Lahore wreathes in thick smog

Residents in Lahore continued to struggle under “hazardous” air quality, with the city retaining its title as the most polluted in the world as its air quality index (AQI) reached 666 on Tuesday morning. According to IQAir, a Swiss air quality monitor, the level of deadly particulate matter (PM2.5) pollutants – the fine particulate matter […]