India saw an average to good monsoon this year that brought a much-needed respite from the heat. For weeks, the skies were clear and blue, a shade that many of us had forgotten to associate it with. Now as winter looms around the corner, along with the mercury, air quality levels have begun to dip. Many of us, in north India especially, will recall with some amount of dread, the smoggy mornings and the related health challenges from last winter.