Average light extinction (1/Mm) of the major aerosol chemical components in 20% best, middle 60% and 20% worst days based on data available during the year of 1997-2002

Location Data Rayleigh Sulfate Nitrate OMC LAC Soil CM Aerosol Ext Bext Visual Range (Km) Deciview
GRSA1 20% Best 10.00 2.77 0.71 1.90 0.73 0.42 1.19 7.72 17.72 220.13 5.72
GRSA1 Middle 60% 10.00 5.29 1.16 3.63 1.09 0.82 2.60 14.58 24.58 158.64 9.00
GRSA1 20% Worst 10.00 8.13 2.05 7.04 1.82 2.39 6.79 28.23 38.23 102.03 13.41
GRSA1 Average 10.00 5.38 1.25 3.99 1.17 1.06 3.18 16.03 26.03 149.80 9.57

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 the year of 1997-2002

Location Data Sulfate Nitrate OMC LAC Soil CM PM2.5
GRSA1 20% Best 0.43 0.11 0.48 0.07 0.42 1.99 1.55
GRSA1 Middle 60% 0.85 0.18 0.91 0.11 0.82 4.34 3.05
GRSA1 20% Worst 1.34 0.33 1.76 0.18 2.39 11.31 6.68
GRSA1 Average 0.87 0.20 1.00 0.12 1.06 5.31 3.50