Commuters make their way amid smog on November 2, 2024. — AFPIslamabad: PM2.5, airborne particles less than 2.5 micrometres in diameter, are the most hazardous form of air pollution due to their ability to penetrate deep into the lungs and bloodstream causing severe health issues.This was revealed in a recent study on ‘Air pollution’s deadly impact on health in Pakistan: a deep dive into PM2.5 levels in Peshawar and Islamabad’ conducted by Sustainable Development Policy Institute .The...