10 Regions with the Least Air Pollution in Indonesia, Morowali Regency Ranks 1st on Saturday Morning

The air quality in Morowali Regency this morning 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 11 on Saturday (August 23, 2025) at 06:00 AM WIB.

At that time, Morowali Regency''s air quality was categorized as good, meaning the pollutant levels in the air of Morowali Regency were very minimal. Furthermore, South Lampung Regency took the second position with an air quality index of 13. Next, West Manggarai Regency was in third place with an air quality index of 19.

Here is the complete list of the 10 cities with the cleanest air quality in Indonesia according to KLHK on Saturday, August 23, 2025, at 06:00 AM WIB.

1. Morowali Regency (Central Sulawesi): 11
2. South Lampung Regency (Lampung): 13
3. West Manggarai Regency (East Nusa Tenggara): 19
4. Ternate (North Maluku): 20
5. Lumajang Regency (East Java): 24
6. Mataram (West Nusa Tenggara): 25
7. Tomohon (North Sulawesi): 26
8. Bontang (East Kalimantan): 28
9. Jayapura (Papua): 29
10. Asahan Regency (North Sumatra): 30

(Read: East Nusa Tenggara Always Hit by Forest and Land Fires in the Last 10 Years, BMKG Urges Increased Alertness)

Based on Ministry of Environment and Forestry 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 Saturday (August 23, 2025) at 06:00 AM WIB, all of these cities had good air quality.

(Read: 55 Disasters Occurred in Mid-September 2023, Forest and Land Fires Dominate)