A method for active or passive sampling of particles and gas phase organic and non-organic components in a fluid flow (4) is disclosed, wherein said method comprises the step in which a sampling device comprising a first denuder device (1), a filter device (3), and a second denuder device (2), arranged in axial direction in a series in said order, is provided at a measurement spot, wherein the first denuder device (1) and the second denuder device (2) each is hollow and contains surfaces provided with a hydrophobic and/or a hydrophilic sorbent, or said second denuder device (2) contains a packing of hydrophobic and/or hydrophilic sorbent particles, as well as a sampling device used in said method.