Danyang 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
Danyang 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 39 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 19th Sep - 20th Sep 2025
Danyang Eup, Chechon, Chungbuk, South Korea
6 AM19th Sep 2025
6 PM
5 AM20th Sep 2025
41AQI
22AQI
41AQI
26AQI
In the last 24 hours,
Danyang Eup's AQI reached its highest point of 41 at 7 AM during the Day, while the lowest point, 22, was recorded at 1 PM during the Day between 19th Sep and 20th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Danyang Eup, Chechon, Chungbuk, South Korea
27°C22/33°C
26°C20/32°C
26°C19/33°C
26°C20/32°C
25°C20/32°C
24°C20/27°C
24°C17/32°C
24°C17/32°C
24°C19/29°C
24°C20/31°C
24°C19/31°C
24°C19/32°C
24°C20/29°C
24°C18/31°C
20°C17/23°C
23°C16/31°C
23°C18/29°C
22°C20/30°C
21°C14/31°C
19°C17/23°C
20°C15/27°C
19°C11/30°C
19°C14/26°C
19°C17/22°C
20°C16/26°C
21°C15/29°C
21°C16/29°C
21°C18/23°C
16°C14/19°C
15°C12/18°C
--°C/°C
47AQI
42AQI
47AQI
43AQI
2025 Days Vs Air Quality
Danyang Eup, Chechon, Chungbuk, South Korea
25%
66
73%
190
2%
6
Total number of days with different AQI categories in last 263 days in 2025 (102 days remaining)
Under WHO’s Safe Air Quality Limits: 25%
Health Risk Level:
Very high
In 2025, 25% 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
Danyang Eup, Chechon, Chungbuk, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
68AQI
69AQI
55AQI
58AQI
63AQI
94AQI
58AQI
69AQI
41AQI
58AQI
56AQI
75AQI
89AQI
101AQI
58AQI
69AQI
81AQI
88AQI
76AQI
97AQI
128AQI
133AQI
109AQI
91AQI
65AQI
51AQI
59AQI
52AQI
59AQI
56AQI
76AQI
76AQI
74AQI
59AQI
47AQI
42AQI
44AQI
48AQI
42AQI
53AQI
52AQI
70AQI
71AQI
52AQI
76AQI
57AQI
95AQI
51AQI
60AQI
50AQI
55AQI
54AQI
56AQI
57AQI
58AQI
57AQI
82AQI
57AQI
71AQI
70AQI
66AQI
56AQI
48AQI
43AQI
51AQI
59AQI
62AQI
78AQI
72AQI
79AQI
78AQI
74AQI
64AQI
46AQI
57AQI
60AQI
55AQI
72AQI
72AQI
83AQI
78AQI
82AQI
88AQI
109AQI
98AQI
116AQI
92AQI
62AQI
58AQI
62AQI
62AQI
63AQI
73AQI
69AQI
69AQI
65AQI
64AQI
81AQI
71AQI
76AQI
70AQI
59AQI
57AQI
54AQI
56AQI
62AQI
68AQI
79AQI
67AQI
60AQI
54AQI
49AQI
40AQI
58AQI
72AQI
56AQI
52AQI
53AQI
63AQI
61AQI
57AQI
56AQI
51AQI
52AQI
52AQI
50AQI
58AQI
73AQI
54AQI
42AQI
62AQI
66AQI
72AQI
71AQI
67AQI
58AQI
54AQI
59AQI
63AQI
63AQI
62AQI
60AQI
67AQI
49AQI
58AQI
60AQI
65AQI
78AQI
70AQI
59AQI
61AQI
65AQI
79AQI
72AQI
56AQI
59AQI
60AQI
67AQI
68AQI
70AQI
67AQI
59AQI
60AQI
65AQI
66AQI
61AQI
62AQI
65AQI
69AQI
67AQI
58AQI
50AQI
53AQI
63AQI
56AQI
52AQI
55AQI
70AQI
65AQI
59AQI
50AQI
50AQI
49AQI
56AQI
60AQI
57AQI
60AQI
68AQI
68AQI
59AQI
54AQI
52AQI
52AQI
57AQI
52AQI
44AQI
54AQI
47AQI
49AQI
39AQI
47AQI
51AQI
42AQI
51AQI
55AQI
53AQI
43AQI
41AQI
50AQI
53AQI
51AQI
52AQI
55AQI
59AQI
61AQI
54AQI
51AQI
45AQI
50AQI
54AQI
53AQI
46AQI
53AQI
44AQI
42AQI
40AQI
47AQI
47AQI
42AQI
51AQI
47AQI
46AQI
47AQI
50AQI
50AQI
52AQI
51AQI
44AQI
45AQI
50AQI
47AQI
47AQI
50AQI
39AQI
45AQI
45AQI
37AQI
35AQI
40AQI
40AQI
45AQI
48AQI
46AQI
47AQI
46AQI
44AQI
47AQI
57AQI
48AQI
38AQI
33AQI
39AQI
74AQI
60AQI
71AQI
63AQI
60AQI
62AQI
52AQI
49AQI
43AQI
No. of days
202560AQI
Highest AQI recorded in
January74AQI
Lowest AQI recorded in
September43AQI
202451AQI
Highest AQI recorded in
January66AQI
Lowest AQI recorded in
September30AQI
202361AQI
Highest AQI recorded in
March81AQI
Lowest AQI recorded in
August40AQI
202259AQI
Highest AQI recorded in
February71AQI
Lowest AQI recorded in
August23AQI
202158AQI
Highest AQI recorded in
February75AQI
Lowest AQI recorded in
September35AQI
202052AQI
Highest AQI recorded in
December77AQI
Lowest AQI recorded in
July37AQI
Most & Least Polluted Years Over the Last 6 Years
Danyang Eup's annual 2025 AQI (60) shows an average percentage change of 7.7% (worsened AQI) compared to previous years: 2020 (52), 2021 (58), 2022 (59), 2023 (61), 2024 (51).