今年入春以来,我国北方地区天气晴朗、光照充足、气温偏高,而且冷空气活动活跃,造成十分频繁和强烈的大风天气。特别是3-4月,大风引发了10余次不同强度的沙尘天气,严重影响到北京、天津等地的正常社会生活和环境质量,引起了党中央、国务院、全国人大和广大群众的高度重视。国家 Since the beginning of spring this year, the weather in northern China is sunny with plenty of light and temperatures are high, and cold air activities are active, resulting in very frequent and intense winds. Especially from March to April, the gale triggered more than 10 dust weather with different intensities, seriously affecting the normal social life and environmental quality in places like Beijing and Tianjin, arousing the high levels of the Central Party Committee, the State Council, the NPC and the broad masses of the people Pay attention. country