According to the United States Air Quality Index (AQI-US), Banda Aceh was the city with the least air pollution in Indonesia on August 11, 2023, at 11:55 WIB (Western Indonesian Time).
At that time, Banda Aceh had an AQI-US score of 13 points. This means that the level of pollutants in the air in Banda Aceh was very low and the air quality was considered good.
Below is a complete list of the 10 cities with the least pollution in Indonesia according to the AQI-US score as of August 11, 2023, at 11:55 WIB:
1. Banda Aceh (Aceh): 13 points
2. Bukittinggi (West Sumatra): 25 points
3. Poso (Central Sulawesi): 38 points
4. Samarinda (East Kalimantan): 55 points
5. Bandung (West Java): 57 points
6. Martapura (South Kalimantan): 57 points
7. Batam (Riau Islands): 70 points
8. Makassar (South Sulawesi): 72 points
9. Palangkaraya (Central Kalimantan): 78 points
10. Pekanbaru (Riau): 80 points
Although the above cities are among those with the least pollution nationally, not all have good air quality.
The AQI-US applies the following air quality score classification:
* 0-50: Good air quality
* 51-100: Moderate
* 101-200: Unhealthy for sensitive groups
* 201-300: Unhealthy
* 301-400: Very unhealthy
* 401-500+: Hazardous
This means that on August 11, 2023, at 11:55 WIB, only Banda Aceh, Bukittinggi, and Poso had good air quality.
Meanwhile, the other 7 cities—Samarinda, Bandung, Martapura, Batam, Makassar, Palangkaraya, and Pekanbaru—had moderate air quality.