Kupang's air quality this morning is the cleanest in Indonesia. Based on the Air Quality Index (AQI) from the Ministry of Environment and Forestry (KLHK), Kupang scored 23 on Friday, September 15th, 2023, at 10:00 WIB (Western Indonesian Time).
At that time, Kupang's air quality was categorized as "good," meaning pollutant levels in Kupang's air were very minimal. Surabaya was ranked second with an AQI of 25. Semarang followed in third place with an AQI of 34.
Below is a complete list of the 10 cities with the cleanest air quality in Indonesia according to KLHK on Friday, September 15th, 2023, at 10:00 WIB.
1. Kupang (East Nusa Tenggara): 23
2. Surabaya (East Java): 25
3. Semarang (Central Java): 34
4. Balikpapan (East Kalimantan): 39
5. Malang (East Java): 40
6. Tanjung Pinang (Riau Islands): 41
7. Bulungan (North Kalimantan): 42
8. Ternate (North Maluku): 44
9. Kendari (Southeast Sulawesi): 46
10. Banyuasin (South Sumatra): 47
Based on the 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
Therefore, on Friday, September 15th, 2023, at 10:00 WIB, all of the aforementioned cities had good air quality.