10 Regions with the Cleanest Afternoon Air (August 6) in Indonesia

The air quality in Gunung Mas Regency this afternoon is the cleanest in Indonesia. Based on the air quality index version of the Ministry of Environment and Forestry (KLHK), Gunung Mas Regency scored 8 on Wednesday (August 6, 2025) at 4:00 PM 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. Furthermore, Pekanbaru ranked second with an air quality index of 14. Next, Pelalawan Regency was in third place with an air quality index of 16.

Here is the complete list of the 10 cities with the cleanest air quality in Indonesia according to KLHK on Wednesday, August 6, 2025, at 4:00 PM WIB.

1. Kabupaten Gunung Mas (Central Kalimantan): 8
2. Pekanbaru (Riau): 14
3. Kabupaten Pelalawan (Riau): 16
4. Kabupaten Tasikmalaya (West Java): 17
5. Ternate (North Maluku): 19
6. Kabupaten Murung Raya (Central Kalimantan): 22
7. Probolinggo (East Java): 23
8. Mataram (West Nusa Tenggara): 25
9. Kabupaten Indragiri Hilir (Riau): 29
10. Kabupaten Sambas (West Kalimantan): 30

(Read: Forest and Land Fire Hotspots in South Sumatra Increased in Mid-October 2023)

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 Wednesday (August 6, 2025) at 4:00 PM WIB, all these cities had good air quality.

(Read: 10 Peat Hydrology Area Regions Most Prone to Forest and Land Fires in 2023)