On the first day of 2017 in Beijing pollution climbed as high as 24 times the level recommended by the World Health Organization
Millions in China rang in the New Year shrouded in a thick blanket of toxic smog, causing road closures and flight cancellations as 24 cities issued alerts that will last through much of the week.
On the first day of 2017 in Beijing, concentrations of tiny particles that penetrate deep into the lungs climbed as high as 24 times levels recommended by the World Health Organization. More than 100 flights were cancelled and all intercity buses were halted at the capitals airport.
In the neighbouring port city of Tianjin, more than 300 flights were cancelled while the weather forecast warned thick smog will persist until 5 January. All of the citys highways were also shut as low visibility made driving hazardous, effectively trapping residents.
Across northern China 24 cities issued red alerts on Friday and Saturday, while orange alerts persisted in 21 cities through the New Year holiday. A red alert is the highest level of a four-tier warning system introduced as part of Chinas high-profile war on pollution.
Decades of economic development have made acrid air a common occurrence in nearly all major Chinese cities, with government-owned coal burning power stations and heating plants and steel manufacturing concentrated in northern provinces the main source of pollution.