Indicator air

Heavy metal emissions

Heavy metals are extremely toxic to humans and animals. They become increasingly concentrated in the food chain (bio-accumulation) and lessen the fertility of soil. Lead (Pb), in particular, impairs the formation of blood cells and interferes with normal child development; cadmium (Cd) in its bio-available form is carcinogenic and toxic to plants and microorganisms; mercury (Hg) is toxic to humans, plants and microorganisms. Heavy metals are formed in waste incineration, when scrap metal is melted down, through tyre abrasion in road transport, and in corrosion protection work.

Heavy metal emissions 2023: 9.88 Heavy metal emissions 2022: 10.4 Heavy metal emissions 2021: 10.6 Heavy metal emissions 2020: 9.87 Heavy metal emissions 2019: 10.2 Heavy metal emissions 2018: 10.8 Heavy metal emissions 2017: 11.5 Heavy metal emissions 2016: 11.4 Heavy metal emissions 2015: 11.9 Heavy metal emissions 2014: 13.5 Heavy metal emissions 2013: 13.6 Heavy metal emissions 2012: 14.5 Heavy metal emissions 2011: 15.8 Heavy metal emissions 2010: 16.2 Heavy metal emissions 2009: 17.6 Heavy metal emissions 2008: 18.3 Heavy metal emissions 2007: 19.9 Heavy metal emissions 2006: 20.7 Heavy metal emissions 2005: 22.2 Heavy metal emissions 2004: 24 Heavy metal emissions 2003: 25.5 Heavy metal emissions 2002: 28.8 Heavy metal emissions 2001: 32.6 Heavy metal emissions 2000: 38.7 Heavy metal emissions 1999: 58.4 Heavy metal emissions 1998: 93.2 Heavy metal emissions 1997: 132 Heavy metal emissions 1996: 147 Heavy metal emissions 1995: 168 Heavy metal emissions 1994: 223 Heavy metal emissions 1993: 255 Heavy metal emissions 1992: 296 Heavy metal emissions 1991: 328 Heavy metal emissions 1990: 357

Data for the graph: Excel
Source: FOEN
Method

Emissions are determined by multiplying the annual human activity rates by pollutant-specific emission factors. Data are gathered by means of surveys, modelling and calculations.

 
Last updated on: 02.05.2025

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