Beijing vs Seoul

Live AQI Comparison

Updated 28m ago · Data from OpenAQ

Beijing

China

Good

PM2.510 µg/m³

PM1043 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 Beijing (AQI 95 points higher). Sensitive groups in Seoul should limit outdoor activity.

Beijing vs Seoul Air Quality Analysis

Based on the latest measurements, Seoul has an AQI of 137 compared to Beijing's AQI of 42. 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 Beijing and Seoul.

View full report

Beijing Air Quality →

View full report

Seoul Air Quality →

Frequently Asked Questions

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

Seoul currently has worse air quality with an AQI of 137 compared to Beijing's AQI of 42. This data is updated hourly from government monitoring stations.

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

Based on current AQI levels, Beijing (AQI 42) has safer air quality than Seoul (AQI 137). People in Seoul should consider limiting outdoor activities.

Check air quality in your city →