What is the warning level of heavy pollution reaching the red warning?

Pollution red warning is to predict serious pollution in the next three days, which is the highest level of early warning response. When the environmental air pollution index reaches more than 300 and lasts for more than 3 days, the red warning will be started.

Introduction:

During this period, the production of key air pollutant emission sources will be restricted and the production of key sewage treatment processes will be stopped. In the urban area, motor vehicles are restricted to single and even numbers, and all construction sites in the urban area are urged to stop construction and close all barbecue shops that produce oil smoke pollution in the urban area.

: countermeasures:

(1) The public should try to travel by public transport and reduce the number of motor vehicles on the road; Stop the engine in time to reduce the idle running time of the vehicle.

(2) Strengthen the implementation of dust control measures in construction sites, exposed ground, material stacking and other places.

(3) Strengthen road cleaning and reduce traffic dust pollution.

(4) Air pollutant discharge units will further improve the use efficiency of air pollution control facilities on the basis of ensuring discharge standards.

(5) Reduce the use of raw materials and products containing volatile organic compounds such as paints, coatings and solvents.

(6) Enterprises and institutions can adopt flexible working methods such as off-peak commuting, off-duty and telecommuting according to air pollution.

References:

Red warning of air pollution? Baidu baike