West Kalimantan Morning Air Quality (2/9): Worst in Indonesia
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West Kalimantan recorded the worst morning air quality in Indonesia. Per Indonesia Ministry of Environment and Forestry (KLHK) Air Pollution Standard Index (ISPU) data at 08:00 WIB Wednesday (2/9/2026), West Kalimantan posted an air quality index value of 731.
According to KLHK Air Pollution Control Directorate, ISPU is a unitless index describing ambient air quality at a location, measured against human health, aesthetic value, and ecological impact thresholds.
ISPU is calculated from 7 air pollutant parameters: PM10, PM2.5, NO2, SO2, CO, O3, and HC, monitored across 72 regional measurement stations.
(Read: 2000 Natural Disasters Occurred In Indonesia 2024, Floods Most Frequent)
Under KLHK Regulation No.14/2020: ISPU 0-50 = Good; 51-100 = Moderate; 101-200 = Unhealthy (harmful to humans, animals, plants).
Index 201-300 = Very Unhealthy (elevated risk for sensitive groups). Values above 300 are classified as Hazardous, requiring immediate emergency response.
Following West Kalimantan: Central Kalimantan ranks 2nd worst at 507, followed by South Kalimantan at 271 in 3rd place.
Both West and Central Kalimantan fall into the Hazardous air quality category.
Full ranking of 10 worst provinces at 08:00 WIB 02 September 2026:
1. West Kalimantan: 731
2. Central Kalimantan: 507
3. South Kalimantan: 271
4. Riau: 245
5. East Kalimantan: 203
6. Jambi: 162
7. South Sumatra: 152
8. South Sumatra: 105
9. Bengkulu: 99
10. North Kalimantan: 97
(Read: 2000 Natural Disasters Occurred In Indonesia 2024, Floods Most Frequent)
"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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