Air pollution in Singapore rose to the “unhealthy” level on Friday as acrid smoke drifted over the island from fires on Indonesia’s Sumatra island, the … Smoke from Indonesian fires hits ‘unhealthy’ level in SingaporeRead more
Air pollution in Singapore rose to the “unhealthy” level on Friday as acrid smoke drifted over the island from fires on Indonesia’s Sumatra island, the … Smoke from Indonesian fires hits ‘unhealthy’ level in SingaporeRead more