10 Areas with the Least Air Pollution in Indonesia, Thursday Morning Gunung Mas Regency Ranks 1st

The air quality in Gunung Mas Regency this morning is the cleanest in Indonesia. Based on the air quality index from the Ministry of Environment and Forestry (KLHK), Gunung Mas Regency had a score of 8 on Thursday (8/7/2025) at 06.00 AM WIB.

At that time, the air quality in Gunung Mas Regency was categorized as good, meaning the pollutant levels in the air of Gunung Mas Regency were very minimal. Next, Pelalawan Regency occupied the second position with an air quality index of 16. Following that, Tasikmalaya Regency was in third position 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 Thursday, August 7, 2025, at 06.00 AM WIB.

1. Gunung Mas Regency (Central Kalimantan): 8
2. Pelalawan Regency (Riau): 16
3. Tasikmalaya Regency (West Java): 18
4. Ternate (North Maluku): 20
5. Murung Raya Regency (Central Kalimantan): 21
6. Probolinggo (East Java): 23
7. Lumajang Regency (East Java): 24
8. Mataram (West Nusa Tenggara): 25
9. Banyuwangi Regency (East Java): 29
10. Sambas Regency (West Kalimantan): 30

(Read: Pelalawan Regency's Air Quality Cleanest in Indonesia This Morning (28/7))

Based on KLHK Regulation 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 Thursday (8/7/2025) at 06.00 AM WIB, all these cities had good air quality.

(Read: Banten's Air Quality Sunday Morning (3/8) Worst in Indonesia)