Ozone Warning Issued for Three Districts in Northwest Seoul

On the 8th, the Ministry of Environment and the Korea Environment Corporation announced that an ozone advisory has been issued for three districts in the northwest area of Seoul as of 3 PM.

The affected areas are Eunpyeong-gu, Seodaemun-gu, and Mapo-gu.

The time-averaged ozone concentration in the affected areas is currently 0.1213 ppm (parts per million) as of 3 PM.

An ozone advisory is issued when the 1-hour average ozone (O₃) concentration in the air is 0.12 ppm or higher, an ozone warning at 0.30 ppm or higher, and an ozone severe warning at 0.50 ppm or higher.

When an ozone advisory is issued, the elderly, children, and those with respiratory or heart conditions should refrain from outdoor activities. It is also recommended that the general public avoid outdoor activities or strenuous exercise.