CNA938 Rewind - When haze hits 'very unhealthy', do you need to wear your mask indoors as well? #SGToday
Air quality in Singapore continues to be poor, due to the haze. So, staying indoors – with the doors and windows closed – may seem like the safest option. But, can harmful pollutants still creep into your home, and could you need to wear an N95 mask indoors too? Daniel Martin finds out from Professor Rajasekhar Balasubramanian, Department of Civil and Environmental Engineering, College of Design and Engineering, NUS.