Jeju vs Ulsan

Live AQI Comparison

Updated 30m ago · Data from OpenAQ

Jeju

South Korea

Moderate

PM2.530 µg/m³

PM1052 µg/m³

Ulsan

South Korea

Moderate

PM2.527 µg/m³

PM1055 µg/m³

Verdict

Jeju currently has worse air quality than Ulsan (AQI 7 points higher). Both cities have acceptable air quality levels.

Jeju vs Ulsan Air Quality Analysis

Based on the latest measurements, Jeju has an AQI of 89 compared to Ulsan's AQI of 82. 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 Jeju and Ulsan.

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Frequently Asked Questions

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

Jeju currently has worse air quality with an AQI of 89 compared to Ulsan's AQI of 82. This data is updated hourly from government monitoring stations.

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

Based on current AQI levels, Ulsan (AQI 82) has safer air quality than Jeju (AQI 89). Both cities have acceptable air quality for outdoor activities.

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