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Daejeon Air Quality Index (AQI) | Air Pollution

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

Last Updated: 2026-06-04 07:11:02 (Local Time)

location image
Live AQI
87AQI (US)
Air Quality is
Moderate
PM2.5 :  29 µg/m³
pm10 :  42 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi moderate level.webp in Daejeon
mist

20 °C

Mist
Humidity
Humidity88 %

Wind Speed
Wind Speed3.6 km/h

UV Index
UV Index0.7
Last Updated: 2026-06-04 07:11:02 (Local Time)
Rank211th

Currently, Daejeon ranks 211th among the cities with the highest AQI levels in the world.

Map

Daejeon

Major Air Pollutants

Daejeon

AQI Graph

Historical Air Quality Data

Daejeon

Daejeon
AQI (US)
.
03-06-2026Time04-06-2026
30
Min. AQI (US)7:31am
98
Max. AQI (US)2:31am

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AQI (US) Trends - Annual Air Quality Changes

Daejeon, Daejeon, South Korea

Daejeon's Locations

Real-time Air Pollution Level

locations
Status
AQI (US)
PM₂.₅(µg/m³)
PM₁₀(µg/m³)
Temp.(°C)
Humi.(%)
Moderate
84
28
43
20
88
Moderate
84
28
41
20
88
Moderate
99
35
37
20
88
Moderate
90
31
47
20
88
Moderate
88
30
38
20
88
Moderate
73
23
45
20
88
Poor
121
44
51
20
91
Moderate
60
17
39
20
88
Moderate
97
34
44
20
88
Moderate
69
21
44
20
88
Moderate
84
28
42
20
88
Moderate
97
34
41
20
88
Moderate
95
33
45
20
88
Moderate
75
24
42
20
88
Moderate
93
32
43
20
88
Moderate
60
17
31
20
88

South Korea's Metro Cities

Air Quality Index

Health Advice For People Living In

Daejeon

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 (US)

  • 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

Daejeon

  • asthma due to air pollution in DaejeonAsthma
  • heart due to air pollution in DaejeonHeart Issues
  • allergy due to air pollution in DaejeonAllergies
  • sinus due to air pollution in DaejeonSinus
  • flu due to air pollution in DaejeonCold/Flu
  • copd due to air pollution in DaejeonChronic (COPD)
asthma due to air pollution in Daejeon

Mild Chances of Asthma

Asthma

Risk of Asthma symptoms is Mild 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 2026

South Korea

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

Daejeon's AQI Data Analytics Solutions

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Air Quality FAQs

at Daejeon

Frequently Asked Questions About Air Quality

What is the current AQI (US) level in Daejeon?

The current real-time AQI (US) level in Daejeon is 87 (Moderate). This was last updated 2026-06-04 07:11:02 (Local Time).

When was the best AQI (US) level in Daejeon in the last 24 hours?

The best AQI (US) level was 30 (Good) at 7:31 AM (Local Time) during the last 24 hours.

When was the worst AQI (US) level in Daejeon in the last 24 hours?

The worst AQI (US) level was 98 (Moderate) at 2:31 AM, Jun 4, 2026 (Local Time) during the last 24 hours.

What is the current trend of AQI (US) levels in Daejeon during last 24 hours?

The AQI (US) levels in Daejeon have been fluctuating throughout the last 24 hours. The levels have increased by highest 98 at 2:31 AM, Jun 4, 2026 (Local Time), lowest 30 at 7:31 AM (Local Time).

What actions are recommended as per the current AQI (US) level in Daejeon?

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