Based on data of OMI NO2 column densities provided by tropospheric emission monitoring network(TEMIS) and the support of ENVI and ArcGIS technology platforms,temporal and spatial distribution characteristics of tropospheric NO2 vertical column density in Hebei province from 2005 to 2012 were studied. The results showed that tropospheric NO2 vertical column density values in autumn and winter in Hebei Province were significantly higher than those in spring and summer. The highest NO2 value appeared in winter,while the lowest one appeared in summer. The tropospheric NO2 vertical column density in Hebei province had an increasing trend from 2005 to 2012 and the NO2 value reached the maximum in 2011. The spatial distribution of tropospheric NO2 vertical column density in Hebei Province was not balanced with a decreasing trend from southeast to northwest. The climate characteristics and the increasing number of motor vehicles in Hebei Province made the largest contribution to the spatial and temporal distribution and the increase of local tropospheric NO2 vertical column densities.%利用对流层排放监测网（TEMIS)提供的OMI NO2浓度数据，应用ENVI和ArcGIS等技术平台开展河北省2005-2012年对流层NO2垂直柱浓度的时空分布特征的研究。结果表明，河北省对流层NO2垂直柱浓度值在秋、冬季明显高于春、夏季，冬季最高，夏季最低。2005-2012年河北省对流层NO2垂直柱浓度呈逐年增加的趋势，2011年达到最高值。河北省NO2垂直柱浓度值空间分布不平衡，呈现出由东南向西北递减的趋势。河北省的气候特点和日益增长的机动车数量对河北省对流层NO2垂直柱浓度时空分布及持续增加贡献最大。
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