Riau Night Air Pollution (25/8) Worst in Indonesia
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Air quality in Riau is the worst in Indonesia tonight. Based on the Ministry of Environment and Forestry (KLHK) Air Pollution Standard Index (ISPU) page on Tuesday (25/8/2026) at 18.00 WIB, it was revealed that the air quality index in Riau is 500.
According to the KLHK Air Pollution Control Directorate, ISPU is a unitless number used to describe ambient air quality conditions at a specific location, based on impacts on human health, aesthetic values, and other living organisms.
ISPU calculation is based on measurement results 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: There Were 1,300 Natural Disasters in Indonesia Up To September 2024, Here Are The Details)
Based on Minister of Environment and Forestry Regulation No. 14 of 2020 concerning Air Pollution Standard Index, ISPU in the 0-50 range means good air quality, 51-100 means moderate air quality, and 101-200 range means unhealthy air quality that is harmful to humans, animals and plants.
Furthermore, very unhealthy air quality in the 201-300 range can increase health risks for sensitive groups. Meanwhile, air quality in the hazardous range above 300 can cause serious health harm and requires immediate handling.
Below Riau, Central Kalimantan ranks second worst in Indonesia with an air quality index of 425. Then, in third place is South Sumatra with an air quality index of 248.
This means that Riau and Central Kalimantan have hazardous air quality.
Below is the list of the 10 provinces with the worst air quality index in Indonesia on Tuesday, August 25, 2026 at 18.00 WIB.
1. Riau: 500
2. Central Kalimantan: 425
3. South Sumatra: 248
4. Jambi: 225
5. West Kalimantan: 205
6. East Kalimantan: 145
7. South Sumatra: 135
8. Banten: 109
9. Aceh: 91
10. West Java: 87
(Read: There Were 1,300 Natural Disasters in Indonesia Up To September 2024, Here Are The Details)
"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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