Air quality in Sri Lanka’s major urban cities continuing to improve

 

As per the US Air Quality Index (AQI) at 10.00 a.m.Wednesday morning (Dec 14), Sri Lanka’s air quality in several major urban areas has improved significantly in comparison to past few days.

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.

According to the National Building Research Organization (NBRO), the AQI levels recorded in Kurunegala (94), Kandy (91), Galle (74) and Puttalam (89) have shown a significant improvement as the level of concern dropped to “moderate.