10 Regions with the Cleanest Afternoon Air (Aug 26) in Indonesia

Morowali Regency''s air quality this afternoon is the cleanest in Indonesia. Based on the air quality index version of the Ministry of Environment and Forestry (KLHK), Morowali Regency had a score of 10 on Tuesday (Aug 26, 2025) at 4:00 PM WIB.

At that time, Morowali Regency''s air quality was categorized as good, meaning the pollutant levels in Morowali Regency''s air were very minimal. Furthermore, Murung Raya Regency ranked second with an air quality index of 12. Next, Madiun Regency was in third place with an air quality index of 14.

Below is the complete list of the 10 cities with the cleanest air quality in Indonesia according to KLHK on Tuesday, August 26, 2025, at 4:00 PM WIB.

1. Morowali Regency (Central Sulawesi): 10
2. Murung Raya Regency (Central Kalimantan): 12
3. Madiun Regency (East Java): 14
4. Manggarai Barat Regency (East Nusa Tenggara): 19
5. Balikpapan (East Kalimantan): 20
6. Bontang (East Kalimantan): 21
7. Penajam Paser Utara Regency (East Kalimantan): 23
8. Lumajang Regency (East Java): 24
9. Mataram (West Nusa Tenggara): 25
10. Tebo Regency (Jambi): 26

(Read: 31 Disasters in Indonesia at the End of May 2024, Floods Dominate)

Based on KLHK Regulation No. 14 of 2020 concerning the Air Pollution Standard Index, KLHK implements 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 Tuesday (Aug 26, 2025) at 4:00 PM WIB, all these cities had good air quality.

(Read: Indonesia''s Decade-Long Flood Disaster Trend, Starting to Decline Since 2021)