Are there many catkins and catkins in Laishan District, Yantai?

There are not many. Catkins are the seeds of willow trees. They have white fluff on them and fly like catkins in the wind, so they are called catkins. Willow: a tree, up to 18m high, with a loose crown. The bark is gray-black, with irregular cracks; the branches are thin, drooping, and hairless. Buds linear, apex acute. The leaves are narrow-lanceolate, 9 to 16 cm long, 0.5 to 1.5 cm wide, with a long acuminate apex, a wedge-shaped base, and serrated edges; the petiole is 5 to 10 mm long, pubescent; the stipules are only born on the germination branches.

Meteorological experts said that dry, high temperature, sufficient light, low humidity, and certain wind speeds can easily cause catkins to scatter. On sunny days, catkins are usually flying from 10 a.m. to 16 p.m. In the morning and evening, as the temperature decreases and the wind force decreases, the catkins will fly less. The season when catkins are flying all over the sky is the season when all kinds of allergic symptoms are most common.

Generally speaking, similar to pollen, the most common allergic reactions caused by catkins are skin itching and redness of the conjunctiva. In severe cases, it can cause edema, such as red and swollen eyes and lips. When catkins are inhaled into the nasal cavity, they can cause strong irritation, runny nose, coughing and asthma, and in severe cases can affect sleep quality. People with allergies may cause respiratory edema. In severe cases, it may cause laryngeal edema and the possibility of suffocation.

In daily life, you should pay attention to:

1. Try to go out less on windy days and try to avoid places with flying catkins. If you go out, you should wear a mask to cover your mouth and nose. After returning home, you need to wash your exposed skin in time, and clean your nasal cavity if possible; change clothes when entering indoors, and do not bring external allergens home.

2. It is not recommended to keep windows open for a long time during catkins flying season. You can use an air purifier more often. The air purifier has a filtering effect on impurities in the air, including flying catkins.

3. If lint gets into your eyes, you must not rub it with your hands. Rinse it with clean running water or wipe it with a sterilized cotton swab.

4. Once allergies occur, be sure to eat less spicy food, more fruits, and an appropriate amount of anti-allergic vitamin C.