Comparisons between forecast results and obser vation data show that the forecast accuracy of SO2 and NO2 in the 14 main cities of Liaoning are higher than th at of PM10.

• 通过模式预报结果与监测资料的对比，发现 辽宁14个主要城市SO2、NO2预报准确率的总体水平明显高于PM10。