
Highest AQI recorded in
April50AQI
Lowest AQI recorded in
August31AQI
202241AQI
Highest AQI recorded in
August53AQI
Lowest AQI recorded in
September30AQI
202140AQI
Highest AQI recorded in
March44AQI
Lowest AQI recorded in
August33AQI
202038AQI
Highest AQI recorded in
November51AQI
Lowest AQI recorded in
September22AQI
Most & Least Polluted Years Over the Last 6 Years
Konosu's annual 2025 AQI (40) shows an average percentage change of 0.6% (worsened AQI) compared to previous years: 2020 (38), 2021 (40), 2022 (41), 2023 (43), 2024 (40).