10 Regions with the Cleanest Air Quality in Indonesia, Madiun Regency Ranks Number 1 This Afternoon
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Madiun Regency's air quality this Wednesday afternoon (12/11/2025) is the cleanest in Indonesia.
According to data from the Ministry of Environment and Forestry (KLHK) on Wednesday at 4:00 PM WIB, Madiun Regency's air quality index was 14. Three other cities with the cleanest air quality in Indonesia were West Kutai Regency at 17, Banda Aceh at 18, and Palu at 19.
Referring to Ministerial Regulation of the Ministry of Environment and Forestry No. 14 of 2020 concerning the Air Pollutant Standard Index (ISPU), KLHK categorizes the air quality index into 5 categories:
- 0-50: good
- 51-100: moderate
- 101-200: unhealthy
- 201-300: very unhealthy
- 300+: hazardous
This means that Madiun Regency's current air quality index is categorized as good, indicating very minimal air pollution in the region.
Below is the list of the 10 cities with the cleanest air quality in Indonesia according to KLHK on Wednesday, November 12, 2025, at 4:00 PM WIB.
- Madiun Regency (East Java): 14
- West Kutai Regency (East Kalimantan): 17
- Banda Aceh (Aceh): 18
- Palu (Central Sulawesi): 19
- South Lampung Regency (Lampung): 20
- Sukabumi Regency (West Java): 22
- Purwakarta Regency (West Java): 24
- South Tangerang (Banten): 25
- West Kotawaringin Regency (Central Kalimantan): 26
- Kapuas Regency (Central Kalimantan): 27
(Read: 10 Peat Hydrology Area Zones Most Prone to Forest Fires in 2023)
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