Banten Most Polluted in Indonesia Tonight (26/12)

Air quality in Banten is the worst in Indonesia tonight. Based on the Air Pollution Standard Index (APSI) page of the Ministry of Environment and Forestry (KLHK) on Friday (26/12/2025) at 6:00 PM WIB, it was revealed that the air quality index in Banten was 95.

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

APSI 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 distributed across 72 stations in various regions.

(Read: North Sumatra Flood-Landslide Update: 116 People Died, Here are the Details)

Based on KLHK Regulation No. 14 of 2020 concerning the Air Pollution Standard Index, APSI 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, Jambi occupies the second worst position in Indonesia with an air quality index of 94. Then, in third place is South Sumatra with an air quality index of 90.

This means no region has hazardous air quality.

Here is a list of the 10 provinces with the worst air quality index in Indonesia on Friday, December 26, 2025 at 6:00 PM WIB.

1. Banten: 95

2. Jambi: 94

3. South Sumatra: 90

4. North Sumatra: 88

5. West Sumatra: 86

6. North Sumatra: 82

7. East Kalimantan: 74

8. Central Kalimantan: 72

9. West Java: 66

10. South Sulawesi: 62

(Read: North Sumatra Flood-Landslide Update: 116 People Died, Here are the Details)