Dangjin, Chungcheongnam-do, 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
Dangjin, Chungcheongnam-do, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (17th September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 42 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 18th Sep - 19th Sep 2025
Dangjin, Chungcheongnam-do, South Korea
6 AM18th Sep 2025
7 PM
5 AM19th Sep 2025
AQI
AQI
50AQI
28AQI
In the last 24 hours,
Dangjin's AQI reached its highest point of 50 at 11 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 18th Sep and 19th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Dangjin, Chungcheongnam-do, South Korea
27°C25/29°C
27°C25/28°C
27°C25/28°C
27°C25/28°C
27°C25/29°C
27°C25/29°C
26°C25/27°C
25°C24/27°C
26°C23/28°C
27°C26/28°C
27°C26/28°C
27°C25/29°C
26°C25/27°C
25°C24/26°C
25°C23/28°C
24°C23/25°C
26°C24/28°C
27°C25/29°C
25°C24/26°C
24°C23/25°C
24°C22/25°C
24°C22/26°C
25°C22/28°C
23°C21/24°C
24°C21/26°C
24°C23/25°C
24°C23/27°C
25°C24/27°C
23°C22/25°C
--°C/°C
--°C/°C
49AQI
44AQI
49AQI
48AQI
2025 Days Vs Air Quality
Dangjin, Chungcheongnam-do, South Korea
41%
46
59%
66
Total number of days with different AQI categories in last 261 days in 2025 (104 days remaining)
Under WHO’s Safe Air Quality Limits: 41%
Health Risk Level:
Significant
In 2025, 41% of 261 days were within WHO’s safe air quality limits, and 59% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Dangjin, Chungcheongnam-do, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
82AQI
89AQI
97AQI
90AQI
98AQI
73AQI
59AQI
57AQI
58AQI
69AQI
61AQI
63AQI
58AQI
58AQI
65AQI
68AQI
65AQI
59AQI
63AQI
62AQI
63AQI
65AQI
50AQI
52AQI
52AQI
62AQI
60AQI
50AQI
52AQI
64AQI
59AQI
50AQI
48AQI
45AQI
48AQI
56AQI
52AQI
49AQI
51AQI
60AQI
65AQI
57AQI
55AQI
54AQI
53AQI
63AQI
59AQI
45AQI
53AQI
44AQI
48AQI
41AQI
46AQI
45AQI
43AQI
49AQI
52AQI
65AQI
60AQI
53AQI
62AQI
68AQI
69AQI
62AQI
58AQI
61AQI
61AQI
52AQI
51AQI
49AQI
49AQI
54AQI
55AQI
55AQI
57AQI
52AQI
42AQI
43AQI
41AQI
38AQI
42AQI
52AQI
47AQI
47AQI
48AQI
47AQI
50AQI
53AQI
49AQI
44AQI
50AQI
52AQI
48AQI
46AQI
47AQI
43AQI
49AQI
52AQI
46AQI
46AQI
39AQI
41AQI
47AQI
52AQI
52AQI
52AQI
50AQI
44AQI
44AQI
49AQI
46AQI
42AQI
89AQI
62AQI
54AQI
50AQI
47AQI
No. of days
202555AQI
Highest AQI recorded in
May89AQI
Lowest AQI recorded in
September47AQI
Most & Least Polluted Years Over the Last 1 Years
Dangjin's annual 2025 AQI (55) shows an average percentage change of NaN% (improved AQI) compared to previous years: .