The National Building Research Organization (NBRO) has reported a decline in air quality across nine areas, including Galle, Kandy, Ratnapura, Embilipitiya, Puttalam, Badulla, Trincomalee, Polonnaruwa, and Anuradhapura.
Karapitiya in Galle recorded the lowest air quality, with its Air Quality Index (AQI) ranging between 106 and 114 units.