In terms of air quality, As at 4am today, Colombo’s air pollution status stood at good level of 17, as measured by PM 2.5 (fine particulate matter).
The ‘Good’ level, which ranges from 0-50, means the air quality “is considered satisfactory, and air pollution poses little or no risk.” according to the Air Quality Index (AQI) categorizations.
Colombo’s air pollution status will stand at ‘unhealthy’ level today and tomorrow, the National Building Research Organization (NBRO) said citing the AQI predictions of the US Embassy in Colombo.
(Daily News)