[1] G Esposito, A Ianniello, F Spataro et al. Atmospheric Chemistry and Physics Discussions, 11, 17127(2011).

[2] M Hu, J Slanina, J Wu Z et al. Atmospheric Environment, 42, 6310(2008).

[3] L Gong, J Griffin R, R Lewicki et al. Atmospheric Environment, 77, 893(2013).

[4] C Bozzetti, J Huang R, Y Zhang et al. Nature, 514, 218(2014).

[5] U Dragosits, A Sutton M, S Tang Y et al. Atmospheric Environment, 34, 855(2000).

[6] A Datta, T Saud, K Sharma S et al. Journal of Environmental Sciences, 22, 1023(2010).

[7] A Datta, T Saud, K Sharma S et al. Environ. Monit. Assess, 162, 225(2010).

[8] K Mandal T, Saraswati, K Sharma S. Meteorology and Atmospheric Physics, 130, 241(2017).

[9] M Jiang X, L Lin W, Y Meng Z et al. Atmospheric Chemistry and Physics, 11, 6139(2011).

[10] J Evans G, Q Hu, L Zhang et al. Atmospheric Environment, 99, 365(2014).

[11] Q Hu, X Yao, L Zhang et al. Atmospheric Environment, 80, 499(2013).

[12] J Hu Q, L Teng X, M Zhang L et al. Environmental Science & Technology, 51, 6839(2017).

[14] D Baer, M Gupta, B Leen J et al. American Laboratory, 44, 20(2012).

[15] G Anderson J, L Lapson, B Paul J. Applied Optics, 40, 4904(2001).

[16] B Dong H, M Hu, M Zeng L et al. Atmospheric Chemistry and Physics, 12, 10519(2012).

[17] F Braban C, D Famulari, K von Bobrutzki et al. Atmospheric Measurement Techniques, 3, 91(2010).

[18] J Cao J, C Chow J, T Zhang et al. Aerosol and Air Quality Research, 9, 277(2009).

[19] J Liu X, L Shen J, H Tang A et al. Environ. Pollut, 157, 3106(2009).

[20] M Pandolfi, C Reche, M Viana et al. Atmospheric Environment, 57, 153(2012).

[21] P George M, Saraswati, K Sharma S et al. MAPAN, 34, 55(2018).

[22] T Cheng M, C Lin Y, Y Ting W et al. Atmospheric Environment, 40, 4725(2006).

[23] A Blatter, M Fahrni, R Hesterberg et al. Environmental Pollution, 91, 21(1996).

[24] I Trebs. Journal of Geophysical Research, 110, 18(2005).

[25] Hernandez M D Andres, D Kartal, L Reichert et al. Atmospheric Chemistry and Physics, 10, 3047(2010).

[26] H Cadle S, J Countess R, A Kelly N. Atmospheric Environment, 16, 2501(1982).

[27] M Catrambone, Bucchianico A D M Di, C Perrino et al. Atmospheric Environment, 36, 5385(2002).