The Jakarta Environment Office has increased air quality monitoring in Jakarta following reports of ashfall linked to the ongoing activity of Anak Krakatau. Residents have reported deposits of volcanic ash, prompting officials to assess potential health risks and air pollution levels. Monitoring stations across Jakarta are now operating with increased frequency and sensitivity to detect particulate matter. The office is also coordinating with related agencies to provide information and guidance to the public regarding protective measures. Authorities are advising residents, particularly those with respiratory issues, to limit outdoor activities and wear masks if necessary. The situation is being closely monitored to determine if further action, such as localized advisories or restrictions, are required in Jakarta. The ash originates from eruptions of Anak Krakatau, a volcanic island located in the Sunda Strait.