Thanks to Diwali celebration and the on-going stubble burning that is taking place in the neighbouring areas of Delhi that the city is laden with smoke and pollution. The arrival of winter has led to a drop in temperature causing the fog to combine with the smoke resulting in the formation of a less transparent visible air pollutant i.e. smog. Due to high levels of pollution the Indian Medical Association (IMA) has stated that Delhi is in a state of public health emergency . Air quality index is very severe with high particulate matter at a 2.5 level in many
