Janghanghang, Kunsan, 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
Janghanghang, Kunsan, 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 37 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: 20th Sep - 21st Sep 2025
Janghanghang, Kunsan, Jeonbuk, South Korea
6 AM20th Sep 2025
6 PM
5 AM21st Sep 2025
40AQI
16AQI
41AQI
31AQI
In the last 24 hours,
Janghanghang's AQI reached its highest point of 41 at 9 PM during the Night, while the lowest point, 16, was recorded at 12 PM during the Day between 20th Sep and 21st Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Janghanghang, Kunsan, Jeonbuk, South Korea
27°C25/30°C
27°C24/30°C
27°C25/31°C
27°C25/31°C
27°C24/29°C
26°C23/29°C
26°C23/29°C
27°C25/29°C
27°C25/30°C
27°C24/30°C
26°C24/30°C
25°C23/28°C
25°C21/30°C
24°C23/27°C
26°C23/30°C
27°C24/29°C
26°C23/27°C
23°C21/27°C
21°C20/23°C
23°C20/28°C
24°C20/29°C
23°C22/25°C
25°C23/27°C
24°C23/27°C
24°C22/28°C
25°C23/28°C
24°C21/26°C
22°C19/25°C
21°C19/23°C
21°C18/23°C
--°C/°C
47AQI
41AQI
47AQI
43AQI
2025 Days Vs Air Quality
Janghanghang, Kunsan, Jeonbuk, South Korea
25%
66
67%
175
8%
21
0.3%
1
Total number of days with different AQI categories in last 264 days in 2025 (101 days remaining)
Under WHO’s Safe Air Quality Limits: 25%
Health Risk Level:
Very high
In 2025, 25% of 264 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.
Annual Air Quality Insights
Janghanghang, Kunsan, Jeonbuk, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
78AQI
76AQI
66AQI
69AQI
67AQI
88AQI
63AQI
66AQI
52AQI
67AQI
77AQI
82AQI
88AQI
103AQI
65AQI
77AQI
78AQI
94AQI
92AQI
118AQI
136AQI
140AQI
121AQI
111AQI
78AQI
65AQI
77AQI
60AQI
62AQI
66AQI
72AQI
93AQI
104AQI
70AQI
63AQI
61AQI
61AQI
58AQI
53AQI
58AQI
64AQI
75AQI
72AQI
61AQI
81AQI
59AQI
115AQI
62AQI
77AQI
57AQI
62AQI
60AQI
65AQI
60AQI
62AQI
61AQI
79AQI
70AQI
72AQI
85AQI
80AQI
61AQI
48AQI
45AQI
88AQI
99AQI
94AQI
111AQI
101AQI
108AQI
110AQI
90AQI
95AQI
67AQI
78AQI
74AQI
94AQI
96AQI
106AQI
118AQI
130AQI
135AQI
127AQI
168AQI
100AQI
99AQI
72AQI
64AQI
61AQI
72AQI
86AQI
95AQI
105AQI
100AQI
88AQI
80AQI
82AQI
84AQI
80AQI
86AQI
101AQI
70AQI
74AQI
54AQI
68AQI
67AQI
76AQI
83AQI
51AQI
72AQI
63AQI
45AQI
62AQI
72AQI
61AQI
60AQI
50AQI
63AQI
73AQI
66AQI
63AQI
58AQI
54AQI
55AQI
54AQI
56AQI
56AQI
63AQI
47AQI
58AQI
76AQI
75AQI
80AQI
76AQI
57AQI
48AQI
52AQI
64AQI
63AQI
41AQI
42AQI
45AQI
59AQI
54AQI
48AQI
76AQI
70AQI
88AQI
82AQI
90AQI
90AQI
102AQI
101AQI
82AQI
74AQI
63AQI
64AQI
68AQI
57AQI
60AQI
51AQI
63AQI
59AQI
66AQI
55AQI
51AQI
58AQI
60AQI
64AQI
57AQI
46AQI
44AQI
34AQI
49AQI
53AQI
50AQI
65AQI
70AQI
58AQI
46AQI
43AQI
41AQI
52AQI
54AQI
54AQI
50AQI
46AQI
53AQI
69AQI
57AQI
53AQI
55AQI
52AQI
61AQI
59AQI
45AQI
56AQI
44AQI
45AQI
38AQI
48AQI
39AQI
38AQI
46AQI
59AQI
72AQI
58AQI
47AQI
57AQI
62AQI
66AQI
58AQI
57AQI
62AQI
61AQI
54AQI
51AQI
53AQI
49AQI
52AQI
59AQI
53AQI
55AQI
50AQI
45AQI
43AQI
40AQI
39AQI
42AQI
50AQI
46AQI
49AQI
50AQI
48AQI
49AQI
51AQI
47AQI
42AQI
51AQI
52AQI
45AQI
45AQI
48AQI
39AQI
47AQI
51AQI
46AQI
46AQI
38AQI
41AQI
47AQI
44AQI
47AQI
45AQI
45AQI
40AQI
45AQI
46AQI
41AQI
37AQI
47AQI
35AQI
37AQI
82AQI
69AQI
93AQI
74AQI
63AQI
60AQI
53AQI
50AQI
43AQI
No. of days
202566AQI
Highest AQI recorded in
March93AQI
Lowest AQI recorded in
September43AQI
202474AQI
Highest AQI recorded in
January95AQI
Lowest AQI recorded in
July50AQI
202375AQI
Highest AQI recorded in
February101AQI
Lowest AQI recorded in
July46AQI
202272AQI
Highest AQI recorded in
November102AQI
Lowest AQI recorded in
June40AQI
202160AQI
Highest AQI recorded in
April83AQI
Lowest AQI recorded in
September39AQI
Most & Least Polluted Years Over the Last 5 Years
Janghanghang's annual 2025 AQI (66) shows an average percentage change of -5.4% (improved AQI) compared to previous years: 2021 (60), 2022 (72), 2023 (75), 2024 (74).