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Air pollution high in capital amid soaring heat, vehicular emissions

by Arshad Khan
July 2, 2022
in Science
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Air pollution high in capital amid soaring heat, vehicular emissions
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Air quality throughout three intervals of data monitoring remained high: Pak-EPA data revealed

ISLAMABAD: The air quality of the federal capital on Thursday was reported unhealthy as suspended particles were recorded high in the atmosphere along with the pollutants’ ratio also above permissible limits due to consistent dry hot weather and increased vehicular traffic on roads.

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

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The Pak-EPA data revealed that the air quality throughout the three intervals of data monitoring remained high as the pollutants were beyond 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 49.33 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 roads.

Moreover, the frequent forest fires in the federal capital also created high suspended particles, dust, and particulate matter in the atmosphere.

However, a spike was witnessed during the peak hours that were mainly due to congestion of automobiles plying on the roads after schools vans, office buses and public cars caused congestion on the main thoroughfares, an official of EPA told.

The nitrogen dioxide (NO2) and sulphur dioxide (SO2) were recorded below permissible ratio as it were recorded 4.77 and 15.56 micro-grammes per cubic meter in past 24 hours in the atmosphere against the NEQS of 80 and 120 micro-grammes per cubic meter respectively.

These effluents were mainly produced during the operational activities of industrial plants and factories that were already under control, he said.

He urged the masses with respiratory conditions and other critical heart or lungs diseases to avoid prolonged outdoor visits and wear face coverings and goggles when the air quality was unhealthy while venturing outdoors.

Tags: Air pollution in Islamabadnitrogen dioxidePakistanPakistan Environmental Protection Agencysulphur dioxide
Arshad Khan

Arshad Khan

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