Central Kalimantan Air Quality Worst in Indonesia on Friday Evening (21/8)
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Central Kalimantan recorded the worst air quality in Indonesia this evening. According to the Ministry of Environment and Forestry (KLHK) Air Pollution Standard Index (ISPU) page as of Friday, 21 August 2026 at 18:00 WIB, Central Kalimantan registered an air quality index value of 280.
As stated by KLHK Air Pollution Control Directorate, ISPU is a unitless index that describes ambient air quality conditions at a specific location, measured based on impacts on human health, aesthetic values, and other living organisms.
ISPU calculations are derived from measurements of 7 air pollutant parameters: PM10, PM2.5, NO2, SO2, CO, O3, and HC. Pollutant monitoring is conducted across 72 stations nationwide.
(Read: Indonesia Had the Worst Air Quality in ASEAN in 2022)
Per KLHK Ministerial Regulation No. 14/2020 on Air Pollution Standard Index: 0-50 = Good; 51-100 = Moderate; 101-200 = Unhealthy (adverse effects on humans, animals, plants); 201-300 = Very Unhealthy (elevated health risks for sensitive groups); >300 = Hazardous (requires emergency response).
Following Central Kalimantan, South Kalimantan ranked 2nd worst with index 145, followed by Jambi at 127. No regions recorded hazardous level air quality.
Full ranking of 10 worst provinces:
1. Central Kalimantan: 280
2. South Kalimantan: 145
3. Jambi: 127
4. South Sumatra: 124
5. West Kalimantan: 114
6. Riau: 104
7. DKI Jakarta: 93
8. East Kalimantan: 90
9. West Sumatra: 88
10. Banten: 87
(Read: Indonesia Had the Worst Air Quality in ASEAN in 2022)
"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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