Taeha Ri, Ulchin, Gyeongbuk, 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
Taeha Ri, Ulchin, Gyeongbuk, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (17th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 38 of Good air quality, showing improvement over 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Sep - 18th Sep 2025
Taeha Ri, Ulchin, Gyeongbuk, South Korea
5 AM17th Sep 2025
6 PM
4 AM18th Sep 2025
38AQI
24AQI
38AQI
30AQI
In the last 24 hours,
Taeha Ri's AQI reached its highest point of 38 at 5 AM during the Night, while the lowest point, 24, was recorded at 3 PM during the Day between 17th Sep and 18th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Taeha Ri, Ulchin, Gyeongbuk, South Korea
28°C27/31°C
28°C27/30°C
28°C27/29°C
28°C27/29°C
28°C27/29°C
29°C28/30°C
29°C28/31°C
29°C27/31°C
28°C26/30°C
27°C25/28°C
27°C27/28°C
28°C27/30°C
28°C27/29°C
27°C26/29°C
26°C25/27°C
26°C25/28°C
27°C26/29°C
27°C25/28°C
28°C26/29°C
26°C25/28°C
26°C25/27°C
24°C23/26°C
23°C21/24°C
25°C24/25°C
24°C23/25°C
23°C22/25°C
24°C23/24°C
25°C24/26°C
26°C25/27°C
24°C20/25°C
--°C/°C
42AQI
39AQI
44AQI
41AQI
2025 Days Vs Air Quality
Taeha Ri, Ulchin, Gyeongbuk, South Korea
53%
139
47%
121
Total number of days with different AQI categories in last 261 days in 2025 (104 days remaining)
Under WHO’s Safe Air Quality Limits: 53%
Health Risk Level:
Considerable
In 2025, 53% of 261 days were within WHO’s safe air quality limits, and 47% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Taeha Ri, Ulchin, Gyeongbuk, South Korea
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
55AQI
46AQI
47AQI
41AQI
50AQI
64AQI
51AQI
56AQI
44AQI
41AQI
40AQI
35AQI
51AQI
65AQI
53AQI
52AQI
52AQI
59AQI
49AQI
61AQI
67AQI
94AQI
71AQI
66AQI
58AQI
53AQI
45AQI
57AQI
52AQI
51AQI
77AQI
52AQI
45AQI
58AQI
47AQI
50AQI
47AQI
51AQI
37AQI
43AQI
39AQI
52AQI
44AQI
44AQI
53AQI
43AQI
66AQI
49AQI
51AQI
42AQI
46AQI
40AQI
49AQI
50AQI
51AQI
51AQI
78AQI
61AQI
70AQI
64AQI
70AQI
47AQI
46AQI
41AQI
47AQI
49AQI
50AQI
62AQI
58AQI
71AQI
76AQI
60AQI
54AQI
51AQI
38AQI
54AQI
42AQI
60AQI
60AQI
80AQI
67AQI
66AQI
91AQI
89AQI
84AQI
75AQI
70AQI
56AQI
53AQI
52AQI
51AQI
41AQI
44AQI
48AQI
53AQI
48AQI
57AQI
64AQI
59AQI
63AQI
59AQI
55AQI
57AQI
52AQI
46AQI
55AQI
60AQI
70AQI
62AQI
54AQI
49AQI
49AQI
43AQI
52AQI
72AQI
57AQI
60AQI
58AQI
54AQI
62AQI
57AQI
52AQI
51AQI
53AQI
45AQI
43AQI
38AQI
46AQI
40AQI
36AQI
42AQI
56AQI
66AQI
68AQI
63AQI
61AQI
44AQI
53AQI
58AQI
59AQI
60AQI
54AQI
61AQI
40AQI
40AQI
45AQI
43AQI
46AQI
40AQI
39AQI
40AQI
51AQI
55AQI
55AQI
52AQI
50AQI
57AQI
62AQI
60AQI
59AQI
57AQI
50AQI
51AQI
53AQI
41AQI
37AQI
37AQI
52AQI
55AQI
58AQI
49AQI
44AQI
35AQI
43AQI
42AQI
39AQI
41AQI
45AQI
50AQI
53AQI
54AQI
55AQI
49AQI
52AQI
60AQI
59AQI
59AQI
59AQI
57AQI
55AQI
54AQI
54AQI
50AQI
50AQI
45AQI
50AQI
53AQI
51AQI
46AQI
42AQI
47AQI
45AQI
40AQI
47AQI
45AQI
47AQI
47AQI
38AQI
38AQI
40AQI
39AQI
45AQI
47AQI
50AQI
47AQI
46AQI
46AQI
41AQI
41AQI
37AQI
38AQI
42AQI
38AQI
34AQI
35AQI
38AQI
44AQI
42AQI
40AQI
49AQI
49AQI
48AQI
48AQI
50AQI
47AQI
47AQI
50AQI
43AQI
40AQI
41AQI
41AQI
44AQI
47AQI
43AQI
44AQI
39AQI
33AQI
29AQI
31AQI
35AQI
35AQI
41AQI
37AQI
38AQI
38AQI
40AQI
41AQI
37AQI
46AQI
38AQI
55AQI
50AQI
61AQI
55AQI
50AQI
50AQI
49AQI
44AQI
38AQI
No. of days
202551AQI
Highest AQI recorded in
March61AQI
Lowest AQI recorded in
September38AQI
202452AQI
Highest AQI recorded in
April80AQI
Lowest AQI recorded in
September32AQI
202363AQI
Highest AQI recorded in
March80AQI
Lowest AQI recorded in
August37AQI
202258AQI
Highest AQI recorded in
December70AQI
Lowest AQI recorded in
July38AQI
202146AQI
Highest AQI recorded in
March63AQI
Lowest AQI recorded in
July31AQI
202045AQI
Highest AQI recorded in
April53AQI
Lowest AQI recorded in
July34AQI
Most & Least Polluted Years Over the Last 6 Years
Taeha Ri's annual 2025 AQI (51) shows an average percentage change of -2.5% (improved AQI) compared to previous years: 2020 (45), 2021 (46), 2022 (58), 2023 (63), 2024 (52).