Banda Aceh has the cleanest air quality in Indonesia, scoring 11 on the KLHK index as of Nov 11, 2025, 4 PM WIB. Madiun and Nabire Regencies follow. All listed cities have good air quality.

Bojonegoro Regency has the cleanest air in Indonesia as of November 11, 2025, with an air quality index of 4, categorized as ...