NEA advises the public to check the one-hour PM2.5 readings before carrying out any outdoor activities. - ST PHOTO: GIN TAY
SINGAPORE (The Straits Times/ANN): Those in Singapore can proceed with their normal Sunday activities as the air quality is not expected to reach unhealthy levels.
The 24-hour Pollutant Standards Index (PSI) here for Sunday is forecast to be in the moderate range of 51 to 100, said the National Environment Agency (NEA).
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