A study has pointed out that air pollution is neither Delhi-specific or limited to winter alone. At least four other cities have suffered more compared to Delhi in terms of the number of days and severity of air pollution.

The annual concentration of major pollutant PM2.5, or particles with diameter less than 2.5 micrometres, was more in Gurugram, Kanpur, Lucknow and Faridabad, the study by the Energy Policy Institute at the University of Chicago (EPIC-India) said. It said Patna and Agra had annual concentration of pollutants similar to Delhi…