Namwon Eup, Seogwipo, Jeju, 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
Namwon Eup, Seogwipo, Jeju, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (18th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 38 of Good air quality, showing improvement over 2024 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 18th Sep - 19th Sep 2025
Namwon Eup, Seogwipo, Jeju, South Korea
6 AM18th Sep 2025
6 PM
5 AM19th Sep 2025
60AQI
35AQI
55AQI
34AQI
In the last 24 hours,
Namwon Eup's AQI reached its highest point of 60 at 6 PM during the Day, while the lowest point, 34, was recorded at 12 AM during the Night between 18th Sep and 19th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Namwon Eup, Seogwipo, Jeju, South Korea
27°C25/30°C
27°C24/30°C
27°C25/30°C
28°C26/30°C
28°C25/30°C
28°C26/30°C
28°C26/30°C
28°C25/30°C
27°C25/29°C
28°C26/30°C
28°C25/30°C
27°C26/29°C
28°C26/30°C
28°C25/30°C
27°C24/29°C
27°C25/30°C
27°C25/29°C
28°C26/30°C
28°C27/31°C
28°C26/30°C
27°C26/29°C
26°C24/28°C
25°C24/27°C
27°C24/29°C
28°C26/29°C
27°C25/29°C
27°C26/29°C
28°C26/30°C
28°C27/30°C
26°C24/27°C
--°C/°C
42AQI
33AQI
43AQI
36AQI
2025 Days Vs Air Quality
Namwon Eup, Seogwipo, Jeju, South Korea
44%
115
56%
145
0.3%
1
Total number of days with different AQI categories in last 262 days in 2025 (103 days remaining)
Under WHO’s Safe Air Quality Limits: 44%
Health Risk Level:
Significant
In 2025, 44% of 262 days were within WHO’s safe air quality limits, and 56% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Namwon Eup, Seogwipo, Jeju, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
51AQI
73AQI
53AQI
57AQI
58AQI
82AQI
50AQI
69AQI
42AQI
47AQI
43AQI
60AQI
55AQI
82AQI
54AQI
63AQI
56AQI
61AQI
52AQI
101AQI
75AQI
79AQI
85AQI
93AQI
70AQI
71AQI
60AQI
53AQI
51AQI
51AQI
53AQI
44AQI
62AQI
55AQI
46AQI
50AQI
49AQI
53AQI
37AQI
39AQI
43AQI
54AQI
47AQI
46AQI
53AQI
50AQI
74AQI
58AQI
56AQI
50AQI
50AQI
48AQI
62AQI
54AQI
54AQI
52AQI
93AQI
77AQI
65AQI
57AQI
40AQI
47AQI
39AQI
38AQI
55AQI
55AQI
58AQI
77AQI
62AQI
72AQI
66AQI
65AQI
58AQI
44AQI
65AQI
58AQI
70AQI
62AQI
68AQI
91AQI
91AQI
84AQI
87AQI
95AQI
71AQI
75AQI
63AQI
58AQI
50AQI
63AQI
65AQI
65AQI
72AQI
67AQI
65AQI
61AQI
64AQI
74AQI
68AQI
73AQI
74AQI
66AQI
64AQI
60AQI
52AQI
62AQI
63AQI
56AQI
44AQI
43AQI
48AQI
43AQI
43AQI
53AQI
52AQI
44AQI
45AQI
45AQI
60AQI
54AQI
51AQI
49AQI
58AQI
46AQI
50AQI
53AQI
56AQI
55AQI
42AQI
49AQI
62AQI
66AQI
66AQI
66AQI
55AQI
44AQI
45AQI
57AQI
56AQI
38AQI
32AQI
44AQI
50AQI
51AQI
52AQI
56AQI
57AQI
69AQI
63AQI
67AQI
65AQI
65AQI
53AQI
63AQI
60AQI
54AQI
52AQI
57AQI
58AQI
65AQI
62AQI
56AQI
53AQI
47AQI
44AQI
46AQI
46AQI
49AQI
53AQI
47AQI
44AQI
45AQI
43AQI
45AQI
44AQI
49AQI
53AQI
51AQI
44AQI
44AQI
44AQI
48AQI
55AQI
59AQI
54AQI
50AQI
49AQI
47AQI
50AQI
55AQI
59AQI
56AQI
56AQI
51AQI
54AQI
54AQI
54AQI
53AQI
46AQI
49AQI
47AQI
43AQI
45AQI
51AQI
54AQI
49AQI
45AQI
45AQI
45AQI
47AQI
47AQI
48AQI
53AQI
54AQI
51AQI
51AQI
49AQI
53AQI
59AQI
49AQI
56AQI
55AQI
47AQI
46AQI
42AQI
38AQI
38AQI
37AQI
41AQI
47AQI
46AQI
43AQI
41AQI
43AQI
41AQI
36AQI
33AQI
38AQI
43AQI
44AQI
40AQI
43AQI
42AQI
36AQI
39AQI
42AQI
39AQI
36AQI
35AQI
42AQI
34AQI
34AQI
38AQI
41AQI
39AQI
38AQI
33AQI
36AQI
32AQI
33AQI
38AQI
63AQI
54AQI
64AQI
58AQI
54AQI
51AQI
50AQI
45AQI
37AQI
No. of days
202554AQI
Highest AQI recorded in
March64AQI
Lowest AQI recorded in
September37AQI
202451AQI
Highest AQI recorded in
April62AQI
Lowest AQI recorded in
July35AQI
202349AQI
Highest AQI recorded in
March66AQI
Lowest AQI recorded in
July37AQI
202250AQI
Highest AQI recorded in
March61AQI
Lowest AQI recorded in
August38AQI
202147AQI
Highest AQI recorded in
March73AQI
Lowest AQI recorded in
July33AQI
202045AQI
Highest AQI recorded in
June60AQI
Lowest AQI recorded in
July40AQI
Most & Least Polluted Years Over the Last 6 Years
Namwon Eup's annual 2025 AQI (54) shows an average percentage change of 11.2% (worsened AQI) compared to previous years: 2020 (45), 2021 (47), 2022 (50), 2023 (49), 2024 (51).