Yeongwol Eup, Chechon, 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
Yeongwol Eup, Chechon, Chungbuk, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (19th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 37 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 20th Sep - 21st Sep 2025
Yeongwol Eup, Chechon, Chungbuk, South Korea
6 AM20th Sep 2025
6 PM
5 AM21st Sep 2025
AQI
AQI
38AQI
13AQI
In the last 24 hours,
Yeongwol Eup's AQI reached its highest point of 38 at 8 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 20th Sep and 21st Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Yeongwol Eup, Chechon, Chungbuk, South Korea
25°C18/33°C
27°C21/34°C
26°C20/33°C
25°C20/32°C
23°C19/27°C
23°C17/31°C
23°C17/31°C
23°C19/29°C
24°C19/30°C
23°C18/30°C
23°C18/29°C
22°C19/29°C
22°C15/31°C
19°C16/23°C
22°C16/31°C
22°C17/27°C
22°C19/29°C
21°C14/30°C
20°C17/24°C
19°C14/28°C
18°C11/28°C
18°C13/25°C
18°C16/20°C
19°C15/25°C
20°C14/29°C
21°C15/29°C
19°C17/23°C
16°C14/19°C
15°C11/18°C
--°C/°C
--°C/°C
48AQI
42AQI
48AQI
44AQI
2025 Days Vs Air Quality
Yeongwol Eup, Chechon, Chungbuk, South Korea
28%
74
69%
181
3%
7
Total number of days with different AQI categories in last 263 days in 2025 (102 days remaining)
Under WHO’s Safe Air Quality Limits: 28%
Health Risk Level:
Very high
In 2025, 28% of 263 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Yeongwol Eup, Chechon, Chungbuk, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
70AQI
69AQI
57AQI
61AQI
64AQI
94AQI
60AQI
70AQI
43AQI
59AQI
59AQI
71AQI
84AQI
97AQI
57AQI
70AQI
74AQI
86AQI
77AQI
101AQI
126AQI
128AQI
108AQI
89AQI
64AQI
53AQI
63AQI
55AQI
59AQI
56AQI
77AQI
72AQI
72AQI
59AQI
52AQI
46AQI
47AQI
52AQI
51AQI
56AQI
61AQI
74AQI
73AQI
51AQI
75AQI
56AQI
102AQI
49AQI
62AQI
51AQI
58AQI
56AQI
56AQI
58AQI
60AQI
60AQI
83AQI
60AQI
75AQI
75AQI
76AQI
52AQI
47AQI
39AQI
44AQI
57AQI
63AQI
73AQI
74AQI
84AQI
81AQI
70AQI
63AQI
47AQI
55AQI
59AQI
53AQI
70AQI
75AQI
88AQI
81AQI
87AQI
90AQI
111AQI
93AQI
121AQI
87AQI
66AQI
57AQI
62AQI
63AQI
63AQI
69AQI
68AQI
69AQI
63AQI
66AQI
77AQI
70AQI
72AQI
65AQI
57AQI
55AQI
51AQI
54AQI
64AQI
64AQI
77AQI
63AQI
61AQI
52AQI
45AQI
35AQI
55AQI
66AQI
56AQI
52AQI
53AQI
61AQI
59AQI
56AQI
53AQI
50AQI
51AQI
50AQI
44AQI
53AQI
66AQI
51AQI
42AQI
59AQI
63AQI
69AQI
65AQI
64AQI
53AQI
51AQI
57AQI
60AQI
57AQI
58AQI
57AQI
62AQI
46AQI
53AQI
58AQI
62AQI
73AQI
65AQI
57AQI
57AQI
59AQI
71AQI
64AQI
52AQI
54AQI
57AQI
61AQI
60AQI
64AQI
62AQI
54AQI
60AQI
61AQI
51AQI
58AQI
57AQI
62AQI
66AQI
65AQI
55AQI
44AQI
39AQI
53AQI
51AQI
45AQI
48AQI
61AQI
60AQI
55AQI
46AQI
44AQI
40AQI
52AQI
55AQI
53AQI
56AQI
63AQI
63AQI
57AQI
52AQI
49AQI
47AQI
52AQI
43AQI
38AQI
48AQI
38AQI
40AQI
32AQI
36AQI
47AQI
39AQI
44AQI
51AQI
51AQI
40AQI
38AQI
47AQI
52AQI
48AQI
50AQI
56AQI
60AQI
62AQI
55AQI
52AQI
46AQI
49AQI
52AQI
50AQI
44AQI
53AQI
45AQI
43AQI
44AQI
49AQI
49AQI
43AQI
51AQI
49AQI
47AQI
49AQI
52AQI
51AQI
55AQI
53AQI
47AQI
48AQI
51AQI
49AQI
49AQI
51AQI
43AQI
48AQI
46AQI
38AQI
35AQI
42AQI
39AQI
48AQI
50AQI
48AQI
48AQI
47AQI
46AQI
48AQI
51AQI
45AQI
37AQI
33AQI
37AQI
74AQI
62AQI
71AQI
61AQI
57AQI
57AQI
47AQI
50AQI
44AQI
No. of days
202559AQI
Highest AQI recorded in
January74AQI
Lowest AQI recorded in
September44AQI
202449AQI
Highest AQI recorded in
January70AQI
Lowest AQI recorded in
September28AQI
202355AQI
Highest AQI recorded in
March76AQI
Lowest AQI recorded in
July31AQI
202259AQI
Highest AQI recorded in
January80AQI
Lowest AQI recorded in
August22AQI
202151AQI
Highest AQI recorded in
November68AQI
Lowest AQI recorded in
September28AQI
202058AQI
Highest AQI recorded in
April73AQI
Lowest AQI recorded in
August36AQI
Most & Least Polluted Years Over the Last 6 Years
Yeongwol Eup's annual 2025 AQI (59) shows an average percentage change of 8.1% (worsened AQI) compared to previous years: 2020 (58), 2021 (51), 2022 (59), 2023 (55), 2024 (49).