Convention on long-range transboundary air pollution. UN/ECE international co-operative programme on effects on materials, including historic and cultural monuments. Trend exposure programme 2011 – 2012. Environmental data report October 2011 to December 2012.

This report presents the ICP Materials database for the period October 2011-December 2012. It includes environmental data from the ICP Materials trend exposure programme for 2011 - 2012. The database consists of meteorological data (T and RH), and pollution data as gas concentrations, amounts of ions in precipitation, particle concentration and amount of particle deposition.