Sunday Morning Air Pollution (14/9): Banten is the Worst, How About Other Regions?

Banten''s air quality this morning is the worst in Indonesia. Based on the Air Pollutant Standard Index (ISPU) page of the Ministry of Environment and Forestry (KLHK) on Sunday (14/9/2025) at 08:00 AM WIB, it was revealed that the air quality index in Banten was 95.

According to the KLHK Directorate of Air Pollution Control, ISPU is a unitless number used to describe ambient air quality conditions at a certain location and is based on its impact on human health, aesthetic value, and other living things.

ISPU calculation is based on the measurement results of seven air pollutant parameters: PM10, PM2.5, NO2, SO2, CO, O3, and HC. Air pollutant parameter measurements are spread across 72 stations in various regions.

(Read: Majority of Indonesians Access Air Quality Information from Social Media)

Based on Ministry of Environment and Forestry Regulation No. 14 of 2020 concerning the Air Pollutant Standard Index, an ISPU in the range of 0-50 indicates good air quality, 51-100 means moderate air quality, and 101-200 indicates unhealthy air quality that is detrimental to humans, animals, and plants.

Furthermore, very unhealthy air quality in the range of 201-300 can increase health risks for sensitive groups. Meanwhile, hazardous air quality in the range of more than 300 can seriously harm health and requires quick handling.

Below Banten, Riau Islands occupies the second worst position in Indonesia with an air quality index of 92. Then, in third place is Aceh with an air quality index of 91.

This means that no region has hazardous air quality.

Here is a list of the 10 provinces with the worst air quality index in Indonesia on Sunday, September 14, 2025, at 08:00 AM WIB.

1. Banten: 95

2. Riau Islands: 92

3. Aceh: 91

4. North Sumatra: 87

5. West Sumatra: 86

6. West Java: 85

7. North Sulawesi: 79

8. Jambi: 75

9. Central Java: 72

10. South Kalimantan: 68

(Read: Majority of Indonesians Access Air Quality Information from Social Media)