Wuhan Ecological Environment Monitoring Center of the Provincial Department: On the night of the 30th, Wuhan City was cloudy, the ground continued to be still windy, and the accumulation of local pollution emissions by the weak transmission in the province in the early stage was still continuous, and the urban hourly AQI was mildly polluted, the index peak reached 122, which was lower than the previous night peak of 139, and the primary pollutant was PM2.5. As of 9 o'clock on the 31st, the urban air quality index was 114, light pollution, and the primary pollutant was PM2.5. At present, most cities in Shandong and southern Hebei are moderate to severely polluted; individual cities in northern Henan, northern Anhui, eastern Hunan, Jiangsu, Anhui, Zhejiang, Heilongjiang and other cities are mildly polluted, with PM2.5 as the primary pollutant; and some areas in Xinjiang as mild pollution, with PM10 as the primary pollutant. Wuhan and Xiangyang in the province are mildly polluted, while other cities have excellent air quality, with PM2.5 as the primary pollutant.
Figure The national air quality was reported in real time at 8 o'clock on October 31, 2021
During the day on the 31st, Wuhan City was cloudy, with local fog, the ground was northerly windy, and the wind was 2 to 3. In the afternoon, as the boundary layer rises, the air quality may improve. It is expected that the air quality will be good during the day on the 31st, with pm2.5 as the primary pollutant, and as good to mild pollution throughout the day on the 31st, the primary pollutant will be PM2.5.
On November 1, Wuhan City was cloudy to cloudy, there was a short period of light rain at night, the ground was northerly wind level 3, affected by weak cold air going south, in the afternoon our city or will appear a new regional pollution transmission process, the air quality deteriorated. The air quality throughout the day is expected to be mildly polluted, with the primary pollutant pm2.5.
On November 2, Wuhan city was cloudy to cloudy, there was a short period of light rain, the ground was northerly wind 2 to 3, and the pollution process will continue. Air quality throughout the day is expected to be mild to moderate pollution, with the primary pollutant pm2.5.
On November 3, Wuhan turned cloudy and light rainy, and the ground was easterly at 2 to 3 levels. The air quality throughout the day is expected to be mildly polluted, with the primary pollutant pm2.5.
Health tips: In sand and dust weather, pollutants can directly produce different degrees of irritation symptoms or allergic reactions to the human body through mucosal tissues such as eyes, nose and throat and skin. Dust particles can also enter the human body through the respiratory tract, causing a variety of respiratory diseases. The elderly, children, pregnant women, people with respiratory and cardiovascular diseases are sensitive groups. In sandy weather, sensitive people should try to avoid going out, and if chronic cough accompanied by sputum or shortness of breath, episodic wheezing and chest pain, they need to seek medical attention as soon as possible. People who must be outdoors due to occupational needs, such as traffic police, sanitation workers, construction workers, etc., should take personal protective measures.
When sand and dust weather occurs, residents should try to stay indoors and take corresponding measures:
(1) Close the doors and windows in time, and if necessary, you can seal the doors and windows with adhesive strips to prevent sand and dust from entering the room. (2) Wet dust cleaning methods such as wet mopping cloth mopping the floor and wiping with wet rags are used to keep the room clean and clean and avoid the re-suspension of indoor dust. (3) Humidifiers, sprinklers and other methods can be used to maintain suitable air humidity. (4) Conditional indoor open air purifier.
If you need to go out, you should pay attention to personal protection:
(1) Wear a mask to reduce the damage caused by wind and sand to the respiratory tract. Dust weather will be both floating dust, inhalable particles and fine particles, it is advisable to wear N95 and above protective masks. (2) Can wear windproof glasses to avoid wind and sand damage to the eyes, if the wind and sand into the eyes do not rub by hand, should be rinsed with flowing water or eye drops as soon as possible, if there is still no adaptation to timely medical treatment. (3) Wear hats, scarves and other dust-proof appliances, surround the head with a scarf, and avoid damage to the skin, hair, ears, etc. caused by wind and sand. (4) When you go out, you should wash your hands and face immediately, rinse your mouth with clean water, clean your nasal cavity, take a bath if you have the conditions, and change your clothes in time to keep your body clean and comfortable.
In addition, when the sand and dust weather, the air is dry, easy to appear cleft lips, nose, throat dry itching, etc., should drink more water, eat more vitamin-rich vegetables and fruits, keep the respiratory tract unobstructed and moist, alleviate the discomfort of the throat. (Reporter Li Huan, correspondent Yu Haitao)