COLOMBO (News 1st) – The Colombo air quality index (AQI) has increased further towards an unhealthy level.The National Building Research Organization said that the AQI across many cities in Sri Lanka range between 150 – 200, which is an unhealthy level.-What is the AQI?The AQI reports on how clean or polluted the air in your area is, and what effects breathing the outdoor air may have on your health.The AQI takes into account five of the major air pollutants.
These pollutants are ground-level ozone, particle pollution, carbon monoxide, sulfur dioxide and nitrogen dioxide. How to protect yourself from unhealthy or hazardous air pollution: If the air quality in your area is compromised, there are several things you can do to protect yourself.
Special attention should be paid to those who have compromised respiratory, lung or heart health, as well as children and older adults who are, in general, more vulnerable.
If the air quality falls in the unhealthy or red range (151-200), the AQI recommends that people with compromised health avoid prolonged outdoor work or activity.