Jakarta Tightens Air Quality Monitoring as Mount Anak Krakatau Ash Spreads

The Jakarta Environmental Agency (DLH) is ramping up air quality monitoring in response to the growing threat of volcanic ash from Mount Anak Krakatau. The agency is working closely with multiple governmental bodies to ensure residents are informed and protected. DLH head Dudi Gardesi emphasized the importance of timely updates to keep the public aware of necessary precautions.

The spread of volcanic ash has been confirmed in certain areas of Jakarta, according to BMKG data from September 6, 2026. The agency recommended limiting non-essential outdoor activities and postponing exercise in affected regions. It advised those in ash-affected areas to wear an N95 mask or equivalent to protect their respiratory system. Indoor sheltering and minimizing air infiltration were advised during ashfall.

Special attention was given to vulnerable groups, including children, the elderly, and those with respiratory or heart conditions. School administrators, event organizers, and employers were encouraged to adjust their plans according to local conditions. Sanitation workers were prioritized with the provision of masks, eye protection, and safe work arrangements.

If ash accumulates at home, it should be cleaned using a damp cloth or mop, avoiding dry sweeping that could stir up the ash. Residents with persistent respiratory issues or eye irritation should seek medical attention. In case of emergencies, Jakarta Siaga 112 is available 24/7 for help. This article provides a comprehensive overview of the measures being taken to ensure public safety amid the volcanic ash crisis.