As air pollution peaked this week in Delhi, it rose to more than 30 times the World Health Organization’s recommended safe level. Air purifiers and masksDelhi chief minister Arvind Kejriwal has called the capital a “gas chamber”. Affluent residents and large companies have been placing bulk orders for air purifiers and masks. Pronab Sarkar, president of the Indian Association of Tour Operators, said air pollution had also hit tourism. Indian Association of Tour Operators says air pollution has also hit tourism.

Source: Mint November 11, 2017 04:30 UTC