PTC News Desk: In the wake of deteriorating air quality in Pakistan, the United Nations Children's Fund (UNICEF) has also flagged health concerns pose...
PTC News Desk: The Air Quality Index in national capital has slightly improved with being persistently in "very poor category" for four days, it has n...
PTC News Desk: Outdoor air pollution from all sources kills around 2.18 million people annually in India, second only to China, suggests a modelling s...
