Air Pollution in West Java at Night (29/11) Worst in Indonesia

Air quality in West Java tonight is the worst in Indonesia. Based on the Air Pollutant Standard Index (ISPU) page of the Ministry of Environment and Forestry (KLHK) on Saturday (29/11/2025) at 6:00 PM WIB, it was revealed that the air quality index in West Java was 102.

According to the Directorate of Air Pollution Control of KLHK, ISPU 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.

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

(Read: Volcanic Eruption Trends in Recent Years)

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

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

Below West Java, Riau Islands ranks second worst in Indonesia with an air quality index of 95. Then, in third place is Riau with an air quality index of 91.

This means that no area has hazardous air quality.

Here is a list of the 10 provinces with the worst air quality index in Indonesia on Saturday, November 29, 2025, at 6:00 PM WIB.

1. West Java: 102

2. Riau Islands: 95

3. Riau: 91

4. Jambi: 90

5. West Sumatra: 87

6. South Sumatra: 84

7. Central Java: 80

8. DKI Jakarta: 78

9. North Sumatra: 75

10. South Sulawesi: 74

(Read: Volcanic Eruption Trends in Recent Years)