Self Myeon, Eumseong, Chungbuk, South Korea 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
Self Myeon, Eumseong, Chungbuk, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (20th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 30 of Good air quality, showing improvement over 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 20th Sep - 21st Sep 2025
Self Myeon, Eumseong, Chungbuk, South Korea
6 AM20th Sep 2025
6 PM
5 AM21st Sep 2025
36AQI
13AQI
36AQI
28AQI
In the last 24 hours,
Self Myeon's AQI reached its highest point of 36 at 6 AM during the Day, while the lowest point, 13, was recorded at 12 PM during the Day between 20th Sep and 21st Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Self Myeon, Eumseong, Chungbuk, South Korea
27°C22/32°C
27°C22/33°C
28°C24/32°C
27°C23/33°C
25°C21/29°C
25°C20/31°C
25°C20/31°C
26°C23/31°C
26°C23/31°C
26°C22/32°C
25°C21/31°C
23°C21/28°C
25°C19/32°C
22°C20/24°C
25°C19/32°C
25°C21/29°C
24°C20/28°C
22°C18/29°C
21°C18/24°C
22°C17/30°C
22°C16/31°C
21°C18/26°C
22°C20/25°C
22°C19/27°C
23°C18/29°C
23°C19/28°C
22°C20/25°C
19°C16/21°C
16°C14/18°C
16°C14/19°C
--°C/°C
45AQI
38AQI
45AQI
40AQI
2025 Days Vs Air Quality
Self Myeon, Eumseong, Chungbuk, South Korea
40%
104
57%
150
3%
9
Total number of days with different AQI categories in last 264 days in 2025 (101 days remaining)
Under WHO’s Safe Air Quality Limits: 40%
Health Risk Level:
Significant
In 2025, 40% of 264 days were within WHO’s safe air quality limits, and 60% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Self Myeon, Eumseong, Chungbuk, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
73AQI
73AQI
60AQI
63AQI
75AQI
102AQI
66AQI
74AQI
43AQI
64AQI
64AQI
83AQI
91AQI
96AQI
58AQI
71AQI
95AQI
107AQI
97AQI
121AQI
141AQI
136AQI
129AQI
124AQI
85AQI
67AQI
68AQI
57AQI
62AQI
61AQI
76AQI
91AQI
83AQI
61AQI
50AQI
50AQI
51AQI
54AQI
52AQI
56AQI
64AQI
76AQI
78AQI
50AQI
84AQI
57AQI
107AQI
52AQI
63AQI
50AQI
58AQI
55AQI
59AQI
59AQI
58AQI
58AQI
79AQI
64AQI
85AQI
96AQI
81AQI
56AQI
49AQI
44AQI
64AQI
76AQI
72AQI
87AQI
81AQI
98AQI
94AQI
83AQI
76AQI
47AQI
68AQI
59AQI
61AQI
78AQI
78AQI
92AQI
94AQI
100AQI
97AQI
124AQI
83AQI
94AQI
73AQI
53AQI
52AQI
61AQI
69AQI
69AQI
75AQI
79AQI
62AQI
69AQI
64AQI
81AQI
68AQI
80AQI
75AQI
59AQI
58AQI
46AQI
55AQI
63AQI
62AQI
75AQI
54AQI
56AQI
38AQI
37AQI
28AQI
52AQI
61AQI
53AQI
42AQI
49AQI
59AQI
52AQI
46AQI
52AQI
45AQI
46AQI
46AQI
40AQI
51AQI
63AQI
44AQI
40AQI
62AQI
63AQI
67AQI
68AQI
52AQI
45AQI
41AQI
56AQI
56AQI
42AQI
42AQI
46AQI
56AQI
41AQI
41AQI
53AQI
64AQI
73AQI
69AQI
55AQI
60AQI
72AQI
86AQI
77AQI
51AQI
54AQI
57AQI
65AQI
61AQI
62AQI
61AQI
57AQI
54AQI
59AQI
41AQI
49AQI
53AQI
58AQI
62AQI
60AQI
44AQI
40AQI
45AQI
53AQI
49AQI
39AQI
47AQI
58AQI
56AQI
44AQI
40AQI
37AQI
36AQI
49AQI
53AQI
51AQI
54AQI
60AQI
60AQI
56AQI
54AQI
49AQI
47AQI
54AQI
48AQI
38AQI
48AQI
36AQI
37AQI
30AQI
37AQI
40AQI
34AQI
44AQI
50AQI
46AQI
41AQI
38AQI
49AQI
50AQI
51AQI
50AQI
56AQI
61AQI
60AQI
50AQI
50AQI
45AQI
49AQI
53AQI
52AQI
46AQI
52AQI
42AQI
39AQI
38AQI
40AQI
41AQI
39AQI
50AQI
43AQI
45AQI
46AQI
48AQI
50AQI
50AQI
50AQI
43AQI
47AQI
51AQI
47AQI
44AQI
46AQI
38AQI
45AQI
46AQI
40AQI
37AQI
37AQI
39AQI
45AQI
48AQI
45AQI
45AQI
43AQI
38AQI
43AQI
46AQI
42AQI
34AQI
32AQI
32AQI
30AQI
83AQI
64AQI
76AQI
60AQI
52AQI
55AQI
46AQI
48AQI
40AQI
No. of days
202559AQI
Highest AQI recorded in
January83AQI
Lowest AQI recorded in
September40AQI
202459AQI
Highest AQI recorded in
January84AQI
Lowest AQI recorded in
July32AQI
202368AQI
Highest AQI recorded in
February95AQI
Lowest AQI recorded in
September38AQI
202275AQI
Highest AQI recorded in
January106AQI
Lowest AQI recorded in
August22AQI
202165AQI
Highest AQI recorded in
February92AQI
Lowest AQI recorded in
September31AQI
202063AQI
Highest AQI recorded in
December102AQI
Lowest AQI recorded in
July34AQI
Most & Least Polluted Years Over the Last 6 Years
Self Myeon's annual 2025 AQI (59) shows an average percentage change of -9.6% (improved AQI) compared to previous years: 2020 (63), 2021 (65), 2022 (75), 2023 (68), 2024 (59).