南方多地今晨能见度不佳局地现特强浓雾 本周中后期寒潮驱散雾和霾

Group 1 - Southern regions of China experienced heavy fog this morning, with visibility in some areas dropping below 50 meters, such as 32 meters in Youxi and 49 meters at Jiuxianshan [1][3] - Air quality issues were reported, with severe pollution in Fuyang, Anhui, and haze conditions in parts of Anhui, Zhejiang, and Hunan [3] - A cold wave is expected to bring strong winds, temperature drops of 6 to 10 degrees Celsius, and localized drops of around 16 degrees Celsius, starting from Xinjiang and moving eastward across the country [3][5] Group 2 - From December 11 to 13, widespread rain and snow are forecasted across central and eastern China, with regions like the Sichuan Basin and southern Jianghan expected to receive light to moderate rain, and parts of Xinjiang and the northeast experiencing light snow or sleet [5] - The cold air mass will improve atmospheric dispersion conditions in North China and the Huanghuai region after December 12, alleviating haze issues [3][5]