Hazardous air pollutants cross WHO safe air quality standards

ISLAMABAD, Oct 3 (APP):The hazardous pollutants of particulate matter of 2.5 microns has exceeded the World Health Organization (WHO) and National Environmental Quality Standards (NEQS) standards as the ambient air quality in the federal capital is recorded worse.

According to recent air quality report released by Pakistan Environmental Protection Agency (EPA) the 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.

The 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.

World Health Organization (WHO) in it’s reports had claimed air pollution to cause huge number of premature deaths. PM 2.5 had been found hazardous pollutant which could penetrate into human blood through lungs cells.

According to the daily ambient air quality report of the federal capital 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 the 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 was neither verified nor approved by the PAK-EPA, the report added.

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