“Ozone level has increased manifold in the national capital due to the severe heat wave this season, posing a serious health risk, a recent study has revealed and suggested aggressive control of industrial and vehicular emissions.

According to the air quality index (AQI), released every day by Central Pollution Control Board (CPCB), ozone is emerging as a dominant pollutant along with particulate matter (PM), especially in Delhi and NCR areas, said environment think tank CSE.” India Today
read it on Delhiair.org: Ozone pollution in Delhi: Why it is increasing and how it can be a serious health risk to you