Air Pollution in Banten This Morning (15/9) Worst in Indonesia

Air quality in Banten this morning is the worst in Indonesia. According to the Air Pollution Standard Index (ISPU) page of the Ministry of Environment and Forestry (KLHK) on Monday (September 15, 2025) at 08.00 AM WIB, Banten''s air quality index was 95.

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

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

(Read: Indonesia''s Flood Disaster Trend Over a Decade, Started to Decline Since 2021)

Based on Ministry of Environment and Forestry Regulation No. 14 of 2020 concerning the Air Pollution Standard Index, an ISPU in the range of 0-50 indicates good air quality, a range of 51-100 means moderate air quality, and a range of 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 ranked second worst in Indonesia with an air quality index of 92. Then, in third place was Aceh with an air quality index of 91.

This means no region has hazardous air quality.

Here is the list of the 10 provinces with the worst air quality index in Indonesia on Monday, September 15, 2025, at 08.00 AM WIB.

1. Banten: 95

2. Riau Islands: 92

3. Aceh: 91

4. West Sumatra: 88

5. DKI Jakarta: 86

6. South Sumatra: 85

7. South Sumatra: 71

8. Central Java: 70

9. South Kalimantan: 68

10. West Nusa Tenggara: 60

(Read: Indonesia''s Flood Disaster Trend Over a Decade, Started to Decline Since 2021)