Customer being charged one dollar ( 11p ) extra as an ‘ air - purifying fee ’ Eight air purifiers operate 24 hours a day between two floors . Manager says move will raise awareness about air pollution . customers said they think fresh air makes their journey more enjoyable . The café is located in Hangzhou , which had 120 days of operation last year .
Customer being charged one yuan ( 11p ) extra as an ‘ air-purifying fee ’ Eight air purifiers operate 24 hours a day between two floors . Manager says move will raise awareness about air pollution . Customers said they think fresher air makes their drinks more enjoyable . The café is located in Hangzhou , which had 154 days of smog last year .