Average light extinction (1/Mm) and percentage contributions to the aerosol light extinction (Bep) 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 Sulfate Nitrate OMC LAC Soil CM Aerosol Ext   Sulfate% Nitrate% OMC% LAC% Soil% CM%
IKBA1 20% Best 2.80 1.07 1.98 0.96 0.38 1.24 8.44   33.2% 12.7% 23.5% 11.4% 4.6% 14.7%
IKBA1 Middle 60% 5.48 2.02 3.74 1.47 1.13 3.02 16.86   32.5% 12.0% 22.2% 8.7% 6.7% 17.9%
IKBA1 20% Worst 7.86 3.34 6.12 1.98 2.63 6.54 28.48   27.6% 11.7% 21.5% 7.0% 9.2% 23.0%
IKBA1 Average 5.44 2.10 3.88 1.47 1.30 3.40 17.60   30.9% 12.0% 22.1% 8.4% 7.4% 19.3%