10 Regions with the Cleanest Air Quality in Indonesia, Tabalong Regency Ranks Number 1 This Afternoon

Tabalong 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), Tabalong Regency scored 1 on Sunday (10/5/2025) at 4:00 PM WIB.

At that time, Tabalong Regency's air quality was classified as good, meaning pollutant levels in the air of Tabalong Regency were very minimal. Furthermore, Hulu Sungai Selatan Regency ranked second with an air quality index of 9. Next, Tebo Regency was in third place with an air quality index of 11.

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

1. Tabalong Regency (South Kalimantan): 1
2. Hulu Sungai Selatan Regency (South Kalimantan): 9
3. Tebo Regency (Jambi): 11
4. Lamongan Regency (East Java): 14
5. Nabire Regency (Central Papua): 15
6. Tuban Regency (East Java): 16
7. Madiun Regency (East Java): 17
8. Bulungan Regency (North Kalimantan): 20
9. Lampung Selatan Regency (Lampung): 21
10. Bojonegoro Regency (East Java): 23

(Read: Flood Victims in Bali, 9 People Died (Wednesday, September 10, 2025))

Based on Ministry of Environment and Forestry 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 Sunday (10/5/2025) at 4:00 PM WIB, all of these cities had good air quality.

(Read: Flood Disaster Events in Indonesia Increased Period 2008-2025)