Federal capital's air quality unhealthy for sensitive groups.

ISLAMABAD -- The air quality in the federal capital on Saturday was unhealthy for the people belonging to sensitive groups particularly lungs and heart disease patients, older people, children and teenagers as air pollutant ratio was recorded beyond safer limits.

The latest data released by Pakistan Environmental Protection Agency (Pak-EPA), the particulate of 2.5 (PM2.5) microns which was a hazardous ambient air pollutant causing chronic respiratory diseases and premature deaths.

The PM2.5 not only exceeded National Environmental Quality Standards (NEQS) of 35 micrograms per cubic meter rather World Health Organization (WHO) standard of 20 micrograms per cubic meter.

The air quality data revealed PM2.5 was recorded 47.8 micrograms per cubic meter whereas the average ratio of PM 2.5 recorded was 39.9 micrograms per meter whereas sulphur dioxide was recorded 26.5...