Aerosol Angstrom Exponent (Daily)

Temporal coverage: 4 September 1997 - 8 February 2000; 1 January 2010 - 30 January 2010; 1 December 2010

Aerosol Angstrom Exponent (Monthly)

Temporal coverage: October 1997 - April 2004; January - December 2010

Aerosol Optical Thickness 550nm (Daily)

Temporal coverage: 4 September 1997 - 25 November 1997; 1 January 2010 - 30 January 2010; 1 December 2010

Aerosol Optical Thickness 550nm (Monthly)

Temporal coverage: October 1997 - May 1999; January - December 2010