Lahore again ranks world’s most polluted major city as smog worsens

LAHORE: Lahore was ranked the world’s most polluted major city on Wednesday morning as smog thickened over the city with the onset of colder weather. In the past few years, air pollution has become one of the most pressing public health and environmental crises facing Pakistan. Various cities of the country, most notably Lahore , deal with smog, especially in the winter months. The phenomenon is attributed mainly to industrial emissions, vehicular pollution , stubble burning and air movement . According to the live air quality ranking published by Swiss air quality monitoring platform IQAir,…