Oedong Eup, Kyongju, Gyeongbuk, 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
Oedong Eup, Kyongju, Gyeongbuk, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (19th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 39 of Good air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 19th Sep - 20th Sep 2025
Oedong Eup, Kyongju, Gyeongbuk, South Korea
5 AM19th Sep 2025
6 PM
4 AM20th Sep 2025
38AQI
16AQI
39AQI
20AQI
In the last 24 hours,
Oedong Eup's AQI reached its highest point of 39 at 2 AM during the Night, while the lowest point, 16, was recorded at 11 AM during the Day between 19th Sep and 20th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Oedong Eup, Kyongju, Gyeongbuk, South Korea
27°C21/34°C
27°C22/35°C
28°C22/35°C
29°C23/36°C
29°C23/36°C
27°C22/34°C
25°C21/32°C
25°C20/33°C
28°C21/35°C
28°C22/36°C
26°C22/33°C
27°C22/34°C
25°C20/31°C
24°C19/30°C
24°C20/30°C
25°C20/30°C
27°C20/34°C
26°C23/32°C
24°C19/31°C
20°C18/24°C
20°C17/25°C
21°C17/26°C
22°C20/25°C
23°C20/29°C
23°C19/28°C
25°C21/31°C
26°C21/33°C
26°C22/32°C
20°C19/22°C
20°C18/23°C
--°C/°C
44AQI
41AQI
44AQI
43AQI
2025 Days Vs Air Quality
Oedong Eup, Kyongju, Gyeongbuk, South Korea
35%
92
63%
165
2%
5
Total number of days with different AQI categories in last 263 days in 2025 (102 days remaining)
Under WHO’s Safe Air Quality Limits: 35%
Health Risk Level:
High
In 2025, 35% of 263 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
Oedong Eup, Kyongju, Gyeongbuk, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
60AQI
65AQI
51AQI
52AQI
62AQI
92AQI
51AQI
62AQI
40AQI
49AQI
51AQI
64AQI
69AQI
86AQI
52AQI
59AQI
73AQI
75AQI
76AQI
104AQI
126AQI
132AQI
108AQI
93AQI
62AQI
56AQI
58AQI
45AQI
46AQI
57AQI
66AQI
67AQI
62AQI
59AQI
47AQI
43AQI
45AQI
52AQI
40AQI
45AQI
49AQI
62AQI
64AQI
45AQI
71AQI
51AQI
78AQI
43AQI
46AQI
41AQI
47AQI
45AQI
51AQI
52AQI
53AQI
49AQI
75AQI
73AQI
70AQI
74AQI
84AQI
49AQI
50AQI
39AQI
40AQI
49AQI
55AQI
70AQI
63AQI
84AQI
79AQI
63AQI
56AQI
46AQI
50AQI
57AQI
60AQI
75AQI
68AQI
75AQI
69AQI
92AQI
89AQI
113AQI
97AQI
84AQI
80AQI
57AQI
54AQI
66AQI
65AQI
53AQI
54AQI
68AQI
60AQI
61AQI
60AQI
70AQI
74AQI
77AQI
72AQI
74AQI
62AQI
60AQI
47AQI
68AQI
60AQI
76AQI
58AQI
57AQI
49AQI
58AQI
42AQI
70AQI
67AQI
59AQI
57AQI
59AQI
62AQI
66AQI
58AQI
53AQI
54AQI
46AQI
48AQI
51AQI
52AQI
58AQI
45AQI
37AQI
54AQI
57AQI
71AQI
73AQI
65AQI
66AQI
58AQI
59AQI
60AQI
58AQI
49AQI
56AQI
59AQI
41AQI
47AQI
58AQI
63AQI
71AQI
58AQI
53AQI
49AQI
64AQI
85AQI
71AQI
53AQI
55AQI
62AQI
64AQI
72AQI
67AQI
68AQI
56AQI
69AQI
64AQI
56AQI
58AQI
52AQI
57AQI
61AQI
64AQI
50AQI
46AQI
39AQI
46AQI
43AQI
51AQI
52AQI
58AQI
66AQI
59AQI
56AQI
53AQI
52AQI
60AQI
58AQI
58AQI
57AQI
61AQI
61AQI
55AQI
53AQI
54AQI
54AQI
55AQI
48AQI
49AQI
54AQI
52AQI
50AQI
37AQI
51AQI
41AQI
49AQI
61AQI
54AQI
48AQI
44AQI
41AQI
50AQI
50AQI
50AQI
50AQI
53AQI
59AQI
62AQI
54AQI
51AQI
48AQI
49AQI
55AQI
62AQI
46AQI
51AQI
41AQI
38AQI
41AQI
43AQI
42AQI
41AQI
50AQI
49AQI
47AQI
48AQI
52AQI
48AQI
53AQI
50AQI
44AQI
46AQI
49AQI
49AQI
50AQI
51AQI
37AQI
45AQI
44AQI
37AQI
39AQI
37AQI
37AQI
46AQI
38AQI
40AQI
40AQI
40AQI
35AQI
40AQI
44AQI
50AQI
37AQI
32AQI
39AQI
69AQI
54AQI
67AQI
62AQI
56AQI
59AQI
52AQI
49AQI
40AQI
No. of days
202557AQI
Highest AQI recorded in
January69AQI
Lowest AQI recorded in
September40AQI
202454AQI
Highest AQI recorded in
April74AQI
Lowest AQI recorded in
October38AQI
202361AQI
Highest AQI recorded in
March82AQI
Lowest AQI recorded in
August40AQI
202260AQI
Highest AQI recorded in
March74AQI
Lowest AQI recorded in
August34AQI
202158AQI
Highest AQI recorded in
February72AQI
Lowest AQI recorded in
September35AQI
202057AQI
Highest AQI recorded in
December70AQI
Lowest AQI recorded in
July40AQI
Most & Least Polluted Years Over the Last 6 Years
Oedong Eup's annual 2025 AQI (57) shows an average percentage change of -1.08% (improved AQI) compared to previous years: 2020 (57), 2021 (58), 2022 (60), 2023 (61), 2024 (54).