Air Quality Improving In Sri Lanka - NBRO


December 11, 2022


Air quality in Sri Lanka has improved compared to yesterday, as per the latest Air Quality Index (AQI), issued at 08.00 a.m. this morning (Dec. 11).

The index is based on the measurement of particulate matter (PM2.5 and PM10), Ozone (O3), Nitrogen Dioxide (NO2), Sulfur Dioxide (SO2) and Carbon Monoxide (CO) emissions.

Accordingly, although Colombo had received a red-alert air pollution level of 191 yesterday (Dec.10), the city has recorded a decreased score of 123 today.

The AQI level recorded within Puttlam is 117 today. At the same time, Jaffna registered a score of 109, 106 in Kandy, 103 in Polonnaruwa, 100 in Kurunegala and 97 in Kegalle, which are considered unhealthy levels for sensitive groups, according to the National Building Research Organization (NBRO).