10 Regions in Indonesia with the Cleanest Air This Afternoon (16/8)

Morowali Regency's air quality is the cleanest in Indonesia this afternoon. 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 16, 2025) at 4:00 PM WIB.

At that time, Morowali Regency's air quality was classified as good, meaning that pollutant levels in Morowali Regency's air were very minimal. Furthermore, Pelalawan Regency ranked second with an air quality index of 16. Next, West Manggarai Regency was in third position with an air quality index of 19.

Here is the complete list of 10 cities with the cleanest air quality in Indonesia according to KLHK on Saturday, August 16, 2025, at 4:00 PM WIB.

1. Morowali Regency (Central Sulawesi): 11
2. Pelalawan Regency (Riau): 16
3. West Manggarai Regency (East Nusa Tenggara): 19
4. Pekanbaru (Riau): 20
5. Bulungan Regency (North Kalimantan): 21
6. Gorontalo (Gorontalo): 22
7. Lumajang Regency (East Java): 23
8. Mataram (West Nusa Tenggara): 25
9. Tomohon (North Sulawesi): 26
10. Probolinggo (East Java): 27

(Read: Indications of Forest and Land Fire Area in Central Kalimantan Province in the Last Decade)

Based on Ministry of Environment and Forestry Regulation (Permen LHK) No. 14 of 2020 concerning the Air Pollutant 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 16, 2025) at 4:00 PM WIB, all these cities had good air quality.

(Read: As a Result of Forest and Land Fires, ARI Cases in South Kalimantan Reached 189 Thousand Cases as of September 2023)