Abstract
Based on the statistical model of atmospheric aerosol, regression equations are derived for the values of the aerosol extinction ɛ a (λ) and backscattering βπa (λ) coefficients at wavelengths of 355, 532, and 1064 nm. The equations were tested using experimental and calculated AERONET data. The efficiency of the equations is estimated with the use of algorithms for retrieving the profiles of backscattering coefficients from the data of the three-frequency lidar sensing of the atmosphere via numerical experiments. A method of finding the volume concentration of the aerosol particles H 2.5 and H 10 corresponding to the standards for the mass concentrations of PM2.5 and PM10 is proposed based on the same stated multiple correlation between these characteristics and βπa (λ).
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