SINGAPORE — Singapore’s air quality may deteriorate if the wind direction changes, with an increase in the number of hotspots over Sumatra in the past few days, said the National Environment Agency (NEA) on Friday (Sept 29).
SINGAPORE — Singapore’s air quality may deteriorate if the wind direction changes, with an increase in the number of hotspots over Sumatra in the past few days, said the National Environment Agency (NEA) on Friday (Sept 29).