Johannesburg vs Cheongju

Live AQI Comparison

Updated 4h ago · Data from OpenAQ

Johannesburg

South Africa

127

Unhealthy for Sensitive Groups

PM2.546.206 µg/m³

PM1080.468 µg/m³

Cheongju

South Korea

115

Unhealthy for Sensitive Groups

PM2.541 µg/m³

PM1077 µg/m³

Verdict

Johannesburg currently has worse air quality than Cheongju (AQI 12 points higher). Sensitive groups in Johannesburg should limit outdoor activity.

Johannesburg vs Cheongju Air Quality Analysis

Based on the latest measurements, Johannesburg has an AQI of 127 compared to Cheongju's AQI of 115. 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 Johannesburg and Cheongju.

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Frequently Asked Questions

Which city has worse air quality today, Johannesburg or Cheongju?

Johannesburg currently has worse air quality with an AQI of 127 compared to Cheongju's AQI of 115. This data is updated hourly from government monitoring stations.

Is it safer to be in Johannesburg or Cheongju right now?

Based on current AQI levels, Cheongju (AQI 115) has safer air quality than Johannesburg (AQI 127). People in Johannesburg should consider limiting outdoor activities.

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