Kolkata suffers worst air quality in November across India
Kolkata has suffered worst air quality across the country in the month of November. "We noticed...on Sunday at 7 pm the reading was 406, this is severe," Environmentalist SM Ghosh said. The government isn't giving any feedback to people, he added. The average daily reading in PM 2.5 Air Quality Index of Kolkata has been higher than 300 this month.