Morowali Regency''s Air Quality Cleanest in Indonesia This Morning (2/9)

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 has a score of 10 on Tuesday (2/9/2025) at 06.00 AM WIB.

At that time, Morowali Regency''s air quality was categorized as good, meaning the level of pollutants in Morowali Regency''s air was very minimal. Furthermore, Pelalawan Regency ranked second with an air quality index of 16. Next, Lumajang Regency was in third place with an air quality index of 18.

Here is the complete list of the 10 cities with the cleanest air quality in Indonesia according to KLHK on Tuesday, September 2, 2025 at 06.00 AM WIB.

1. Morowali Regency (Central Sulawesi): 10
2. Pelalawan Regency (Riau): 16
3. Lumajang Regency (East Java): 18
4. Tarakan (North Kalimantan): 19
5. Ternate (North Maluku): 20
6. West Manggarai Regency (East Nusa Tenggara): 21
7. Bontang (East Kalimantan): 24
8. Mataram (West Nusa Tenggara): 25
9. Tebo Regency (Jambi): 26
10. Kapuas Regency (Central Kalimantan): 27

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

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 (2/9/2025) at 06.00 AM WIB, all of these cities had good air quality.

(Read: Jatibening Included in the List of 15 Regions with the Best Air Quality in Indonesia as of September 2023)