Namiemachi, Maebashi, Gunma, 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
Namiemachi, Maebashi, Gunma, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (5th August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 49 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 6th Aug - 7th Aug 2025
Namiemachi, Maebashi, Gunma, Japan
4 AM6th Aug 2025
6 PM
3 AM7th Aug 2025
AQI
AQI
59AQI
36AQI
In the last 24 hours,
Namiemachi's AQI reached its highest point of 59 at 2 PM during the Night, while the lowest point, undefined, was recorded at 3 AM during the Night between 6th Aug and 7th Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Namiemachi, Maebashi, Gunma, Japan
30°C26/35°C
30°C26/36°C
28°C23/34°C
22°C21/23°C
24°C21/27°C
26°C22/31°C
25°C23/29°C
26°C24/30°C
27°C22/33°C
25°C24/29°C
28°C23/33°C
29°C25/33°C
30°C24/36°C
31°C26/37°C
30°C25/37°C
30°C24/37°C
30°C25/37°C
30°C25/37°C
30°C24/37°C
31°C25/37°C
31°C26/36°C
31°C27/37°C
30°C26/36°C
29°C24/35°C
28°C24/32°C
30°C23/38°C
31°C26/37°C
32°C27/37°C
32°C25/40°C
--°C/°C
--°C/°C
51AQI
47AQI
48AQI
48AQI
2025 Days Vs Air Quality
Namiemachi, Maebashi, Gunma, Japan
76%
166
24%
51
Total number of days with different AQI categories in last 218 days in 2025 (147 days remaining)
Under WHO’s Safe Air Quality Limits: 76%
Health Risk Level:
Low
In 2025, 76% of 218 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
Namiemachi, Maebashi, Gunma, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
42AQI
44AQI
32AQI
35AQI
33AQI
45AQI
38AQI
37AQI
35AQI
32AQI
35AQI
37AQI
36AQI
40AQI
44AQI
36AQI
35AQI
39AQI
41AQI
43AQI
57AQI
64AQI
60AQI
53AQI
41AQI
40AQI
41AQI
49AQI
39AQI
40AQI
36AQI
42AQI
49AQI
46AQI
42AQI
38AQI
38AQI
40AQI
31AQI
36AQI
35AQI
34AQI
40AQI
35AQI
43AQI
33AQI
47AQI
43AQI
40AQI
37AQI
34AQI
36AQI
39AQI
36AQI
38AQI
39AQI
43AQI
49AQI
53AQI
57AQI
56AQI
40AQI
42AQI
32AQI
37AQI
35AQI
42AQI
41AQI
50AQI
45AQI
52AQI
51AQI
50AQI
47AQI
33AQI
31AQI
43AQI
34AQI
41AQI
47AQI
55AQI
60AQI
64AQI
78AQI
77AQI
75AQI
73AQI
48AQI
50AQI
41AQI
39AQI
33AQI
33AQI
33AQI
42AQI
29AQI
33AQI
40AQI
30AQI
46AQI
44AQI
46AQI
29AQI
31AQI
26AQI
29AQI
44AQI
50AQI
59AQI
57AQI
45AQI
55AQI
34AQI
41AQI
45AQI
50AQI
49AQI
54AQI
41AQI
51AQI
47AQI
35AQI
33AQI
35AQI
37AQI
31AQI
27AQI
32AQI
35AQI
24AQI
23AQI
28AQI
40AQI
46AQI
49AQI
53AQI
38AQI
47AQI
46AQI
56AQI
62AQI
60AQI
55AQI
49AQI
33AQI
32AQI
33AQI
32AQI
40AQI
30AQI
24AQI
24AQI
37AQI
35AQI
34AQI
39AQI
46AQI
52AQI
59AQI
57AQI
47AQI
35AQI
43AQI
49AQI
43AQI
29AQI
42AQI
47AQI
45AQI
49AQI
51AQI
51AQI
53AQI
42AQI
44AQI
41AQI
38AQI
47AQI
42AQI
48AQI
51AQI
54AQI
52AQI
55AQI
55AQI
56AQI
55AQI
64AQI
70AQI
69AQI
61AQI
48AQI
52AQI
52AQI
42AQI
40AQI
47AQI
42AQI
42AQI
42AQI
44AQI
47AQI
48AQI
50AQI
51AQI
52AQI
52AQI
49AQI
51AQI
51AQI
47AQI
45AQI
36AQI
43AQI
46AQI
54AQI
49AQI
41AQI
40AQI
49AQI
41AQI
39AQI
44AQI
51AQI
46AQI
No. of days
202544AQI
Highest AQI recorded in
July51AQI
Lowest AQI recorded in
May39AQI
202450AQI
Highest AQI recorded in
November74AQI
Lowest AQI recorded in
January37AQI
202348AQI
Highest AQI recorded in
July58AQI
Lowest AQI recorded in
January39AQI
202245AQI
Highest AQI recorded in
June56AQI
Lowest AQI recorded in
December39AQI
202143AQI
Highest AQI recorded in
June51AQI
Lowest AQI recorded in
January34AQI
202040AQI
Highest AQI recorded in
August58AQI
Lowest AQI recorded in
December31AQI
Most & Least Polluted Years Over the Last 6 Years
Namiemachi's annual 2025 AQI (44) shows an average percentage change of -3.01% (improved AQI) compared to previous years: 2020 (40), 2021 (43), 2022 (45), 2023 (48), 2024 (50).