Sejong Particulate Matter (PM₂.₅) Level
South Korea
See Air Quality ofSejong
MapSejong
Download 2024 Annual Data
World Air Quality Report
South Korea 2019 PM2.5 Death Toll
PM2.5 annual mean levels
27µg/m³
each person's annual mean exposure 5.4 times WHO's guideline.
41
Deaths per 100,000 people
attributable to fine particle pollution in 2019 (21,837 in total in the country).
Death percentage as per diseases
Type 2 Diabetes
chronic obstructive pulmonary disease
tracheal, bronchus, and lung cancer
stroke
ischemic heart disease
lower respiratory infections
neonatal disorders
PM2.5 particles, with a diameter of 2.5 micrometers or less, are approximately 30 times smaller than a human hair, making them a significant yet often unseen threat to air quality.
Most Polluted Cities 2026
South Korea
Analyze the real-time most air polluted cities in the country.
Standard Value
1.
Iksan, Jeonbuk
Good
2xabove Standard
2.
Yoju, Gyeonggi
Good
1xabove Standard
3.
Masan, Gyeongnam
Good
1xabove Standard
4.
Jeonghae, Jeonbuk
Good
1xabove Standard
5.
Gyeongsan, Gyeongbuk
Good
1xabove Standard
6.
Jeonju, Jeonbuk
Good
1xequal Standard
7.
Ichon, Gyeonggi
Good
1xbelow Standard
8.
Kimje, Jeonbuk
Good
1xbelow Standard
9.
Hosan, Chungnam
Good
1xbelow Standard
10.
Wonju, Gangwon
Good
1xbelow Standard
Last Updated: 04 Jun 2026, 06:41 PM
AQI City RankingsUncovering the Sources of Particulate Matter (PM₂.₅): Where Does It Come From?
Windblown Dust
Daily activities like construction or other practices
Home-related emission
Household activities, such as cooking and heating
Factories and industries' emission
Regular operations in factories and industries
Power plants generation
Emission from Routine energy production in power plants
Landfill fires
Fires in landfills, often caused by waste mismanagement
Transportation emission
Diesel operated Daily vehicles produces exhaust
Human-caused emissions
Common practices like open burning of waste or agricultural residuesShort-Term PM₂.₅ Exposure Impacts
Irritation in Eyes
Redness, itching, and discomfort in your eyes
Headaches
Frequent or intense headaches.
Fatigue
Feeling unusually tired or weak.
Aggravated asthma
Increased asthma attacks and symptoms.
Breathing problems
Coughing, wheezing, and shortness of breath.Why you should care about Particulate Matter (PM₂.₅)?
Know More About PM₂.₅ Sensor
