Tokyo vs Seoul

Live AQI Comparison

Updated 23m ago · Data from OpenAQ

Tokyo

Japan

Moderate

PM2.522 µg/m³

PM10—

Seoul

South Korea

153

Unhealthy

PM2.560 µg/m³

PM1076 µg/m³

Verdict

Seoul currently has worse air quality than Tokyo (AQI 81 points higher). Sensitive groups in Seoul should limit outdoor activity.

Tokyo vs Seoul Air Quality Analysis

Based on the latest measurements, Seoul has an AQI of 153 compared to Tokyo's AQI of 72. 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 Tokyo and Seoul.

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Seoul Air Quality →

Frequently Asked Questions

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

Seoul currently has worse air quality with an AQI of 153 compared to Tokyo's AQI of 72. This data is updated hourly from government monitoring stations.

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

Based on current AQI levels, Tokyo (AQI 72) has safer air quality than Seoul (AQI 153). People in Seoul should consider limiting outdoor activities.

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