Jeonju Si, Kimje, Jeonbuk, 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
Jeonju Si, Kimje, Jeonbuk, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (20th 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: 21st Sep - 22nd Sep 2025
Jeonju Si, Kimje, Jeonbuk, South Korea
6 AM21st Sep 2025
6 PM
5 AM22nd Sep 2025
AQI
AQI
52AQI
26AQI
In the last 24 hours,
Jeonju Si's AQI reached its highest point of 52 at 11 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 21st Sep and 22nd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Jeonju Si, Kimje, Jeonbuk, South Korea
27°C23/32°C
28°C24/33°C
27°C24/32°C
26°C23/30°C
26°C22/31°C
26°C22/31°C
27°C24/31°C
27°C23/32°C
27°C23/32°C
26°C23/32°C
24°C22/28°C
25°C20/32°C
24°C22/28°C
26°C22/31°C
27°C23/31°C
25°C22/28°C
23°C20/27°C
21°C19/22°C
23°C19/29°C
24°C19/30°C
23°C22/26°C
24°C22/28°C
24°C21/28°C
24°C20/28°C
25°C22/30°C
24°C21/27°C
22°C19/26°C
21°C19/24°C
20°C18/23°C
--°C/°C
--°C/°C
50AQI
44AQI
47AQI
44AQI
2025 Days Vs Air Quality
Jeonju Si, Kimje, Jeonbuk, South Korea
34%
90
62%
164
3%
9
Total number of days with different AQI categories in last 264 days in 2025 (101 days remaining)
Under WHO’s Safe Air Quality Limits: 34%
Health Risk Level:
High
In 2025, 34% of 264 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
Jeonju Si, Kimje, Jeonbuk, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
64AQI
73AQI
62AQI
61AQI
60AQI
84AQI
52AQI
62AQI
40AQI
57AQI
62AQI
70AQI
76AQI
92AQI
54AQI
66AQI
71AQI
88AQI
74AQI
107AQI
129AQI
125AQI
119AQI
103AQI
83AQI
57AQI
67AQI
47AQI
50AQI
58AQI
55AQI
77AQI
86AQI
54AQI
50AQI
48AQI
49AQI
44AQI
42AQI
50AQI
58AQI
67AQI
61AQI
53AQI
69AQI
56AQI
99AQI
54AQI
61AQI
46AQI
53AQI
50AQI
57AQI
52AQI
53AQI
50AQI
70AQI
63AQI
63AQI
85AQI
69AQI
52AQI
45AQI
38AQI
71AQI
77AQI
81AQI
98AQI
87AQI
95AQI
82AQI
77AQI
83AQI
49AQI
69AQI
62AQI
82AQI
84AQI
91AQI
99AQI
109AQI
118AQI
107AQI
136AQI
88AQI
90AQI
61AQI
48AQI
49AQI
61AQI
74AQI
74AQI
87AQI
80AQI
69AQI
65AQI
65AQI
75AQI
67AQI
77AQI
81AQI
60AQI
61AQI
45AQI
57AQI
60AQI
64AQI
74AQI
49AQI
62AQI
56AQI
39AQI
58AQI
57AQI
58AQI
47AQI
41AQI
55AQI
60AQI
57AQI
50AQI
48AQI
49AQI
43AQI
46AQI
49AQI
48AQI
58AQI
42AQI
50AQI
64AQI
65AQI
70AQI
68AQI
47AQI
40AQI
39AQI
58AQI
52AQI
34AQI
35AQI
41AQI
55AQI
47AQI
44AQI
61AQI
67AQI
71AQI
76AQI
82AQI
82AQI
86AQI
90AQI
75AQI
60AQI
52AQI
58AQI
62AQI
58AQI
59AQI
55AQI
56AQI
63AQI
64AQI
51AQI
57AQI
63AQI
64AQI
68AQI
64AQI
50AQI
47AQI
39AQI
48AQI
51AQI
43AQI
63AQI
61AQI
56AQI
47AQI
46AQI
45AQI
50AQI
57AQI
55AQI
51AQI
51AQI
55AQI
62AQI
55AQI
56AQI
57AQI
56AQI
62AQI
59AQI
49AQI
57AQI
49AQI
50AQI
42AQI
49AQI
44AQI
42AQI
49AQI
54AQI
59AQI
54AQI
49AQI
55AQI
57AQI
55AQI
56AQI
56AQI
62AQI
63AQI
54AQI
55AQI
52AQI
53AQI
53AQI
56AQI
53AQI
56AQI
46AQI
45AQI
47AQI
46AQI
44AQI
46AQI
52AQI
51AQI
49AQI
48AQI
50AQI
48AQI
55AQI
53AQI
50AQI
50AQI
52AQI
49AQI
51AQI
52AQI
43AQI
48AQI
49AQI
46AQI
49AQI
44AQI
41AQI
48AQI
47AQI
48AQI
48AQI
40AQI
39AQI
42AQI
44AQI
40AQI
40AQI
50AQI
45AQI
38AQI
73AQI
58AQI
79AQI
62AQI
54AQI
59AQI
53AQI
52AQI
44AQI
No. of days
202560AQI
Highest AQI recorded in
March79AQI
Lowest AQI recorded in
September44AQI
202462AQI
Highest AQI recorded in
January77AQI
Lowest AQI recorded in
July37AQI
202368AQI
Highest AQI recorded in
February100AQI
Lowest AQI recorded in
July48AQI
202277AQI
Highest AQI recorded in
February99AQI
Lowest AQI recorded in
June50AQI
202175AQI
Highest AQI recorded in
March113AQI
Lowest AQI recorded in
September45AQI
202070AQI
Highest AQI recorded in
December88AQI
Lowest AQI recorded in
July48AQI
Most & Least Polluted Years Over the Last 6 Years
Jeonju Si's annual 2025 AQI (60) shows an average percentage change of -14.3% (improved AQI) compared to previous years: 2020 (70), 2021 (75), 2022 (77), 2023 (68), 2024 (62).