Wuhan Ecological Environment Monitoring Center of the Provincial Department of The Provincial Department: On the night of the 27th, Wuhan City was cloudy to sunny, the ground was dominated by static wind, the hourly air quality in the urban area was maintained well, and the primary pollutant was PM10 or PM2.5. As of 9 o'clock on the 28th, the urban air quality index was 87, good, and the primary pollutant was PM2.5. At present, some cities in Shanxi, Shandong, Henan, Anhui, Hunan and other places are mild to severe pollution, and the primary pollutant is PM2.5. Jingmen in the province is moderately polluted, Xiangyang, Suizhou, Xiaogan and Jingzhou are mildly polluted, other cities have excellent air quality, and the primary pollutants are mainly PM2.5.
Figure The national air quality was reported in real time at 8 o'clock on October 28, 2021
On the 28th, Wuhan City is a cloudy sunny day, the ground gradually turns into a weak air pressure field control, the northerly wind is weak overall, and today's daytime city will be affected by weak pollution transmission, and the hourly air quality will reach mild and above pollution. It is expected that the daytime air quality will be mildly polluted on the 28th, with the primary pollutant PM2.5; the 28th will be good to mild pollution throughout the day, and the primary pollutant will be PM2.5 or NO2.
On the 29th, Wuhan City was cloudy to cloudy, with short-term light rain in the local area, the ground turned to the east wind, and the wind was weak. The air quality is expected to be good to mild on the 29th, and the primary pollutant is NO2.
From the 30th to the 31st, Wuhan City was sunny to cloudy, the ground was dominated by northerly winds, the wind was weak on the 30th, and the wind was gradually strengthened by the weak cold air from the night of the 31st. It is estimated that the air quality on the 30th and 31st will be good to mild pollution, and the primary pollutants will be NO2.
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)