10 Regions with the Cleanest Air Quality in Indonesia, Tasikmalaya Regency Ranks First This Afternoon

Tasikmalaya Regency's air quality this afternoon is the cleanest in Indonesia. Based on the air quality index from the Ministry of Environment and Forestry (KLHK), Tasikmalaya Regency had a score of 6 on Thursday (9/11/2025) at 4:00 PM WIB.

At that time, Tasikmalaya Regency's air quality was categorized as good, meaning the level of pollutants in Tasikmalaya Regency's air was very minimal. Furthermore, Morowali Regency took the second position with an air quality index of 10. Next, Madiun Regency was in third place with an air quality index of 13.

Here is the complete list of the 10 cities with the cleanest air quality in Indonesia according to KLHK on Thursday, September 11, 2025, at 4:00 PM WIB.

1. Tasikmalaya Regency (West Java): 6
2. Morowali Regency (Central Sulawesi): 10
3. Madiun Regency (East Java): 13
4. Murung Raya Regency (Central Kalimantan): 15
5. Pelalawan Regency (Riau): 16
6. North Penajam Paser Regency (East Kalimantan): 17
7. Tarakan (North Kalimantan): 19
8. Bontang (East Kalimantan): 20
9. Probolinggo (East Java): 23
10. Lumajang Regency (East Java): 24

(Read: Indonesia's Flood Disaster Trend Over a Decade, Started Declining Since 2021)

Based on KLHK Regulation No. 14 of 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 Thursday (9/11/2025) at 4:00 PM WIB, all these cities had good air quality.

(Read: 2 Thousand Natural Disasters in Indonesia in 2024, Floods Dominate)