Hazardous air pollutants cross WHO safe air quality standards | Pakistan Today

Hazardous air pollutants cross WHO safe air quality standards

ISLAMABAD: Hazardous pollutants of particulate matter of 2.5 microns has exceeded World Health Organization (WHO) and National Environment Quality Standards (NEQS) standards as ambient quality in the federal capital was reported to have deteriorated.

According to recent air quality report released by Pakistan Environmental Protection Agency (EPA) particulate matter of 2.5 microns (PM2.5) have not only exceeded the National Environmental Quality Standards (NEQS) of 35 micrograms per meter cube (mg/m³) rather also the World Health Organization (WHO) fine particulate matter of 2.5 microns 24 hours mean of 20 micrograms per meter cube.

Pollution level comprising particulate matter of 2.5 microns (PM2.5) has exceeded the permissible ratio of 35 micrograms per cubic meter (mg/m³) which is recorded 39.35 mg/m³, the highest ever in the federal capital.

A World Health Organization (WHO) report states air pollution causes a huge number of premature deaths. PM 2.5 is a hazardous pollutant that can penetrate into human blood through lungs.

According to the daily ambient air quality report of Islamabad by Pakistan Environmental Protection Agency (EPA), the 24 hours average ratio of nitrogen dioxide (NO2) and Sulphur dioxide (SO2) were 16.43 micrograms per cubic meter (mg/ m³) and 11.82 mg/m³ respectively against the respective National Environmental Quality Standards (NEQS) of 80 mg/m³ and 120mg/m³.

The data was recorded by calibrated air quality monitors fixed at particular positions with proper readings. However, concentrations of PM2.5 during day and evening times were recorded slightly high, whereas the overall ambient air quality of the federal capital was not healthier today.

Any other data from any source presenting ambient air quality of Islamabad has not been verified or approved by the PAK-EPA, the report added.



Related posts

Top