Dioxin contamination levels in the atmosphere of urban and rural areas in various European countries (European Commission DG Environment, 1999)

Contamination level in air (fg/m3)
Rural areas
Great Britain (1991–1996)1–24
Germany (1992)25–70
Urban areas
England (1991–1996)0–810
Germany (1992)70–350
Belgium (1993)86–129
Netherlands (1991–1993)4–99
Austria (1996)26–314

From: Dioxins in the environment: What are the health risks?

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