NEW DELHI, June 20 -- Ozone pollution has escalated in Delhi's air as per the findings of Centre for Science and Environment (CSE).

Ozone, the deadly gas, has emerged as a dominant pollutant along with the Particulate Matter (PM) on at least 28 days during the summer this year as compared to only 17 days in 2018 summer, which is much higher than the standards.

Significantly, levels of ozone gas have been measured on a higher side in National Capital Region (NCR).

The analysis has found that among all NCR towns, Faridabad is on top with 80 per cent of days when ozone was exceeding the standards, followed by Ghaziabad with 67 per cent and Gurugram with 21 per cent days.

Interestingly, Noida shows much less impact with only 1 per cent of...