Wonbuk myeon, Sosan, Chungnam, 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
Wonbuk myeon, Sosan, Chungnam, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (29th September ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 4th highest AQI at 31 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: 30th Sep - 1st Oct 2025
Wonbuk myeon, Sosan, Chungnam, South Korea
6 AM30th Sep 2025
6 PM
5 AM1st Oct 2025
AQI
AQI
66AQI
28AQI
In the last 24 hours,
Wonbuk myeon's AQI reached its highest point of 66 at 7 PM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 30th Sep and 1st Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Wonbuk myeon, Sosan, Chungnam, South Korea
26°C24/28°C
25°C22/28°C
25°C21/29°C
24°C22/26°C
26°C23/29°C
27°C25/29°C
25°C22/27°C
24°C21/27°C
24°C21/26°C
24°C20/27°C
25°C21/29°C
23°C20/24°C
24°C22/26°C
24°C22/26°C
24°C21/28°C
25°C23/27°C
23°C21/25°C
22°C20/25°C
19°C17/20°C
20°C17/23°C
21°C18/24°C
21°C19/24°C
21°C19/24°C
22°C20/23°C
22°C20/24°C
21°C19/24°C
22°C19/24°C
21°C19/21°C
20°C18/23°C
--°C/°C
--°C/°C
45AQI
40AQI
45AQI
42AQI
2025 Days Vs Air Quality
Wonbuk myeon, Sosan, Chungnam, South Korea
36%
97
64%
174
0.3%
1
Total number of days with different AQI categories in last 273 days in 2025 (92 days remaining)
Under WHO’s Safe Air Quality Limits: 36%
Health Risk Level:
High
In 2025, 36% of 273 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.
Annual Air Quality Insights
Wonbuk myeon, Sosan, Chungnam, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
64AQI
52AQI
51AQI
56AQI
57AQI
64AQI
55AQI
56AQI
41AQI
55AQI
55AQI
66AQI
83AQI
87AQI
57AQI
72AQI
61AQI
59AQI
64AQI
105AQI
91AQI
99AQI
78AQI
93AQI
74AQI
52AQI
58AQI
54AQI
55AQI
56AQI
77AQI
80AQI
94AQI
54AQI
50AQI
48AQI
50AQI
38AQI
48AQI
48AQI
59AQI
79AQI
60AQI
63AQI
77AQI
65AQI
98AQI
59AQI
58AQI
52AQI
51AQI
54AQI
58AQI
55AQI
60AQI
57AQI
65AQI
65AQI
65AQI
81AQI
77AQI
56AQI
46AQI
41AQI
75AQI
78AQI
73AQI
75AQI
82AQI
79AQI
77AQI
73AQI
69AQI
59AQI
66AQI
66AQI
84AQI
81AQI
82AQI
79AQI
89AQI
91AQI
92AQI
96AQI
86AQI
76AQI
53AQI
53AQI
51AQI
70AQI
67AQI
75AQI
83AQI
75AQI
67AQI
63AQI
71AQI
70AQI
67AQI
71AQI
68AQI
54AQI
59AQI
41AQI
55AQI
59AQI
61AQI
64AQI
39AQI
57AQI
55AQI
40AQI
45AQI
54AQI
50AQI
48AQI
41AQI
62AQI
66AQI
58AQI
59AQI
52AQI
48AQI
46AQI
54AQI
47AQI
52AQI
55AQI
55AQI
60AQI
68AQI
72AQI
72AQI
67AQI
55AQI
43AQI
38AQI
53AQI
57AQI
42AQI
45AQI
44AQI
54AQI
54AQI
48AQI
63AQI
64AQI
65AQI
71AQI
76AQI
77AQI
71AQI
75AQI
65AQI
52AQI
50AQI
54AQI
61AQI
53AQI
50AQI
44AQI
47AQI
57AQI
61AQI
58AQI
51AQI
50AQI
54AQI
56AQI
58AQI
47AQI
50AQI
46AQI
52AQI
56AQI
48AQI
49AQI
62AQI
54AQI
49AQI
49AQI
48AQI
51AQI
50AQI
50AQI
51AQI
50AQI
55AQI
59AQI
59AQI
56AQI
58AQI
56AQI
61AQI
58AQI
48AQI
53AQI
50AQI
48AQI
44AQI
48AQI
45AQI
43AQI
48AQI
50AQI
62AQI
63AQI
55AQI
57AQI
60AQI
64AQI
61AQI
58AQI
60AQI
58AQI
51AQI
50AQI
49AQI
45AQI
49AQI
51AQI
54AQI
56AQI
49AQI
41AQI
38AQI
37AQI
37AQI
41AQI
50AQI
45AQI
46AQI
45AQI
47AQI
48AQI
51AQI
46AQI
43AQI
47AQI
50AQI
45AQI
42AQI
45AQI
39AQI
47AQI
51AQI
46AQI
36AQI
38AQI
41AQI
47AQI
51AQI
51AQI
52AQI
50AQI
42AQI
44AQI
49AQI
45AQI
38AQI
44AQI
38AQI
33AQI
32AQI
32AQI
34AQI
37AQI
36AQI
44AQI
56AQI
38AQI
31AQI
66AQI
61AQI
73AQI
60AQI
57AQI
54AQI
54AQI
48AQI
42AQI
No. of days
202557AQI
Highest AQI recorded in
March73AQI
Lowest AQI recorded in
September42AQI
202457AQI
Highest AQI recorded in
March71AQI
Lowest AQI recorded in
July39AQI
202363AQI
Highest AQI recorded in
February86AQI
Lowest AQI recorded in
September46AQI
202259AQI
Highest AQI recorded in
November66AQI
Lowest AQI recorded in
September55AQI
Most & Least Polluted Years Over the Last 4 Years
Wonbuk myeon's annual 2025 AQI (57) shows an average percentage change of -4.1% (improved AQI) compared to previous years: 2022 (59), 2023 (63), 2024 (57).