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Singapore haze: Air quality remains unhealthy in most regions; PM2.5 readings normal across country

Singapore haze: Air quality remains unhealthy in most regions; PM2.5 readings normal across country
Photo: CNA — Singapore · view original

At 10am, the 24-hour PSI readings ranged from 100 to 132, while the hourly PM2.5 readings ranged from 31 to 48.

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