Kupang Has Indonesia's Cleanest Air Quality (Tuesday, September 19, 2023)

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 22 on Tuesday, September 19, 2023, at 10:00 WIB (Western Indonesian Time).

At that time, Kupang's air quality was categorized as "good," meaning the level of pollutants in the air was very minimal. Kotawaringin Barat was ranked second with an AQI of 23, followed by Barito Selatan in third place with an AQI of 28.

Below is a complete list of the 10 cities with the cleanest air quality in Indonesia according to the KLHK on Tuesday, September 19, 2023, at 10:00 WIB.

1. Kupang (East Nusa Tenggara): 22
2. Kotawaringin Barat (Central Kalimantan): 23
3. Barito Selatan (Central Kalimantan): 28
4. Mamuju (West Sulawesi): 30
5. Gorontalo (Gorontalo): 31
6. Malang (East Java): 36
7. Palangkaraya (Central Kalimantan): 38
8. Balikpapan (East Kalimantan): 39
9. Ternate (North Maluku): 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 Tuesday, September 19, 2023, at 10:00 WIB, all of these cities had good air quality.