Morowali Regency's Air Quality Cleanest in Indonesia This Morning (Aug 20)

Morowali Regency's air quality is the cleanest in Indonesia this morning. Based on the air quality index version of the Ministry of Environment and Forestry (KLHK), Morowali Regency had a score of 11 on Wednesday (August 20, 2025) at 06.00 AM Western Indonesia Time.

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

Here is the complete list of the 10 cities with the cleanest air quality in Indonesia according to KLHK on Wednesday, August 20, 2025, at 06.00 AM Western Indonesia Time.

1. Morowali Regency (Central Sulawesi): 11
2. Murung Raya Regency (Central Kalimantan): 12
3. Bulungan Regency (North Kalimantan): 14
4. South Lampung Regency (Lampung): 17
5. Tarakan (North Kalimantan): 19
6. Bontang (East Kalimantan): 20
7. Semarang (Central Java): 22
8. Lumajang Regency (East Java): 23
9. West Manggarai Regency (East Nusa Tenggara): 24
10. Mataram (West Nusa Tenggara): 25

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Based on Ministry of Environment and Forestry Regulation No. 14 Year 2020 concerning the Air Pollutant 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 Wednesday (August 20, 2025) at 06.00 AM Western Indonesia Time, all these cities had good air quality.

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