New delhi is one of the lead most polluted cities in the world in fact the small base so bad that doctors say breathing is the equivalent to smoking up to fifty cigarettes a day as marina hons explains. Here is what makes the smog so dangerous air quality is assessed by counting measure with a diameter of least than two point five micro meters were talking absolutely tiny here around thirty times finer than a human here so small it can only be detected with an electron microscope and small enough to get into your lungs and pass into the bloodstream causing heart and respect tree problems the year quality index puts the upper limit for good ear at no more than fifty and the highest and most hazardous level on their index is three hundred plus the count for delhi at times of the last few days has climbed to double that up past six hundred. So marina just explained there a really serious problem now the pollution in new delhi is incredibly dangerous and people are very angry there are soc