According to the National Building Research Organization, the air quality has decreased in many cities in the country.
The Chief Scientist of the Air Pollution Management Unit, Mr. Sarath Premasiri stated that the air quality in many cities is between 100 and 150 according to the American Air Quality Index.
He mentioned that this situation might continue for the next few days.
According to the National Building Research Organization, this situation is more or less likely to last until next March.
