Gwangyang, 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
Gwangyang, Jeonnam, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (29th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 35 of Good air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 30th Sep - 1st Oct 2025
Gwangyang, Jeonnam, South Korea
6 AM30th Sep 2025
6 PM
5 AM1st Oct 2025
AQI
AQI
67AQI
47AQI
In the last 24 hours,
Gwangyang's AQI reached its highest point of 67 at 3 PM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 30th Sep and 1st Oct 2025.
Day & Night AQI Trend : Sep - Oct 2025
Gwangyang, Jeonnam, South Korea
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
21°C16/27°C
21°C17/26°C
21°C18/26°C
23°C20/27°C
22°C21/23°C
24°C21/29°C
23°C21/27°C
22°C20/26°C
21°C18/26°C
--°C/°C
--°C/°C
40AQI
36AQI
40AQI
40AQI
2025 Days Vs Air Quality
Gwangyang, Jeonnam, South Korea
47%
127
52%
141
1%
4
Total number of days with different AQI categories in last 273 days in 2025 (92 days remaining)
Under WHO’s Safe Air Quality Limits: 47%
Health Risk Level:
Significant
In 2025, 47% of 273 days were within WHO’s safe air quality limits, and 53% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Gwangyang, Jeonnam, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
56AQI
62AQI
46AQI
46AQI
65AQI
77AQI
46AQI
52AQI
38AQI
42AQI
44AQI
54AQI
65AQI
81AQI
52AQI
58AQI
74AQI
78AQI
66AQI
93AQI
101AQI
106AQI
121AQI
89AQI
69AQI
51AQI
59AQI
44AQI
46AQI
49AQI
58AQI
43AQI
56AQI
46AQI
42AQI
42AQI
39AQI
44AQI
35AQI
40AQI
45AQI
59AQI
50AQI
43AQI
66AQI
48AQI
80AQI
46AQI
50AQI
41AQI
46AQI
41AQI
45AQI
43AQI
45AQI
46AQI
70AQI
61AQI
65AQI
72AQI
59AQI
48AQI
42AQI
36AQI
45AQI
62AQI
56AQI
70AQI
63AQI
77AQI
68AQI
58AQI
57AQI
40AQI
52AQI
55AQI
66AQI
72AQI
74AQI
74AQI
87AQI
94AQI
86AQI
114AQI
89AQI
84AQI
69AQI
53AQI
48AQI
60AQI
62AQI
67AQI
61AQI
63AQI
56AQI
54AQI
58AQI
62AQI
73AQI
71AQI
83AQI
66AQI
61AQI
51AQI
46AQI
60AQI
63AQI
65AQI
47AQI
56AQI
53AQI
36AQI
49AQI
51AQI
65AQI
48AQI
53AQI
51AQI
60AQI
63AQI
51AQI
47AQI
51AQI
44AQI
47AQI
46AQI
62AQI
56AQI
39AQI
40AQI
59AQI
60AQI
72AQI
68AQI
59AQI
50AQI
46AQI
59AQI
58AQI
44AQI
41AQI
63AQI
53AQI
48AQI
40AQI
64AQI
63AQI
76AQI
69AQI
74AQI
73AQI
86AQI
77AQI
72AQI
53AQI
57AQI
56AQI
58AQI
61AQI
63AQI
67AQI
57AQI
60AQI
58AQI
41AQI
50AQI
48AQI
52AQI
58AQI
59AQI
47AQI
40AQI
31AQI
47AQI
44AQI
43AQI
54AQI
58AQI
55AQI
47AQI
48AQI
45AQI
53AQI
59AQI
59AQI
50AQI
49AQI
60AQI
65AQI
54AQI
54AQI
56AQI
57AQI
59AQI
52AQI
46AQI
54AQI
51AQI
47AQI
41AQI
48AQI
40AQI
48AQI
57AQI
63AQI
49AQI
42AQI
39AQI
47AQI
44AQI
44AQI
51AQI
56AQI
62AQI
56AQI
57AQI
53AQI
54AQI
50AQI
52AQI
47AQI
40AQI
47AQI
41AQI
45AQI
42AQI
41AQI
40AQI
42AQI
52AQI
51AQI
48AQI
50AQI
51AQI
49AQI
48AQI
44AQI
42AQI
50AQI
53AQI
46AQI
44AQI
47AQI
39AQI
41AQI
49AQI
44AQI
40AQI
39AQI
41AQI
46AQI
39AQI
38AQI
42AQI
42AQI
39AQI
37AQI
47AQI
46AQI
38AQI
37AQI
34AQI
30AQI
29AQI
28AQI
31AQI
40AQI
28AQI
33AQI
51AQI
30AQI
35AQI
64AQI
49AQI
65AQI
58AQI
56AQI
55AQI
51AQI
48AQI
38AQI
No. of days
202554AQI
Highest AQI recorded in
March65AQI
Lowest AQI recorded in
September38AQI
202453AQI
Highest AQI recorded in
April69AQI
Lowest AQI recorded in
July38AQI
202357AQI
Highest AQI recorded in
March78AQI
Lowest AQI recorded in
September42AQI
202258AQI
Highest AQI recorded in
March67AQI
Lowest AQI recorded in
August29AQI
202156AQI
Highest AQI recorded in
March71AQI
Lowest AQI recorded in
September41AQI
202050AQI
Highest AQI recorded in
December59AQI
Lowest AQI recorded in
September39AQI
Most & Least Polluted Years Over the Last 6 Years
Gwangyang's annual 2025 AQI (54) shows an average percentage change of -1.1% (improved AQI) compared to previous years: 2020 (50), 2021 (56), 2022 (58), 2023 (57), 2024 (53).