Seoul AQI 137 · Tokyo AQI 70 · Beijing AQI 42 · London AQI 12 · Bangkok AQI 24 · Paris AQI 31 · Seoul AQI 137 · Tokyo AQI 70 · Beijing AQI 42 · London AQI 12 · Bangkok AQI 24 · Paris AQI 31 ·
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Seoul vs Daejeon

Live AQI Comparison

Updated 32m ago · Data from OpenAQ

Seoul

South Korea

137

Unhealthy for Sensitive Groups

PM2.550 µg/m³
PM1065 µg/m³
VS
Daejeon

South Korea

76

Moderate

PM2.524 µg/m³
PM1044 µg/m³

Verdict

Seoul currently has worse air quality than Daejeon (AQI 61 points higher). Sensitive groups in Seoul should limit outdoor activity.

Seoul vs Daejeon Air Quality Analysis

Based on the latest measurements, Seoul has an AQI of 137 compared to Daejeon's AQI of 76. The World Health Organization (WHO) recommends annual PM2.5 levels below 15 µg/m³ and 24-hour levels below 45 µg/m³.

Current PM2.5 levels exceed the EPA "Moderate" threshold of 35.4 µg/m³. People with respiratory conditions, children, and the elderly should consider reducing prolonged outdoor exposure.

Air quality can change rapidly due to weather patterns, traffic, and industrial activity. Check back hourly for the latest comparison between Seoul and Daejeon.

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Frequently Asked Questions

Which city has worse air quality today, Seoul or Daejeon?

Seoul currently has worse air quality with an AQI of 137 compared to Daejeon's AQI of 76. This data is updated hourly from government monitoring stations.

Is it safer to be in Seoul or Daejeon right now?

Based on current AQI levels, Daejeon (AQI 76) has safer air quality than Seoul (AQI 137). People in Seoul should consider limiting outdoor activities.

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