As Delhi sizzles, toxic ozone levels rise: Business Standard

“With increasing temperature, the toxic ozone levels, which cause a number of health problems especially for asthmatics, have breached the permissible limits in the city, the MET department today said. The level of toxic ozone in the national capital was highest this year during the last two weeks when the maximum temperatures hovered above 40 degrees Celsius.”However, with rising temperature, the level of toxic ozone in Delhi has shot up and was the highest during the last two weeks this year. In some areas of Delhi NCT, surface ozone (8 sunlit hour average) touched as high as 120 ppb (part per billion), which is classified as poor in Air Quality Index,” Gufran Beig, Project Director, System of Air Quality and Weather Forecasting Research (SAFAR), said.
The permissible limit is 50 ppb (8 hour day average).” Business Standard. Read it on delhiair.org.

As Delhi sizzles, toxic ozone levels rise