Islamabad [Pakistan], November 12 (ANI): Air quality experts in Pakistan have sounded the alarm over hazardous air pollution, particularly in Punjab, urging Prime Minister Shehbaz Sharif to take decisive action. In a letter addressed to the premier, the Pakistan Air Quality Experts (PAQx) emphasised the critical public health risks posed by the current smog crisis and proposed immediate steps to mitigate its impact, Dawn reported. Last month, air quality in Punjab was officially declared a “calamity.” As part of measures to reduce exposure, schools across major cities in the province have been…