What does a red haze warning mean?

Modern society is developing faster and faster, and the more industrialized it is, the more serious the air pollution becomes. Haze, is a word that we are not unfamiliar with, so here we will see what a red alert for haze means.

What does a red alert for air pollution mean

Air pollution red alert that is predicted to last for the next three days of serious pollution, is the highest level of warning response. The red alert is activated when the ambient air pollution index reaches 300 or more and lasts for more than 3 days.

Heavy air pollution warning classification

Based on the air quality forecast results, taking into account the degree and duration of air pollution, the air pollution warning is divided into four levels, from light to heavy blue warning (warning four), yellow warning (warning three), orange warning (warning two) and red warning (warning one). (A) blue warning (warning four): heavy air pollution is predicted to last for 1 day (24 hours). (B) yellow warning (warning level three): heavy air pollution is predicted to last for 2 days (48 hours). (C) orange warning (warning two): heavy air pollution is predicted to last for 3 days (72 hours). (D) red warning (warning level): heavy air pollution is predicted to last more than 3 days (72 hours or more).

Haze red warning protective measures

1, remind children, the elderly and respiratory, cardiovascular and cerebrovascular disease patients and other susceptible groups try to stay indoors and avoid outdoor activities. 2, the general population should try to avoid outdoor activities, such as outdoor activities can take appropriate protective measures such as wearing a mask. 3, environmental protection, health and family planning, education and other departments and district and county governments, respectively, in accordance with industry and local management requirements, to strengthen the air pollution emergency, health protection and other aspects of the popular knowledge of science and organization of experts to carry out health protection advice, explain the protection of knowledge. 4, medical and health institutions to strengthen the medical protection of respiratory diseases and emergency duty work.

Haze days of human health care

1. Light diet and drink more water It is advisable to choose a light and easily digestible food rich in vitamins, drink more water, eat more fresh vegetables and fruits, which can not only replenish various vitamins and inorganic salts, but also play a role in moistening the lungs to remove dryness, expectorant and cough, and strengthen the spleen and kidneys. Eat less stimulating food, eat more pears, loquats, oranges, tangerines and other foods to clear the lungs and resolve phlegm. 2. Improve personal hygiene In the hazy weather, go to work or do other things. When you get home, make good personal hygiene in time. 3. Don't wear contact lenses Contact lenses tend to make the cornea lack of oxygen, and in hazy weather, because of the low air pressure, will make the cornea lack of oxygen aggravated, dry eyes and uncomfortable.