An ozone warning that was in effect for five southeastern districts of Incheon, South Korea, has been lifted as of 7 PM on Friday, according to the Ministry of Environment and the Korea Environment Corporation. The warning had been issued due to high concentrations of ozone in the air. Authorities did not specify the duration of the warning prior to its cancellation. The lifting of the alert indicates that ozone levels have decreased to safer levels. This announcement follows monitoring of air quality across the affected areas. Residents are no longer advised to take extra precautions related to ozone exposure. Further details regarding the initial warning and contributing factors were not immediately available.