Seouryeok, Seoul, Seoul, 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
Seouryeok, Seoul, Seoul, South Korea
AQI Trends: Highest and Lowest
Same Day Analysis (6th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 66 of Moderate air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Feb - 6th Feb 2026
Seouryeok, Seoul, Seoul, South Korea
7 AM5th Feb 2026
5 PM
6 AM6th Feb 2026
154AQI
98AQI
162AQI
60AQI
In the last 24 hours,
Seouryeok's AQI reached its highest point of 162 at 9 PM during the Night, while the lowest point, 60, was recorded at 4 AM during the Night between 5th Feb and 6th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Seouryeok, Seoul, Seoul, South Korea
-5°C-8/-3°C
-2°C-5/1°C
1°C-5/4°C
-6°C-8/-5°C
-3°C-8/2°C
-5°C-10/-2°C
-4°C-8/-1°C
3°C0/8°C
3°C0/7°C
1°C-1/4°C
2°C-1/6°C
0°C-8/4°C
-6°C-9/-4°C
-9°C-11/-7°C
-9°C-11/-6°C
-5°C-9/-1°C
-5°C-7/-3°C
-6°C-8/-3°C
-4°C-7/-2°C
-4°C-6/-2°C
-5°C-8/-3°C
-5°C-7/-3°C
-6°C-8/-4°C
-4°C-7/-1°C
-3°C-5/0°C
-2°C-4/-1°C
-2°C-5/2°C
-1°C-3/3°C
0°C-3/4°C
-6°C-8/-4°C
66AQI
58AQI
65AQI
58AQI
2026 Days Vs Air Quality
Seouryeok, Seoul, Seoul, South Korea
38%
14
51%
19
11%
4
Total number of days with different AQI categories in last 38 days in 2026 (327 days remaining)
Under WHO’s Safe Air Quality Limits: 38%
Health Risk Level:
High
In 2026, 38% of 38 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
Seouryeok, Seoul, Seoul, South Korea
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
30AQI (US)
34AQI (US)
67AQI (US)
86AQI (US)
60AQI (US)
57AQI (US)
57AQI (US)
29AQI (US)
54AQI (US)
58AQI (US)
25AQI (US)
43AQI (US)
46AQI (US)
36AQI (US)
83AQI (US)
137AQI (US)
119AQI (US)
77AQI (US)
69AQI (US)
36AQI (US)
41AQI (US)
33AQI (US)
50AQI (US)
51AQI (US)
27AQI (US)
52AQI (US)
57AQI (US)
37AQI (US)
42AQI (US)
68AQI (US)
66AQI (US)
68AQI (US)
72AQI (US)
61AQI (US)
131AQI (US)
144AQI (US)
66AQI (US)
56AQI (US)
90AQI (US)
No. of days
202661AQI (US)
Highest AQI (US) recorded in
February90AQI (US)
Lowest AQI (US) recorded in
January56AQI (US)
202564AQI (US)
Highest AQI (US) recorded in
March90AQI (US)
Lowest AQI (US) recorded in
September44AQI (US)
202464AQI (US)
Highest AQI (US) recorded in
March78AQI (US)
Lowest AQI (US) recorded in
September43AQI (US)
202371AQI (US)
Highest AQI (US) recorded in
March97AQI (US)
Lowest AQI (US) recorded in
September50AQI (US)
202265AQI (US)
Highest AQI (US) recorded in
February80AQI (US)
Lowest AQI (US) recorded in
August36AQI (US)
202167AQI (US)
Highest AQI (US) recorded in
March91AQI (US)
Lowest AQI (US) recorded in
September38AQI (US)
202063AQI (US)
Highest AQI (US) recorded in
April76AQI (US)
Lowest AQI (US) recorded in
September43AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Seouryeok's annual 2026 AQI (US) (61) shows an average percentage change of -6.5% (improved AQI (US)) compared to previous years: 2020 (63), 2021 (67), 2022 (65), 2023 (71), 2024 (64), 2025 (64).