UNHEALTHY WEEKLY AIR

Citizens crossed near an Air Pollution Standard Index board (ISPU) that shows the quality of the air leveled by No Healthy in Pekanbaru, Riau, Saturday (11/10). Pantauan BMKG Pekanbaru station through Terra satellite and aqua detects 147 hotspots in Sumatra Island and 22 dots in Riau. ANTARA FOTO/Rony Muharrman/ed/pd/14

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