What is the meaning of the three-level response to heavy polluted weather in Zibo?

In response to the ten measures for air pollution prevention and control in the State Council, the meteorological department organized the early warning of heavy pollution weather, and the China Meteorological Bureau is scheduled to officially carry out the forecast of meteorological conditions of air pollution and the early warning of heavy pollution weather on September 1 day. What kind of meteorological service is this, what kind of information can ordinary people get, and what reference value does it have for their own lives?

In daily life, people often hear the word AQI. Air quality index (air quality)

The index (AQI for short) * * * is divided into six levels, from first-class excellent, second-class good and third-class light pollution to fifth-class heavy pollution and sixth-class heavy pollution. The pollutants monitored include sulfur dioxide, nitrogen dioxide, carbon monoxide, ozone, PM 10 and PM2.5 * * *. The grade standard of meteorological condition forecast of air pollution is consistent with the grade standard of air quality index (AQI), which is divided into six grades. It is clear whether the influence of meteorological conditions on air pollution is beneficial to the diffusion and removal of pollutants or not. The specific forecast level is shown in the following figure:

For people, what is more instructive in daily life is the warning signal and defense guide of heavy pollution weather issued by China Meteorological Bureau. The warning signals of heavily polluted weather are divided into three levels, which are represented by yellow, orange and red respectively, corresponding to moderately polluted weather, heavily polluted weather and extremely heavily polluted weather at the forecast level respectively.

Yellow warning of heavy pollution weather: It is predicted that the meteorological conditions of air pollution in the next 24 hours will not be conducive to the dilution, diffusion and removal of air pollutants, and moderate pollution weather will occur.

Defense guide:

1. In case of air pollution, appropriate protection can be taken;

2. The general population should moderately reduce outdoor activities, and children, the elderly and susceptible people should reduce going out.

Orange Warning of Heavy Pollution Weather: It is predicted that the meteorological conditions of air pollution in the next 24 hours are not conducive to the dilution, diffusion and removal of air pollutants, and heavy pollution weather will occur.

Defense guide:

1. The air pollution is serious and personnel need proper protection;

2. The general population should reduce or stop outdoor activities, and children, the elderly and susceptible people should stay indoors as much as possible.

Red Warning of Heavy Pollution Weather: It is predicted that the meteorological conditions of air pollution in the next 24 hours will be extremely unfavorable to the dilution, diffusion and removal of air pollutants, and extremely heavy pollution weather will occur.

Defense guide:

1. The air pollution is serious, and the protection should be strengthened;

2. The general population should avoid outdoor activities, and children, the elderly and susceptible people should stay indoors, reducing or suspending outdoor large-scale activities such as open-air competitions;

3. The government and relevant departments shall take corresponding measures to control pollutant discharge according to their duties.

4. It is suggested to reduce travel or travel by public transport, reduce the number of cars driving on the road, and drivers should drive carefully;

5. Airports, expressways, ferry terminals and other units should strengthen traffic management to ensure safety.