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 21 on Wednesday, September 13, 2023, at 7:00 AM WIB.
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 28. Tanjung Pinang followed in third place with an AQI of 31.
Below is a complete list of the 10 cities with the cleanest air quality in Indonesia according to the KLHK on Wednesday, September 13, 2023, at 7:00 AM WIB.
1. Kupang (East Nusa Tenggara): 21
2. Surabaya (East Java): 28
3. Tanjung Pinang (Riau Islands): 31
4. Barito Selatan (Central Kalimantan): 33
5. Manado (North Sulawesi): 36
6. Denpasar (Bali): 37
7. Malang (East Java): 38
8. Jayapura (Papua): 40
9. Bulungan (North Kalimantan): 43
10. Kendari (Southeast Sulawesi): 46
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
Therefore, on Wednesday, September 13, 2023, at 7:00 AM WIB, all of these cities had good air quality.