(CCTV Financial “First Time”) Currently, the northern part of my country is entering the peak spring pollen dispersal period. The National Health Commission and the China Meteorological Administration jointly published tips for the pollen concentration prediction service. From April 1 to 7, most of the north of my country will experience sunny to cloudy weather, which will increase the appearance and spread of pollen.南方的降水将在一定程度上有助于减少花粉的传播。 Specifically, from April 1 to 3, pollen concentrations reached high levels (level 4) in most of northern China, most of Shandong Province, western Henan Province, and south-central Shaanxi Province, and pollen concentrations reached very high levels (level 5) in some areas. From April 4 to 5, pollen concentrations reached high levels (level 4) in mostareas, including northern China and the provinces of Shandong, Henan and Shaanxi, and very high levels (level 5) in some areas.主要过敏原春天的n是木本植物的花粉。 Patients with obvious symptoms of hay fever are advised to seek medical attention immediately and receive standard treatment. Chen Hui, deputy director of the Public Meteorological Service Center of China Meteorological Bureau: The national pollen concentration prediction service notice released this time is based on the interaction of pollen concentration monitoring at the national and provincial levels. It organically combines numerical forecast models and subjective forecast corrections, compensates for problems such as spatio-temporal discontinuities in previous forecast products, and helps government departments, medical institutions and the public prepare appropriate preventive measures in advance according to thepollen concentration levels.