10 Areas in Indonesia with the Cleanest Air This Afternoon (5/8)

Gunung Mas Regency's air quality 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 10 on Tuesday (August 5, 2025) at 4:00 PM WIB.

At that time, Gunung Mas Regency's air quality was categorized as good, meaning the pollutant levels in the air of Gunung Mas Regency were very minimal. Next, Pekanbaru ranked second with an air quality index of 13. Following that, Pelalawan Regency was in third place with an air quality index of 16.

Here is the complete list of 10 cities with the cleanest air quality in Indonesia according to KLHK on Tuesday, August 5, 2025, at 4:00 PM WIB.

1. Gunung Mas Regency (Central Kalimantan): 10
2. Pekanbaru (Riau): 13
3. Pelalawan Regency (Riau): 16
4. Ternate (North Maluku): 20
5. Murung Raya Regency (Central Kalimantan): 23
6. Lumajang Regency (East Java): 24
7. Mataram (West Nusa Tenggara): 25
8. Balikpapan (East Kalimantan): 28
9. Purwakarta Regency (West Java): 29
10. Sambas Regency (West Kalimantan): 30

(Read: Nearly 5 Thousand Natural Disaster Incidents in Indonesia Throughout 2023, Forest and Land Fires Dominate)

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 Tuesday (August 5, 2025) at 4:00 PM WIB, all these cities had good air quality.

(Read: 55 Disasters Occurred in Mid-September 2023, Forest and Land Fires Dominate)