Capital's air quality moderate as gusty weather slightly increases pollutant ratio.

ISLAMABAD -- The air quality of the federal capital after scattered thunderstorms during rainy weather turned moderate on Friday after the pollutant ratio though less than the permissible limits witnessed a slight spike in their atmospheric concentration.

The air quality was recorded moderate as suspended particles were noted below permissible limits in the atmosphere alongwith the pollutants' ratio due to consistent rainy and gusty weather.

The air quality data has been collected by Pakistan Environmental Protection Agency (Pak-EPA) which monitors air pollutants ratio for 24 hours based on three intervals of eight hours data collection from different locations.

The Pak-EPA data revealed that the air quality throughout the three intervals of data monitoring remained high as the pollutants were below the permissible limits of national environmental quality standards (NEQS).

The hazardous air pollutant particulate matter of 2.5 microns (PM2.5), which was a lethal atmospheric contaminant, remained 21.33 micro grammes per cubic meter on average which is higher than the NEQS of 35 mic-programmes per cubic meter and denotes the air quality unhealthy.

The PM2.5 is generated through combustion of an engine, industrial emissions, burning garbage or inflammable material and dust blown up by fast moving cars plying on non-cemented patches of the...

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