10 Regions in Indonesia with the Cleanest Air This Afternoon (15/9)

Tasikmalaya Regency''s air quality is the cleanest in Indonesia this afternoon. Based on the air quality index from the Ministry of Environment and Forestry (KLHK), Tasikmalaya Regency scored 6 on Monday (15/9/2025) at 4:00 PM WIB.

At that time, Tasikmalaya Regency''s air quality was classified as good, meaning the pollutant levels in the air were very minimal. Subsequently, Murung Raya Regency ranked second with an air quality index of 8. Next, Morowali Regency was in third place with an air quality index of 10.

Here is the complete list of the 10 cities with the cleanest air quality in Indonesia according to KLHK on Monday, September 15, 2025, at 4:00 PM WIB.

1. Tasikmalaya Regency (West Java): 6
2. Murung Raya Regency (Central Kalimantan): 8
3. Morowali Regency (Central Sulawesi): 10
4. Madiun Regency (East Java): 13
5. Padang (West Sumatra): 14
6. Pelalawan Regency (Riau): 16
7. North Penajam Paser Regency (East Kalimantan): 18
8. West Manggarai Regency (East Nusa Tenggara): 19
9. Ternate (North Maluku): 21
10. Bontang (East Kalimantan): 22

(Read: Not Jakarta, These Are the Regions with the Worst Air Quality in Indonesia (Wednesday, June 7, 2023))

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

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

This means that on Monday (15/9/2025) at 4:00 PM WIB, all these cities had good air quality.

(Read: Air Quality in Bangladesh is the Worst in the World, What About Indonesia?)