North India, particularly Delhi-NCR, is dealing with one of the worst pollution ... that gives you air quality insights about different areas. Basically, a Google Maps to tell you the AQI.

Economic losses were in the billions. Pollution takes many forms in India, including the use of poorly-ventilated stoves and open fires for cooking inside dwellings. Photo by Mark Katzman. Air ...

Delhi gets all the attention, but other parts of northern India are also dealing with toxic air. Toxic, deadly, poisonous - these words are back in the headlines as Delhi’s pollution spikes again.