Dr. Hui Liu is a Full Professor in the field of Artificial Intelligence, Smart Cities and Smart Energy at Central South University (CSU), China. Prof. Liu is the director of Institute of Artificial Intelligence and Robotics at CSU. He received double Ph.D degrees from Central South University (China) in 2011 and University of Rostock (Germany) in 2013, respectively. He received habilitation degree from University of Rostock in 2016. He was appointed as the BMBF junior group leader by the Ministry of Education and Research of Germany at University of Rostock since January, 2015 until December 2016.Dr. Yanfei Li is an Associate Professor in the field of Artificial Intelligence, Smart Agriculture and Smart Energy at Hunan Agricultural University (HAU), China. Prof. Li is the director of Institute of Artificial Intelligence at HAU. She received Ph.D degree from University of Rostock (Germany) in 2014 then worked as a postdoctoral fellow at University of Rostock in 2015.Dr. Zhu Duan is an assistant researcher in the field of Data Science at Central South University. Dr. Duan focuses on the research of time series prediction. He was selected as the Postdoctoral Fellowship Program of CPSF and Xiaohe Science and Technology Talent of Hunan Province in China.

• Chapter 1 Introduction.- Chapter 2 Data preprocessing in air quality monitoring.- Chapter 3 Data decomposition in air quality monitoring.- Chapter 4 Data identification in air quality monitoring.- Chapter 5 Data preprocessing in air quality monitoring.- Chapter 6 Data forecasting in air quality monitoring.- Chapter 7 Data interpolation in air quality monitoring.

Dr. Hui Liu is a Full Professor in the field of Artificial Intelligence, Smart Cities and Smart Energy at Central South University (CSU), China. Prof. Liu is the director of Institute of Artificial Intelligence and Robotics at CSU. He received double Ph.D degrees from Central South University (China) in 2011 and University of Rostock (Germany) in 2013, respectively. He received habilitation degree from University of Rostock in 2016. He was appointed as the BMBF junior group leader by the Ministry of Education and Research of Germany at University of Rostock since January, 2015 until December 2016.Dr. Yanfei Li is an Associate Professor in the field of Artificial Intelligence, Smart Agriculture and Smart Energy at Hunan Agricultural University (HAU), China. Prof. Li is the director of Institute of Artificial Intelligence at HAU. She received Ph.D degree from University of Rostock (Germany) in 2014 then worked as a postdoctoral fellow at University of Rostock in 2015.Dr. Zhu Duan is an assistant researcher in the field of Data Science at Central South University. Dr. Duan focuses on the research of time series prediction. He was selected as the Postdoctoral Fellowship Program of CPSF and Xiaohe Science and Technology Talent of Hunan Province in China.

• Chapter 1 Introduction.- Chapter 2 Data preprocessing in air quality monitoring.- Chapter 3 Data decomposition in air quality monitoring.- Chapter 4 Data identification in air quality monitoring.- Chapter 5 Data preprocessing in air quality monitoring.- Chapter 6 Data forecasting in air quality monitoring.- Chapter 7 Data interpolation in air quality monitoring.

Dr. Hui Liu is a Full Professor in the field of Artificial Intelligence, Smart Cities and Smart Energy at Central South University (CSU), China. Prof. Liu is the director of Institute of Artificial Intelligence and Robotics at CSU. He received double Ph.D degrees from Central South University (China) in 2011 and University of Rostock (Germany) in 2013, respectively. He received habilitation degree from University of Rostock in 2016. He was appointed as the BMBF junior group leader by the Ministry of Education and Research of Germany at University of Rostock since January, 2015 until December 2016.Dr. Yanfei Li is an Associate Professor in the field of Artificial Intelligence, Smart Agriculture and Smart Energy at Hunan Agricultural University (HAU), China. Prof. Li is the director of Institute of Artificial Intelligence at HAU. She received Ph.D degree from University of Rostock (Germany) in 2014 then worked as a postdoctoral fellow at University of Rostock in 2015.Dr. Zhu Duan is an assistant researcher in the field of Data Science at Central South University. Dr. Duan focuses on the research of time series prediction. He was selected as the Postdoctoral Fellowship Program of CPSF and Xiaohe Science and Technology Talent of Hunan Province in China.

• Chapter 1 Introduction.- Chapter 2 Data preprocessing in air quality monitoring.- Chapter 3 Data decomposition in air quality monitoring.- Chapter 4 Data identification in air quality monitoring.- Chapter 5 Data preprocessing in air quality monitoring.- Chapter 6 Data forecasting in air quality monitoring.- Chapter 7 Data interpolation in air quality monitoring.