10 Regions in Indonesia with the Cleanest Air This Afternoon (23/11)

The air quality in South Lampung Regency this afternoon is the cleanest in Indonesia. Based on the air quality index from the Ministry of Environment and Forestry (KLHK), South Lampung Regency scored 12 on Sunday (23/11/2025) at 4:00 PM WIB.

At that time, the air quality in South Lampung Regency was categorized as good, meaning the level of pollutants in the air of South Lampung Regency was very minimal. Furthermore, Madiun Regency ranked second with an air quality index of 13. Next, Nabire Regency was in third place with an air quality index of 15.

Here is the complete list of the 10 cities with the cleanest air quality in Indonesia according to KLHK on Sunday, November 23, 2025, at 4:00 PM WIB.

1. South Lampung Regency (Lampung): 12
2. Madiun Regency (East Java): 13
3. Nabire Regency (Central Papua): 15
4. Sukabumi Regency (West Java): 23
5. Mataram (West Nusa Tenggara): 25
6. Murung Raya Regency (Central Kalimantan): 26
7. Kapuas Regency (Central Kalimantan): 27
8. Semarang (Central Java): 28
9. Asahan Regency (North Sumatra): 29
10. North Penajam Paser Regency (East Kalimantan): 30

(Read: Trends in Volcanic Eruptions in Recent Years)

Based on KLHK Regulation No. 14 of 2020 concerning the Air Pollution 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 Sunday (23/11/2025) at 4:00 PM WIB, all of these cities had good air quality.

(Read: Indonesia Has the Most Active Volcanoes in the World)