Tangjin, Chungnam, South Korea Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
March Air Quality Analysis
Tangjin, Chungnam, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (13th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 68 of Moderate air quality, showing improvement over 2025 and 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 12th Mar - 13th Mar 2026
Tangjin, Chungnam, South Korea
7 AM12th Mar 2026
6 PM
6 AM13th Mar 2026
155AQI
62AQI
139AQI
58AQI
In the last 24 hours,
Tangjin's AQI reached its highest point of 155 at 2 PM during the Day, while the lowest point, 58, was recorded at 5 AM during the Night between 12th Mar and 13th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Tangjin, Chungnam, South Korea
2°C-2/7°C
4°C0/11°C
6°C2/11°C
5°C1/9°C
1°C-2/5°C
1°C-2/5°C
2°C-1/5°C
1°C-2/6°C
5°C-1/12°C
8°C2/15°C
7°C2/10°C
1°C-1/4°C
3°C1/6°C
4°C-2/11°C
6°C1/11°C
8°C4/12°C
8°C3/14°C
8°C4/12°C
5°C4/6°C
6°C3/11°C
5°C2/8°C
6°C1/11°C
2°C0/5°C
1°C-2/3°C
2°C-1/6°C
3°C0/6°C
3°C0/7°C
4°C0/9°C
6°C2/12°C
6°C2/11°C
79AQI
68AQI
69AQI
69AQI
2026 Days Vs Air Quality
Tangjin, Chungnam, South Korea
32%
23
50%
36
17%
12
1%
1
Total number of days with different AQI categories in last 73 days in 2026 (292 days remaining)
Under WHO’s Safe Air Quality Limits: 32%
Health Risk Level:
High
In 2026, 32% of 73 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.
Annual Air Quality Insights
Tangjin, Chungnam, South Korea
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
30AQI (US)
46AQI (US)
56AQI (US)
89AQI (US)
63AQI (US)
55AQI (US)
58AQI (US)
33AQI (US)
43AQI (US)
65AQI (US)
34AQI (US)
43AQI (US)
52AQI (US)
42AQI (US)
106AQI (US)
133AQI (US)
116AQI (US)
107AQI (US)
68AQI (US)
36AQI (US)
43AQI (US)
43AQI (US)
58AQI (US)
54AQI (US)
30AQI (US)
55AQI (US)
60AQI (US)
38AQI (US)
52AQI (US)
55AQI (US)
66AQI (US)
78AQI (US)
72AQI (US)
63AQI (US)
102AQI (US)
126AQI (US)
66AQI (US)
40AQI (US)
51AQI (US)
48AQI (US)
87AQI (US)
107AQI (US)
109AQI (US)
133AQI (US)
151AQI (US)
117AQI (US)
49AQI (US)
51AQI (US)
61AQI (US)
41AQI (US)
88AQI (US)
92AQI (US)
53AQI (US)
30AQI (US)
47AQI (US)
72AQI (US)
48AQI (US)
47AQI (US)
62AQI (US)
50AQI (US)
22AQI (US)
36AQI (US)
59AQI (US)
104AQI (US)
66AQI (US)
55AQI (US)
57AQI (US)
94AQI (US)
84AQI (US)
96AQI (US)
110AQI (US)
68AQI (US)
59AQI (US)
75AQI (US)
69AQI (US)
No. of days
202667AQI (US)
Highest AQI (US) recorded in
February75AQI (US)
Lowest AQI (US) recorded in
January59AQI (US)
202566AQI (US)
Highest AQI (US) recorded in
March91AQI (US)
Lowest AQI (US) recorded in
September44AQI (US)
202470AQI (US)
Highest AQI (US) recorded in
April89AQI (US)
Lowest AQI (US) recorded in
September48AQI (US)
202374AQI (US)
Highest AQI (US) recorded in
February105AQI (US)
Lowest AQI (US) recorded in
September53AQI (US)
202276AQI (US)
Highest AQI (US) recorded in
February95AQI (US)
Lowest AQI (US) recorded in
August41AQI (US)
202176AQI (US)
Highest AQI (US) recorded in
March114AQI (US)
Lowest AQI (US) recorded in
September41AQI (US)
202069AQI (US)
Highest AQI (US) recorded in
November83AQI (US)
Lowest AQI (US) recorded in
September52AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Tangjin's annual 2026 AQI (US) (67) shows an average percentage change of -6.7% (improved AQI (US)) compared to previous years: 2020 (69), 2021 (76), 2022 (76), 2023 (74), 2024 (70), 2025 (66).