Monitoring of long-range transported air pollutants in Norway: Annual Report 2021

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This report presents results from the monitoring of atmospheric composition and deposition of air pollution in 2021.

The report focuses on main components in air and precipitation, particulate and gaseous phase of inorganic constituents, particulate carbonaceous matter, ground level ozone and particulate matter.

The level of pollution in 2021 was generally low with few high episodes.