Chilgeum Dong, Chungju, 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
Chilgeum Dong, Chungju, Chungbuk, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (21st September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 25 of Good air quality, showing improvement over 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 22nd Sep - 23rd Sep 2025
Chilgeum Dong, Chungju, Chungbuk, South Korea
6 AM22nd Sep 2025
6 PM
5 AM23rd Sep 2025
AQI
AQI
32AQI
19AQI
In the last 24 hours,
Chilgeum Dong's AQI reached its highest point of 32 at 2 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 22nd Sep and 23rd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Chilgeum Dong, Chungju, Chungbuk, South Korea
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
19°C14/25°C
--°C/°C
--°C/°C
44AQI
36AQI
44AQI
37AQI
2025 Days Vs Air Quality
Chilgeum Dong, Chungju, Chungbuk, South Korea
33%
86
62%
164
5%
14
Total number of days with different AQI categories in last 265 days in 2025 (100 days remaining)
Under WHO’s Safe Air Quality Limits: 33%
Health Risk Level:
High
In 2025, 33% of 265 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
Chilgeum Dong, Chungju, Chungbuk, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
76AQI
79AQI
62AQI
67AQI
74AQI
105AQI
65AQI
78AQI
45AQI
67AQI
67AQI
86AQI
100AQI
101AQI
63AQI
74AQI
95AQI
110AQI
99AQI
122AQI
143AQI
143AQI
128AQI
128AQI
88AQI
70AQI
70AQI
61AQI
65AQI
62AQI
80AQI
94AQI
84AQI
65AQI
55AQI
52AQI
54AQI
56AQI
52AQI
60AQI
66AQI
81AQI
84AQI
57AQI
90AQI
60AQI
110AQI
56AQI
66AQI
54AQI
59AQI
57AQI
60AQI
59AQI
61AQI
60AQI
83AQI
65AQI
87AQI
101AQI
83AQI
57AQI
49AQI
45AQI
64AQI
81AQI
74AQI
92AQI
88AQI
98AQI
100AQI
91AQI
78AQI
51AQI
70AQI
62AQI
59AQI
78AQI
81AQI
94AQI
94AQI
103AQI
103AQI
125AQI
88AQI
105AQI
81AQI
60AQI
55AQI
63AQI
70AQI
73AQI
79AQI
83AQI
71AQI
70AQI
69AQI
84AQI
72AQI
79AQI
77AQI
62AQI
58AQI
51AQI
56AQI
67AQI
67AQI
80AQI
64AQI
61AQI
45AQI
41AQI
29AQI
57AQI
63AQI
54AQI
45AQI
52AQI
63AQI
58AQI
53AQI
54AQI
48AQI
50AQI
49AQI
42AQI
52AQI
65AQI
47AQI
41AQI
63AQI
66AQI
71AQI
71AQI
58AQI
56AQI
46AQI
57AQI
58AQI
52AQI
48AQI
50AQI
61AQI
44AQI
48AQI
57AQI
68AQI
77AQI
72AQI
55AQI
61AQI
71AQI
89AQI
79AQI
54AQI
58AQI
60AQI
67AQI
62AQI
66AQI
64AQI
59AQI
58AQI
63AQI
46AQI
53AQI
56AQI
60AQI
65AQI
67AQI
47AQI
44AQI
46AQI
57AQI
54AQI
40AQI
54AQI
63AQI
61AQI
51AQI
44AQI
44AQI
40AQI
53AQI
54AQI
52AQI
54AQI
61AQI
64AQI
57AQI
50AQI
47AQI
47AQI
54AQI
45AQI
37AQI
50AQI
36AQI
39AQI
31AQI
37AQI
42AQI
36AQI
44AQI
51AQI
53AQI
43AQI
38AQI
48AQI
53AQI
51AQI
51AQI
55AQI
61AQI
60AQI
47AQI
49AQI
44AQI
51AQI
55AQI
55AQI
50AQI
53AQI
40AQI
38AQI
38AQI
38AQI
40AQI
40AQI
50AQI
43AQI
45AQI
45AQI
47AQI
50AQI
51AQI
49AQI
42AQI
47AQI
50AQI
46AQI
43AQI
47AQI
38AQI
45AQI
46AQI
37AQI
31AQI
36AQI
38AQI
45AQI
47AQI
45AQI
45AQI
42AQI
36AQI
40AQI
48AQI
43AQI
34AQI
31AQI
30AQI
27AQI
25AQI
86AQI
67AQI
80AQI
63AQI
56AQI
59AQI
47AQI
47AQI
39AQI
No. of days
202561AQI
Highest AQI recorded in
January86AQI
Lowest AQI recorded in
September39AQI
202461AQI
Highest AQI recorded in
January80AQI
Lowest AQI recorded in
September37AQI
202373AQI
Highest AQI recorded in
February109AQI
Lowest AQI recorded in
July47AQI
202275AQI
Highest AQI recorded in
December99AQI
Lowest AQI recorded in
August40AQI
202167AQI
Highest AQI recorded in
November88AQI
Lowest AQI recorded in
September39AQI
202062AQI
Highest AQI recorded in
December83AQI
Lowest AQI recorded in
July41AQI
Most & Least Polluted Years Over the Last 6 Years
Chilgeum Dong's annual 2025 AQI (61) shows an average percentage change of -8.6% (improved AQI) compared to previous years: 2020 (62), 2021 (67), 2022 (75), 2023 (73), 2024 (61).