Daejeon vs Seoul

Live AQI Comparison

Updated 3m ago · Data from OpenAQ

Daejeon

South Korea

Moderate

PM2.524 µg/m³

PM1044 µg/m³

Seoul

South Korea

137

Unhealthy for Sensitive Groups

PM2.550 µg/m³

PM1065 µg/m³

Verdict

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

Daejeon vs Seoul 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 Daejeon and Seoul.

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Frequently Asked Questions

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

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 Daejeon or Seoul 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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