10 Regions in Indonesia with the Cleanest Air This Morning (9/12)

Tabalong Regency has the cleanest air quality in Indonesia this morning. Based on the air quality index version of the Ministry of Environment and Forestry (KLHK), Tabalong Regency scored 1 on Tuesday (9/12/2025) at 06:00 AM WIB.

At that time, Tabalong Regency's air quality was classified as good, meaning the pollutant levels in the air were very minimal. Subsequently, Penajam Paser Utara Regency ranked second with an air quality index of 4. Following that, West Kutai Regency was in third position with an air quality index of 7.

Here is the complete list of 10 cities with the cleanest air quality in Indonesia according to KLHK on Tuesday, December 9, 2025, at 06:00 AM WIB.

1. Tabalong Regency (South Kalimantan): 1
2. Penajam Paser Utara Regency (East Kalimantan): 4
3. West Kutai Regency (East Kalimantan): 7
4. South Lampung Regency (Lampung): 9
5. Palu (Central Sulawesi): 12
6. Nabire Regency (Central Papua): 16
7. Mamuju (West Sulawesi): 18
8. Ternate (North Maluku): 20
9. Pangkal Pinang (Bangka Belitung Islands): 23
10. Mataram (West Nusa Tenggara): 25

(Read: 4.6 M Earthquake Shakes 128 Km North of Lae, Papua)

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 (9/12/2025) at 06:00 AM WIB, all these cities had good air quality.

(Read: 4.16 M Earthquake Shakes Mona Passage)