Gongjusi Gongju, Asan, 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
Gongjusi Gongju, Asan, Chungnam, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (29th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 38 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: 30th Sep - 1st Oct 2025
Gongjusi Gongju, Asan, Chungnam, South Korea
6 AM30th Sep 2025
6 PM
5 AM1st Oct 2025
AQI
AQI
59AQI
29AQI
In the last 24 hours,
Gongjusi Gongju's AQI reached its highest point of 59 at 12 PM during the Night, while the lowest point, 29, was recorded at 7 AM during the Night between 30th Sep and 1st Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Gongjusi Gongju, Asan, Chungnam, South Korea
26°C23/32°C
25°C21/30°C
25°C20/32°C
22°C21/23°C
25°C20/31°C
27°C23/32°C
25°C20/29°C
22°C18/28°C
21°C18/23°C
23°C18/28°C
24°C18/30°C
23°C21/25°C
25°C21/29°C
24°C21/29°C
24°C20/30°C
25°C21/29°C
23°C20/25°C
21°C19/25°C
19°C17/20°C
19°C16/23°C
20°C16/25°C
20°C18/25°C
20°C18/25°C
22°C17/26°C
21°C20/22°C
21°C17/27°C
22°C17/27°C
20°C18/21°C
20°C16/24°C
--°C/°C
--°C/°C
44AQI
37AQI
43AQI
35AQI
2025 Days Vs Air Quality
Gongjusi Gongju, Asan, Chungnam, South Korea
39%
106
58%
158
3%
8
Total number of days with different AQI categories in last 273 days in 2025 (92 days remaining)
Under WHO’s Safe Air Quality Limits: 39%
Health Risk Level:
High
In 2025, 39% 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
Gongjusi Gongju, Asan, Chungnam, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
65AQI
60AQI
53AQI
55AQI
65AQI
77AQI
53AQI
64AQI
38AQI
56AQI
58AQI
72AQI
86AQI
82AQI
56AQI
63AQI
77AQI
75AQI
78AQI
102AQI
130AQI
129AQI
114AQI
106AQI
78AQI
54AQI
63AQI
45AQI
55AQI
62AQI
80AQI
91AQI
89AQI
58AQI
50AQI
44AQI
49AQI
46AQI
39AQI
49AQI
53AQI
69AQI
65AQI
46AQI
70AQI
54AQI
98AQI
49AQI
55AQI
45AQI
51AQI
48AQI
55AQI
50AQI
48AQI
52AQI
67AQI
56AQI
64AQI
89AQI
73AQI
53AQI
45AQI
40AQI
63AQI
76AQI
73AQI
84AQI
86AQI
90AQI
86AQI
81AQI
77AQI
47AQI
66AQI
58AQI
72AQI
75AQI
89AQI
89AQI
100AQI
104AQI
101AQI
123AQI
82AQI
85AQI
63AQI
52AQI
51AQI
60AQI
72AQI
77AQI
79AQI
80AQI
69AQI
66AQI
67AQI
72AQI
64AQI
73AQI
81AQI
62AQI
60AQI
44AQI
55AQI
61AQI
64AQI
77AQI
51AQI
62AQI
46AQI
43AQI
41AQI
58AQI
55AQI
49AQI
39AQI
51AQI
59AQI
56AQI
51AQI
49AQI
49AQI
48AQI
47AQI
46AQI
52AQI
64AQI
44AQI
49AQI
64AQI
66AQI
69AQI
70AQI
52AQI
49AQI
45AQI
57AQI
57AQI
40AQI
47AQI
54AQI
55AQI
49AQI
43AQI
59AQI
70AQI
71AQI
77AQI
70AQI
77AQI
81AQI
90AQI
74AQI
58AQI
55AQI
61AQI
65AQI
59AQI
60AQI
59AQI
54AQI
56AQI
64AQI
46AQI
53AQI
58AQI
62AQI
64AQI
64AQI
52AQI
48AQI
41AQI
48AQI
50AQI
41AQI
50AQI
58AQI
58AQI
49AQI
48AQI
46AQI
45AQI
51AQI
51AQI
51AQI
52AQI
55AQI
60AQI
54AQI
50AQI
52AQI
51AQI
58AQI
56AQI
46AQI
52AQI
42AQI
44AQI
34AQI
43AQI
39AQI
37AQI
45AQI
53AQI
54AQI
44AQI
38AQI
54AQI
58AQI
52AQI
51AQI
56AQI
60AQI
60AQI
52AQI
50AQI
48AQI
48AQI
51AQI
54AQI
48AQI
54AQI
47AQI
42AQI
44AQI
41AQI
39AQI
44AQI
52AQI
45AQI
45AQI
46AQI
47AQI
49AQI
53AQI
49AQI
44AQI
50AQI
52AQI
48AQI
46AQI
51AQI
42AQI
48AQI
49AQI
42AQI
39AQI
42AQI
39AQI
47AQI
50AQI
50AQI
50AQI
44AQI
40AQI
44AQI
46AQI
43AQI
35AQI
38AQI
33AQI
28AQI
28AQI
26AQI
26AQI
28AQI
27AQI
49AQI
54AQI
34AQI
38AQI
73AQI
58AQI
75AQI
61AQI
56AQI
58AQI
49AQI
49AQI
40AQI
No. of days
202558AQI
Highest AQI recorded in
March75AQI
Lowest AQI recorded in
September40AQI
202459AQI
Highest AQI recorded in
January79AQI
Lowest AQI recorded in
September40AQI
202372AQI
Highest AQI recorded in
February98AQI
Lowest AQI recorded in
September53AQI
202271AQI
Highest AQI recorded in
February93AQI
Lowest AQI recorded in
August25AQI
202169AQI
Highest AQI recorded in
March96AQI
Lowest AQI recorded in
September38AQI
202062AQI
Highest AQI recorded in
December86AQI
Lowest AQI recorded in
July40AQI
Most & Least Polluted Years Over the Last 6 Years
Gongjusi Gongju's annual 2025 AQI (58) shows an average percentage change of -13.2% (improved AQI) compared to previous years: 2020 (62), 2021 (69), 2022 (71), 2023 (72), 2024 (59).