An ozone warning that was in effect for seven cities and counties in the eastern part of Gyeonggi Province, South Korea, has been lifted as of 9 PM on October 13th. The announcement was made by the Ministry of Environment and the Korea Environment Corporation. The warning had been issued due to high concentrations of ozone in the air. This signifies an improvement in air quality across the affected region. Residents are no longer advised to take extra precautions related to ozone exposure. The specific cities and counties included in the warning were not detailed in the provided information. Authorities continue to monitor air quality levels throughout the province.