West Java is the Most Polluted in Indonesia Tonight (26/4)
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West Java 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 Sunday (26/4/2026) at 18.00 WIB, it was revealed that the air quality index in West Java is 92.
According to the KLHK Air Pollution Control Directorate, ISPU is a unitless number used to describe ambient air quality conditions 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: Only 12 Regions Meet WHO 2024 Air Quality Standards)
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 West Java, South Sumatra ranks second worst in Indonesia with an air quality index of 91. Then, DKI Jakarta ranks third with an air quality index of 89.
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 Sunday, April 26, 2026 at 18.00 WIB.
1. West Java: 92
2. South Sumatra: 91
3. DKI Jakarta: 89
4. Aceh: 87
5. Jambi: 85
6. Riau: 81
7. East Java: 80
8. South Sulawesi: 79
9. East Kalimantan: 77
10. Yogyakarta: 76
"Disclosure: This is an AI-generated translation of the original article. We strive for accuracy, but please note that automated translations may contain errors or slight inconsistencies."
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