(ANSA) - ROMA, 09 DIC - epa10356518 A view of the city
shrouds in a thick layer of smog in Colombo, Sri Lanka, 09
December 2022. According to the National Building Research
Organization, the Colombo air quality index (AQI) has increased
to an unhealthy level. Over the last two days, the air quality
index (AQI) in many cities in Sri Lanka ranged between 150 and
200. Authorities closed all schools on the island on Friday to
protect children from polluted air. EPA/CHAMILA KARUNARATHNE
(ANSA).