Average light extinction coefficients (1/Mm) of the major aerosol chemical components in 20% best, middle 60% and 20% worst days based on data available during 2002-2004

Location Data Rayleigh Sulfate Nitrate OMC LAC Soil Sea Salt CM Aerosol Ext Bext Visual Range (Km) Deciview
SAMA1 20% Best 11.00 18.15 2.55 4.60 1.51 0.55 0.57 2.33 30.25 41.25 97.78 14.03
SAMA1 Middle 60% 11.00 42.64 4.21 9.51 3.25 0.71 0.75 2.56 63.63 74.63 54.89 19.86
SAMA1 20% Worst 11.00 93.81 4.33 25.97 5.83 0.81 0.22 2.44 133.42 144.42 28.29 26.47
SAMA1 Average 11.00 48.33 3.91 11.92 3.44 0.70 0.61 2.49 71.39 82.39 57.84 20.07

Mass concentrations of the major aerosol chemical components and PM2.5  (mg/m3) in 20% best, middle 60% and 20% worst days based on data available during 2002-2004

Location Data Sulfate Nitrate OMC LAC Soil Sea Salt CM PM2.5
SAMA1 20% Best 1.83 0.25 1.48 0.15 0.55 0.08 3.88 4.20
SAMA1 Middle 60% 4.19 0.42 2.80 0.33 0.71 0.11 4.27 8.25
SAMA1 20% Worst 8.22 0.44 5.98 0.58 0.81 0.03 4.06 16.58
SAMA1 Average 4.55 0.39 3.19 0.34 0.70 0.09 4.15 9.16