AQI PM2.5 PM10 CO SO2 NO2 O3

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Seoul Air Quality Index (AQI) | Air Pollution

Real-time PM2.5, PM10 air pollution level in South Korea

Last Updated: 3 minutes ago (Local Time)

Live AQI

Air Quality is

Moderate

pm10 : 50 µg/m³

PM2.5 : 31 µg/m³

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

18 °C

Last Updated: 3 minutes ago (Local Time)

Map

Seoul

Major Air Pollutants
Seoul

Particulate Matter(PM2.5)

31µg/m³

Particulate Matter(PM10)

50µg/m³

Carbon Monoxide(CO)

428ppb

Sulfur Dioxide(SO2)

3ppb

Nitrogen Dioxide(NO2)

18ppb

Ozone(O3)

49ppb

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AQI Graph

Historical Air Quality Data
Seoul

24 Hours

AQI

Seoul

Want air quality data?

Seoul's Cities
Real-time Air Pollution Level

Location

Status

AQI

PM2.5(µg/m³)

PM10(µg/m³)

Temp.(°C)

Humi.(%)

Seoul

Moderate

South Korea's Metro Cities
Air Quality Index

Busan

Daegu

Daejeon

Gwangju

Incheon

Sejong

113

Seoul

Ulsan

Health Advice For People Living In
Seoul

1.5Cigarettes per day

Breathing the air in this location is as harmful as smoking 1.5 cigarettes a day.

Source:

Berkeley Earth

Solutions for Current AQI

Air PurifierTurn On
Car FilterMust
N95 MaskMust
Stay IndoorMust

Must turn on the air purifier to enjoy fresh air.

Prevent Health Problems: Understand Your Risks

Seoul

Asthma
Heart Issues
Allergies
Sinus
Cold/Flu
Chronic (COPD)

Mid. Chances of Asthma

Asthma

Risk of Asthma symptoms is Mid. when AQI is Moderate (50-150)

Moderate symptoms including frequent wheezing, noticeable shortness of breath, chest tightness, and persistent cough.

Do's :

Limit outdoor activities when AQI is poor.
Clean indoor air with an air purifier to reduce exposure.
Soothe the respiratory tract with herbal teas or warm water to help alleviate symptoms.

Don'ts :

Exercise outdoors without a mask.
Stay in smoky areas with strong fumes.

Most Polluted Cities 2025
South Korea

Analyze the real-time most air polluted cities in the country.

Most Polluted Cities Live Ranking 2025

World's Most PollutedCity Rankings (2024)

World's Most PollutedCountry Rankings(2024)

RankCityAQIAQI Status

Standard Value

Cheongju, South Korea

Anyang, South Korea

Sejong, South Korea

Kunsan, South Korea

Kunpo, South Korea

Pyeongtaek, South Korea

Anseong, South Korea

Goyang, South Korea

Uijeongbu, South Korea

Poor

7xabove Standard

10.

Osan, South Korea

Poor

7xabove Standard

Last Updated: 02 Jun 2025, 04:38 PM

AQI City Rankings

Air Quality Solutions For Seoul
Explore the solutions of air quality monitoring & clean air.

Here are some applications that you can go through to find out the solutions.

Air Quality Monitor

Monitor the air quality

Air Quality Sensors

Sensors to measure the air quality

Fresh Air Machine

Clean the air you breathe

Car Cabin Filter

Purify the air in your car

N95 Mask

Shield yourself from pollution

air quality solutions for offices for Seoul

Air Quality Solution For Offices

A complete solution for air quality monitoring, data analysis, and fresh air solutions in workplaces prioritizing employee's health and productivity.

Air Quality Solutions For Smart City

Prana Air smart city project provides air quality monitors, drones, outdoor air purifiers, and data dashboards solution to improve air quality.

air quality solutions for institutes for Seoul

Air Quality Solutions for Schools | Institutes

Prana Air provides the air quality solutions for schools by air monitoring & fresh air machine that help the students to breather clean air.

Air Quality Solutions For Hotels

Prana Air air quality solutions are suited for hotel businesses. The occupancy of hotels is the main reasons for bad air quality.

Air Quality Solutions for Restaurants

Prana Air has the air quality solutions for restaurant, cafes, and gives you the power to know what your customers and staff breathe.

Air Quality Solutions for RMC Plants

Prana Air provides air quality monitoring solutions for RMC plants. Improve compliance, protect workers and community, and reduce emissions.

Air Quality Solutions for Fitness Center

Prana Air provides the air quality solutions of pollution monitoring and fresh air for fitness center - gym.

Air Quality Solutions for Parking Lot

A complete solution for air monitoring, data analysis, and fresh air solutions for enclosed car parking areas and car lots.

Air Quality Solutions for Retail Stores

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets.

air quality solutions for airport for Seoul

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets

Prana Air provides the air quality solutions for airport. Gathering of many passengers is the main reasons of bad air quality in airport.

Air Quality Solutions For Construction Sites

Prana Air offers air quality monitoring solutions for construction sites with data cloud storage, web-dashboard, mobile apps, TV display.

Air Quality Solutions For Hospitals

Prana Air provides air quality monitoring and fresh air solutions for hospitals to ensure clean and healthy indoor air.

air quality solutions for bathroom for Seoul

Air Quality Solutions For Washroom | Bathroom

Improve washroom and bathroom air quality with Prana Air air quality monitoring devices and fresh air machine. Breathe easy and stay healthy.

Air Quality Solutions for Banks

Prana Air provides air quality solutions of pollution monitoring and fresh air for banks and financial institutions.

Air Quality Solutions for Cinema

Air quality solutions for cinema halls or theatres will help the customers to get the good experience, comfort and breathe clean air.

Air Quality Solutions For Real Estates

Prana Air provides the air quality solutions of pollution monitoring and fresh air for real estates - residential and commercial.

Seoul's AQI Data Analytics Solutions
Air quality data monitoring platforms

Mobile App

Smart TV App

Web Dashboard

API

Widgets

Mobile App

Empower Your Decisions with Reliable Data

Your area’s real-time data with detailed parameters.

Personalized health advice as per current AQI.

Analytical data to identify trends and conditions.

Connect and control your air quality devices.

Air Quality FAQs
at Seoul

Frequently Asked Questions About Air Quality

What is the current AQI level in Seoul?

The current real-time AQI level in Seoul is 92 (Moderate). This was last updated 3 minutes ago (Local Time).

When was the best AQI level in Seoul in the last 24 hours?

The best AQI level was 86 (Moderate) at 1:39 AM (Local Time) during the last 24 hours.

When was the worst AQI level in Seoul in the last 24 hours?

The worst AQI level was 117 (Poor) at 1:09 PM (Local Time) during the last 24 hours.

What is the current trend of AQI levels in Seoul during last 24 hours?

The AQI levels in Seoul have been fluctuating throughout the last 24 hours. The levels have increased by highest 117 at 1:09 PM (Local Time), lowest 86 at 1:39 AM (Local Time).

What actions are recommended as per the current AQI level in Seoul?

Current AQI levels are acceptable; however, some pollutants may be a concern for a small number of sensitive individuals.