Busan vs Ulsan

Live AQI Comparison

Updated 45m ago · Data from OpenAQ

Busan

South Korea

Moderate

PM2.523 µg/m³

PM1045 µg/m³

Ulsan

South Korea

Moderate

PM2.530 µg/m³

PM1053 µg/m³

Verdict

Ulsan currently has worse air quality than Busan (AQI 15 points higher). Both cities have acceptable air quality levels.

Busan vs Ulsan Air Quality Analysis

Based on the latest measurements, Ulsan has an AQI of 89 compared to Busan's AQI of 74. The World Health Organization (WHO) recommends annual PM2.5 levels below 15 µg/m³ and 24-hour levels below 45 µg/m³.

PM2.5 levels are within the "Moderate" range. Air quality is generally acceptable, though unusually sensitive individuals may experience minor symptoms.

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

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Frequently Asked Questions

Which city has worse air quality today, Busan or Ulsan?

Ulsan currently has worse air quality with an AQI of 89 compared to Busan's AQI of 74. This data is updated hourly from government monitoring stations.

Is it safer to be in Busan or Ulsan right now?

Based on current AQI levels, Busan (AQI 74) has safer air quality than Ulsan (AQI 89). Both cities have acceptable air quality for outdoor activities.

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