Oxidant data collection in OECD-Europe 1985-87 (OXIDATE). Report on ozone, nitrogen dioxide and peroxyacetyl nitrate, October 1985- March 1986 and April-September 1986.

The report summarizes hourly data from 36 regional measurement stations in 11 countries. Ozone data is given for 34 stations, nitrogen dioxide data for nine stations and PAN data for three stations. Extreme values, monthly mean concentrations, frequency distributions, diurnal concentration variations and back trajectory sector distributions are given together with a brief discussion of oxidant episodes.