Abstract

The Dutch National Air Quality Monitoring Network is operational since 1976. This report presents an overview of the measurement sites and the availability of data from the sites for the period 1977-1990 as far as available in the automated data base of the laboratory for Air Research. Overviews are presented for the following components [in brackets the starting year of the monitoring activity is geven]: - gaseous components: CO [1977], NOx 1977], O3 [1977] and SO2 [1976 ; - aerosols etc.: black smoke 1987], acidifying compounds [1987], metals [1987], tsp [1987 ; - chemical composition of precipitation: bulk components [1978], microcomponents [1983 ; - meteorological parameters: global radiation [1977], temperature [1987], wind direction [1977], wind speed [1977].