未来一周淮河以北部分地区或有重度污染

Core Viewpoint - The air quality in Anhui Province is experiencing varying levels of pollution, primarily influenced by meteorological conditions and PM2.5 as the main pollutant [1] Summary by Relevant Sections Air Quality Forecast - On January 21, air quality in northern Anhui and between the Huai River and the Yangtze River was mainly lightly polluted, while the southern Jiangsu region showed good to lightly polluted conditions [1] - On January 22, the air quality in northern Anhui was lightly to moderately polluted, with the main pollutant being PM2.5 [1] Pollution Trends - From January 23 to 27, the atmospheric diffusion conditions worsened, leading to an expected expansion and intensification of pollution [1] - On January 23, northern Anhui experienced moderate to heavy pollution, while the areas between the Huai River and the Yangtze River and southern Jiangsu were lightly to moderately polluted [1] - On January 24, due to easterly winds, northern Anhui and the area between the Huai River and the Yangtze River faced moderate to heavy pollution, while southern Jiangsu remained lightly to moderately polluted [1] - On January 25, the entire province's air quality was lightly to moderately polluted due to sustained easterly winds [1] - On January 26 and 27, alternating weak northwesterly and northeasterly winds continued to result in moderate to heavy pollution in northern Anhui and the area between the Huai River and the Yangtze River, with southern Jiangsu experiencing lightly to moderately polluted conditions [1]