10 Regions with the Cleanest Morning Air (20/11) in Indonesia

Madiun Regency's air quality this morning is the cleanest in Indonesia. Based on the air quality index version of the Ministry of Environment and Forestry (KLHK), Madiun Regency had a score of 13 on Thursday (20/11/2025) at 06:00 AM WIB.

At that time, Madiun Regency's air quality was classified as good, meaning the level of pollutants in Madiun Regency's air was very minimal. Furthermore, Nabire Regency ranked second with an air quality index of 15. Next, West Kutai Regency was in third place with an air quality index of 16.

Here is the complete list of the 10 cities with the cleanest air quality in Indonesia according to KLHK on Thursday, November 20, 2025 at 06:00 AM WIB.

1. Madiun Regency (East Java): 13
2. Nabire Regency (Central Papua): 15
3. West Kutai Regency (East Kalimantan): 16
4. Tarakan (North Kalimantan): 19
5. Bulungan Regency (North Kalimantan): 21
6. Semarang (Central Java): 22
7. South Lampung Regency (Lampung): 23
8. Samarinda (East Kalimantan): 26
9. Musi Banyuasin Regency (South Sumatra): 27
10. Sukabumi Regency (West Java): 28

(Read: BNPB Records 52 Natural Disasters in Mid-August 2023, Forest Fires Most Numerous)

Based on Ministry of Environment and Forestry Regulation No. 14 of 2020 concerning the Air Pollutant Standard Index, KLHK applies the following air quality index classification.

• 0-50: good
• 51-100: moderate
• 101-200: unhealthy
• 201-300: very unhealthy
• 300+: hazardous

This means that on Thursday (20/11/2025) at 06:00 AM WIB, all these cities had good air quality.

(Read: Climate Change-Related Natural Disasters Increase Globally)