Yeonhyang Dong, Suncheon, Jeonnam, 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
Yeonhyang Dong, Suncheon, Jeonnam, 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 34 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
Yeonhyang Dong, Suncheon, Jeonnam, South Korea
6 AM20th Sep 2025
6 PM
5 AM21st Sep 2025
37AQI
13AQI
38AQI
16AQI
In the last 24 hours,
Yeonhyang Dong's AQI reached its highest point of 38 at 1 AM during the Night, while the lowest point, 13, was recorded at 6 PM during the Day between 20th Sep and 21st Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Yeonhyang Dong, Suncheon, Jeonnam, South Korea
27°C23/34°C
27°C22/34°C
27°C23/33°C
27°C23/33°C
26°C23/31°C
27°C22/33°C
26°C23/30°C
27°C23/33°C
27°C22/34°C
26°C23/31°C
26°C23/30°C
26°C23/32°C
26°C22/31°C
27°C23/32°C
26°C23/29°C
26°C23/30°C
25°C23/30°C
25°C22/29°C
21°C20/24°C
24°C21/28°C
24°C19/28°C
24°C22/28°C
26°C23/29°C
26°C22/31°C
25°C22/31°C
26°C22/30°C
25°C22/29°C
23°C20/27°C
22°C19/25°C
22°C18/26°C
--°C/°C
45AQI
38AQI
45AQI
41AQI
2025 Days Vs Air Quality
Yeonhyang Dong, Suncheon, Jeonnam, South Korea
52%
138
47%
124
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: 52%
Health Risk Level:
Considerable
In 2025, 52% of 264 days were within WHO’s safe air quality limits, and 48% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Yeonhyang Dong, Suncheon, Jeonnam, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
56AQI
56AQI
47AQI
45AQI
61AQI
71AQI
48AQI
54AQI
38AQI
41AQI
42AQI
54AQI
65AQI
80AQI
52AQI
59AQI
67AQI
69AQI
61AQI
88AQI
92AQI
97AQI
91AQI
88AQI
66AQI
53AQI
62AQI
43AQI
47AQI
49AQI
62AQI
44AQI
56AQI
50AQI
42AQI
42AQI
40AQI
44AQI
35AQI
39AQI
48AQI
62AQI
52AQI
45AQI
61AQI
51AQI
79AQI
50AQI
48AQI
41AQI
47AQI
40AQI
46AQI
44AQI
45AQI
42AQI
68AQI
60AQI
58AQI
78AQI
71AQI
51AQI
46AQI
37AQI
52AQI
65AQI
59AQI
76AQI
65AQI
76AQI
66AQI
60AQI
61AQI
53AQI
58AQI
54AQI
62AQI
64AQI
70AQI
70AQI
79AQI
84AQI
79AQI
106AQI
80AQI
80AQI
62AQI
46AQI
41AQI
53AQI
59AQI
62AQI
59AQI
54AQI
51AQI
47AQI
50AQI
59AQI
66AQI
65AQI
70AQI
66AQI
54AQI
47AQI
42AQI
55AQI
58AQI
60AQI
41AQI
45AQI
50AQI
35AQI
41AQI
47AQI
49AQI
40AQI
42AQI
43AQI
53AQI
53AQI
47AQI
42AQI
47AQI
39AQI
45AQI
40AQI
53AQI
53AQI
35AQI
37AQI
57AQI
59AQI
68AQI
64AQI
52AQI
50AQI
36AQI
51AQI
52AQI
38AQI
41AQI
57AQI
49AQI
49AQI
35AQI
61AQI
55AQI
79AQI
68AQI
73AQI
70AQI
78AQI
74AQI
71AQI
47AQI
47AQI
52AQI
48AQI
51AQI
61AQI
61AQI
49AQI
58AQI
60AQI
43AQI
41AQI
44AQI
50AQI
56AQI
53AQI
38AQI
31AQI
17AQI
42AQI
38AQI
41AQI
52AQI
52AQI
47AQI
37AQI
37AQI
35AQI
44AQI
53AQI
53AQI
43AQI
43AQI
56AQI
67AQI
54AQI
53AQI
54AQI
53AQI
60AQI
49AQI
39AQI
51AQI
43AQI
42AQI
34AQI
43AQI
33AQI
35AQI
50AQI
59AQI
44AQI
34AQI
33AQI
41AQI
36AQI
39AQI
49AQI
56AQI
63AQI
58AQI
59AQI
53AQI
55AQI
48AQI
49AQI
46AQI
39AQI
48AQI
43AQI
45AQI
40AQI
40AQI
39AQI
43AQI
53AQI
51AQI
48AQI
51AQI
49AQI
49AQI
49AQI
44AQI
42AQI
50AQI
53AQI
45AQI
44AQI
46AQI
38AQI
42AQI
49AQI
37AQI
39AQI
39AQI
42AQI
47AQI
39AQI
37AQI
42AQI
42AQI
39AQI
37AQI
51AQI
44AQI
39AQI
34AQI
31AQI
34AQI
61AQI
49AQI
65AQI
52AQI
52AQI
49AQI
46AQI
48AQI
40AQI
No. of days
202552AQI
Highest AQI recorded in
March65AQI
Lowest AQI recorded in
September40AQI
202453AQI
Highest AQI recorded in
January66AQI
Lowest AQI recorded in
July33AQI
202356AQI
Highest AQI recorded in
March74AQI
Lowest AQI recorded in
September40AQI
202254AQI
Highest AQI recorded in
November64AQI
Lowest AQI recorded in
August33AQI
202152AQI
Highest AQI recorded in
March67AQI
Lowest AQI recorded in
July37AQI
202048AQI
Highest AQI recorded in
December57AQI
Lowest AQI recorded in
July35AQI
Most & Least Polluted Years Over the Last 6 Years
Yeonhyang Dong's annual 2025 AQI (52) shows an average percentage change of -0.9% (improved AQI) compared to previous years: 2020 (48), 2021 (52), 2022 (54), 2023 (56), 2024 (53).