Yeosuhang, Yeosu, 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
Yeosuhang, Yeosu, Jeonnam, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (28th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 57 of Moderate air quality, showing improvement over 2024 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 28th Sep - 29th Sep 2025
Yeosuhang, Yeosu, Jeonnam, South Korea
6 AM28th Sep 2025
6 PM
5 AM29th Sep 2025
AQI
AQI
64AQI
19AQI
In the last 24 hours,
Yeosuhang's AQI reached its highest point of 64 at 7 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 28th Sep and 29th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Yeosuhang, Yeosu, Jeonnam, South Korea
27°C25/30°C
27°C26/28°C
27°C25/29°C
27°C25/30°C
26°C24/28°C
27°C25/29°C
27°C25/28°C
27°C26/29°C
27°C26/30°C
26°C25/28°C
23°C21/23°C
24°C22/25°C
25°C23/27°C
24°C24/26°C
26°C25/29°C
25°C24/27°C
26°C24/28°C
26°C24/29°C
26°C25/28°C
24°C22/25°C
23°C21/24°C
23°C20/27°C
22°C20/24°C
22°C20/25°C
22°C20/24°C
23°C22/26°C
23°C22/23°C
24°C23/26°C
23°C22/25°C
--°C/°C
--°C/°C
47AQI
44AQI
43AQI
43AQI
2025 Days Vs Air Quality
Yeosuhang, Yeosu, Jeonnam, South Korea
40%
109
58%
157
2%
5
Total number of days with different AQI categories in last 271 days in 2025 (94 days remaining)
Under WHO’s Safe Air Quality Limits: 40%
Health Risk Level:
Significant
In 2025, 40% of 271 days were within WHO’s safe air quality limits, and 60% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Yeosuhang, Yeosu, Jeonnam, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
55AQI
65AQI
49AQI
48AQI
65AQI
81AQI
45AQI
55AQI
39AQI
45AQI
45AQI
60AQI
64AQI
86AQI
56AQI
61AQI
71AQI
85AQI
63AQI
100AQI
107AQI
106AQI
130AQI
88AQI
72AQI
57AQI
64AQI
47AQI
48AQI
51AQI
62AQI
46AQI
68AQI
50AQI
48AQI
45AQI
43AQI
45AQI
39AQI
42AQI
49AQI
62AQI
53AQI
44AQI
66AQI
50AQI
82AQI
48AQI
55AQI
45AQI
50AQI
46AQI
48AQI
50AQI
50AQI
48AQI
79AQI
60AQI
81AQI
86AQI
65AQI
52AQI
44AQI
42AQI
51AQI
61AQI
55AQI
71AQI
59AQI
75AQI
65AQI
56AQI
52AQI
36AQI
53AQI
54AQI
67AQI
73AQI
72AQI
83AQI
94AQI
101AQI
91AQI
112AQI
86AQI
76AQI
69AQI
52AQI
50AQI
59AQI
63AQI
69AQI
60AQI
59AQI
57AQI
55AQI
59AQI
67AQI
74AQI
73AQI
90AQI
69AQI
65AQI
53AQI
52AQI
62AQI
63AQI
63AQI
46AQI
51AQI
52AQI
36AQI
47AQI
54AQI
61AQI
47AQI
51AQI
54AQI
58AQI
62AQI
51AQI
47AQI
51AQI
45AQI
51AQI
50AQI
72AQI
60AQI
44AQI
44AQI
61AQI
64AQI
72AQI
68AQI
59AQI
50AQI
45AQI
58AQI
58AQI
45AQI
39AQI
62AQI
55AQI
50AQI
48AQI
57AQI
63AQI
69AQI
64AQI
67AQI
72AQI
87AQI
78AQI
75AQI
54AQI
57AQI
55AQI
53AQI
60AQI
58AQI
59AQI
54AQI
54AQI
55AQI
35AQI
43AQI
47AQI
51AQI
61AQI
47AQI
40AQI
35AQI
24AQI
51AQI
44AQI
50AQI
59AQI
57AQI
50AQI
44AQI
43AQI
45AQI
59AQI
60AQI
61AQI
51AQI
47AQI
61AQI
67AQI
57AQI
57AQI
57AQI
59AQI
57AQI
55AQI
44AQI
55AQI
51AQI
45AQI
44AQI
50AQI
42AQI
50AQI
64AQI
64AQI
50AQI
45AQI
42AQI
49AQI
48AQI
52AQI
55AQI
55AQI
60AQI
57AQI
57AQI
52AQI
55AQI
51AQI
54AQI
45AQI
39AQI
49AQI
44AQI
49AQI
48AQI
45AQI
46AQI
46AQI
54AQI
52AQI
49AQI
52AQI
54AQI
51AQI
52AQI
51AQI
47AQI
53AQI
53AQI
50AQI
49AQI
52AQI
43AQI
46AQI
50AQI
46AQI
50AQI
43AQI
44AQI
47AQI
42AQI
44AQI
46AQI
42AQI
41AQI
41AQI
52AQI
47AQI
43AQI
42AQI
43AQI
35AQI
36AQI
38AQI
41AQI
46AQI
36AQI
37AQI
57AQI
57AQI
67AQI
53AQI
67AQI
59AQI
56AQI
53AQI
53AQI
51AQI
44AQI
No. of days
202556AQI
Highest AQI recorded in
January67AQI
Lowest AQI recorded in
September44AQI
202462AQI
Highest AQI recorded in
March77AQI
Lowest AQI recorded in
July35AQI
202367AQI
Highest AQI recorded in
March92AQI
Lowest AQI recorded in
July48AQI
202269AQI
Highest AQI recorded in
November88AQI
Lowest AQI recorded in
June45AQI
202159AQI
Highest AQI recorded in
April89AQI
Lowest AQI recorded in
July43AQI
Most & Least Polluted Years Over the Last 5 Years
Yeosuhang's annual 2025 AQI (56) shows an average percentage change of -12.6% (improved AQI) compared to previous years: 2021 (59), 2022 (69), 2023 (67), 2024 (62).