NEW DELHI: Ground-level ozone, considered largely a summer pollutant, is now emerging as a year-round concern in the city. An analysis of Central Pollution Control Board (CPCB) data shows that ozone ...

For years, parents have blamed screens for worsening eyesight in their children. But doctors now warn of another, less obvious culprit: Toxic urban air. Across Delhi NCR, Hyderabad, Bengaluru and ...