Methods applied in Germany for discontinuous and continuous measurement of atmospheric pollution are described. The regulations of the Air Pollution Abatement Commission of VDI and DIN are listed as well as the type-tested instruments available for continuous measurement, and the results of type testing are presented. Legal regulations are described, i.e. the Federal Act on Protection against Nuisances, the Clean Air Technical Guide, the 4th General Administrative Rgulation, the smog ordinances of the Laender, and EC and BMFT regulations. Further chapters describe quality assurance of air pollution measurements, the planning of measurements and the evaluation, judgement (on the basis of limiting values) and documentation of results. (orig.)...