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Seoul Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2025-08-11 06:54:41 PM (Local Time)

location image
Live AQI
62(AQI-US)
Air Quality is
Moderate
pm10 :  27 µg/m³
PM2.5 :  15 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi moderate level.webp in Seoul
partly cloudy

28 °C

Partly cloudy
Humidity
Humidity74 %

Wind Speed
Wind Speed9 km/h

UV Index
UV Index1
Last Updated: 2025-08-11 06:54:41 PM (Local Time)


Map

Seoul

Major Air Pollutants

Seoul

AQI Graph

Historical Air Quality Data

Seoul

Seoul
AQI
.
10-08-2025Time11-08-2025
44
Min.at 7:09 PM on 10th Aug
63
Max.at 11:09 AM on 11th Aug

Download 2024 Annual Data

World Air Quality Report

Globe

AQI Trends - Annual Air Quality Changes

Seoul, Seoul, South Korea

Year
.
AQI


Annual AQI Trends

2020
64AQI
2021
66AQI
3%
Rise
2022
65AQI
-2%
Fall
2023
66AQI
2%
Rise
2024
61AQI
-8%
Fall
2025
68AQI
11%
Rise
Overall Annual Percentage (%) change of AQI in (2020 to 2025)
1%
Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedMarch, 202193AQI

Least PollutedSeptember, 202134AQI

* This data analysis is from year 2020 - 2025

Seoul's Locations

Real-time Air Pollution Level

Location
Status
AQI
PM2.5(µg/m³)
PM10(µg/m³)
Temp.(°C)
Humi.(%)
Moderate
57
12
25
28
69
Moderate
61
14
29
28
78
Moderate
66
17
30
28
73
Moderate
57
12
24
28
72
Moderate
66
17
29
28
73
Moderate
60
14
24
28
71
Moderate
69
19
30
28
78
Moderate
61
14
31
29
72
Moderate
63
15
31
28
70
Moderate
63
15
25
28
68
Moderate
74
22
32
28
71
Moderate
60
14
24
28
69
Moderate
60
14
27
28
70
Moderate
60
14
25
28
70
Moderate
68
18
29
28
73
Moderate
59
13
28
28
69
Moderate
60
14
26
28
70
Moderate
60
14
26
28
70
Moderate
62
15
25
28
73
Moderate
62
15
24
28
72

South Korea's Metro Cities

Air Quality Index

Health Advice For People Living In

Seoul

0Cigarettes per day

Weekly 0 Cigarettes
Monthly 0 Cigarettes

Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.

Source:

Berkeley Earth

Disclaimer: This cigarette-equivalent estimate is based on the average PM2.5 concentration over the last 24 hours, assuming continuous exposure during that time.

Solutions for Current AQI

  • Air Purifier
    Air PurifierTurn On
  • Car Filter
    Car FilterMust
  • N95 Mask
    N95 MaskMust
  • Stay Indoor
    Stay IndoorMust


Must turn on the air purifier to enjoy fresh air.

Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Seoul

  • asthma due to air pollution in SeoulAsthma
  • heart due to air pollution in SeoulHeart Issues
  • allergy due to air pollution in SeoulAllergies
  • sinus due to air pollution in SeoulSinus
  • flu due to air pollution in SeoulCold/Flu
  • copd due to air pollution in SeoulChronic (COPD)
asthma due to air pollution in Seoul

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.

Disclaimer: The above health risks are precautionary suggestions based on current AQI levels. You may not feel the effects immediately, but prolonged exposure to air pollution can contribute to these health conditions over time. AQI.IN is neither a medical expert nor a provider of medical advice. Please consult a doctor if you experience any of the above similar symptoms.

Most Polluted Cities 2025

South Korea

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

Seoul's AQI Data Analytics Solutions

Air quality data monitoring platforms

Mobile AppMobile App
Smart TV AppSmart TV App
Web DashboardWeb Dashboard
APIAPI
WidgetsWidgets
aqi air quality app for Seoul
Mobile App

Empower Your Decisions with Reliable Data

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

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


Personalized health advice as per current AQI.

Personalized health advice as per current AQI.


Analytical data to identify trends and conditions.

Analytical data to identify trends and conditions.


Connect and control your air quality devices.

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 62 (Moderate) due to recent rainfall by 0.01mm/hr. This was last updated 2025-08-11 06:54:41 PM (Local Time).

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

The best AQI level was 44 (Good) at 7:09 PM, Aug 10, 2025 (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 63 (Moderate) at 11:09 AM (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 63 at 11:09 AM (Local Time), lowest 44 at 7:09 PM, Aug 10, 2025 (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.