摘要:PM2.5的精确预测对空气质量评估和大气污染防治工作起着关键性作用.由于PM2.5浓度受多种因素影响,不同时间段内变化模式存在较大差异,将序列分时段可以提高预测精确度。根据2015年黄石市市区PM2.5日均浓度变化特征,建立了分时段ARIMA模型,进而对黄石市PM2.5浓度进行深入分析及可靠预测。
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