Top 10 Areas in Indonesia with the Cleanest Air Quality; Kupang Ranks Number 1 This Evening

Kupang's air quality this afternoon is the cleanest in Indonesia. Based on the air quality index from the Ministry of Environment and Forestry (KLHK), Kupang scored 22 on Thursday, September 14, 2023, at 4:00 PM WIB.

At that time, Kupang's air quality was categorized as good, meaning the level of pollutants in the air was very minimal. West Kotawaringin was ranked second with an air quality index of 23. Surabaya followed in third place with an air quality index of 26.

Below is a complete list of the 10 cities with the cleanest air quality in Indonesia according to the KLHK on Thursday, September 14, 2023, at 4:00 PM WIB.

1. Kupang (East Nusa Tenggara): 22
2. West Kotawaringin (Central Kalimantan): 23
3. Surabaya (East Java): 26
4. South Barito (Central Kalimantan): 28
5. Manado (North Sulawesi): 30
6. Semarang (Central Java): 33
7. Malang (East Java): 35
8. Balikpapan (East Kalimantan): 37
9. Tanjung Pinang (Riau Islands): 40
10. Bulungan (North Kalimantan): 43

Based on the Minister of Environment and Forestry Regulation No. 14 of 2020 concerning the Air Pollutant Standard Index, the 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, September 14, 2023, at 4:00 PM WIB, all of these cities had good air quality.