Yeosu, Yeosu, Jeonnam, South Korea Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
February Air Quality Analysis
Yeosu, Yeosu, Jeonnam, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (8th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 35 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 7th Feb - 8th Feb 2026
Yeosu, Yeosu, Jeonnam, South Korea
7 AM7th Feb 2026
5 PM
6 AM8th Feb 2026
33AQI
21AQI
42AQI
17AQI
In the last 24 hours,
Yeosu's AQI reached its highest point of 42 at 1 AM during the Night, while the lowest point, 17, was recorded at 11 PM during the Night between 7th Feb and 8th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Yeosu, Yeosu, Jeonnam, South Korea
7°C0/10°C
-1°C-2/1°C
3°C-2/7°C
4°C-1/7°C
3°C-1/7°C
11°C7/15°C
8°C6/12°C
8°C5/10°C
8°C6/10°C
6°C-1/9°C
0°C-2/3°C
-2°C-4/0°C
-2°C-5/1°C
1°C-2/5°C
1°C-1/4°C
0°C-2/3°C
2°C-2/6°C
2°C-1/5°C
0°C-2/5°C
0°C-2/5°C
0°C-2/3°C
1°C-2/6°C
2°C-1/5°C
1°C-1/4°C
2°C-2/8°C
5°C1/10°C
8°C5/12°C
4°C1/7°C
-2°C-4/1°C
-3°C-5/0°C
51AQI
45AQI
44AQI
33AQI
2026 Days Vs Air Quality
Yeosu, Yeosu, Jeonnam, South Korea
72%
28
28%
11
Total number of days with different AQI categories in last 40 days in 2026 (325 days remaining)
Under WHO’s Safe Air Quality Limits: 72%
Health Risk Level:
Low
In 2026, 72% of 40 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Yeosu, Yeosu, Jeonnam, South Korea
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
19AQI (US)
33AQI (US)
32AQI (US)
67AQI (US)
52AQI (US)
20AQI (US)
52AQI (US)
17AQI (US)
22AQI (US)
44AQI (US)
22AQI (US)
29AQI (US)
45AQI (US)
32AQI (US)
48AQI (US)
85AQI (US)
84AQI (US)
82AQI (US)
50AQI (US)
22AQI (US)
24AQI (US)
24AQI (US)
47AQI (US)
43AQI (US)
19AQI (US)
27AQI (US)
34AQI (US)
25AQI (US)
56AQI (US)
16AQI (US)
30AQI (US)
63AQI (US)
40AQI (US)
33AQI (US)
74AQI (US)
58AQI (US)
60AQI (US)
26AQI (US)
35AQI (US)
39AQI (US)
49AQI (US)
No. of days
202641AQI (US)
Highest AQI (US) recorded in
February49AQI (US)
Lowest AQI (US) recorded in
January39AQI (US)
202553AQI (US)
Highest AQI (US) recorded in
January67AQI (US)
Lowest AQI (US) recorded in
September40AQI (US)
202449AQI (US)
Highest AQI (US) recorded in
April62AQI (US)
Lowest AQI (US) recorded in
July29AQI (US)
202353AQI (US)
Highest AQI (US) recorded in
March71AQI (US)
Lowest AQI (US) recorded in
September41AQI (US)
202255AQI (US)
Highest AQI (US) recorded in
February67AQI (US)
Lowest AQI (US) recorded in
August30AQI (US)
202150AQI (US)
Highest AQI (US) recorded in
March62AQI (US)
Lowest AQI (US) recorded in
September36AQI (US)
202045AQI (US)
Highest AQI (US) recorded in
August51AQI (US)
Lowest AQI (US) recorded in
July32AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Yeosu's annual 2026 AQI (US) (41) shows an average percentage change of -19.5% (improved AQI (US)) compared to previous years: 2020 (45), 2021 (50), 2022 (55), 2023 (53), 2024 (49), 2025 (53).