Tag Archives: Siak

Hazardous air quality detected in Kalimantan and Riau 

The Air Pollution Standard Index (ISPU) reached a hazardous level on Saturday in several cities, including in Palangkaraya in Central Kalimantan, Pontianak in West Kalimantan and in Riau’s cities of Pekanbaru, Kampar, Bengkalis and Siak. Palangkaraya’s air quality suffered the … Continue reading

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