Air Pollution on Thursday Night (Feb 5): Banten is the Worst, How About Other Regions?

Banten has the worst air quality in Indonesia tonight. Based on the Air Pollution Standard Index (ISPU) page of the Ministry of Environment and Forestry (KLHK) on Thursday (February 5, 2026) at 6:00 PM WIB, it was revealed that the air quality index in Banten is 95.

According to the KLHK Air Pollution Control Directorate, ISPU is a unitless number used to describe the ambient air quality condition at a specific location and is based on impacts on human health, aesthetic value, and other living beings.

ISPU calculations are based on measurements 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: Number of Slightly Damaged Houses Due to Natural Disasters in Indonesia 2015-2024)

Based on KLHK Regulation No. 14 of 2020 concerning the Air Pollution Standard Index, ISPU in the 0-50 range means good air quality, 51-100 means moderate air quality, and 101-200 means unhealthy air that is harmful to humans, animals, and plants.

Next, very unhealthy air quality in the 201-300 range can increase health risks for sensitive groups. Meanwhile, hazardous air quality in the range above 300 can seriously harm health and requires immediate handling.

Below Banten, South Sumatra ranks second worst in Indonesia with an air quality index of 94. Then, Riau ranks third with an air quality index of 93.

This means that no region has hazardous air quality.

Here is the list of 10 provinces with the worst air quality index in Indonesia on Thursday, February 5, 2026 at 6:00 PM WIB.

1. Banten: 95

2. South Sumatra: 94

3. Riau: 93

4. Jambi: 88

5. Aceh: 87

6. West Java: 83

7. North Sumatra: 80

8. North Sumatra: 78

9. Lampung: 74

10. South Sulawesi: 72

(Read: Number of Slightly Damaged Houses Due to Natural Disasters in Indonesia 2015-2024)