Celebrity & pop culture
Seoul’s Ozone Alert: What Every Commuter Needs to Know (and How to Breathe Easy)
Why the Ozone Alert Matters for Your Daily Commute When Seoul’s ozone levels jump to three times the World Health Organization (WHO) 8-hour guideline of 100 µg/m³, a 30-minute ride can become a health gamble. The city’s latest sensor network recorded 320 µg/m³ on Tuesday, a