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Acid Rain: Monitoring

Asked by Mr Angus MacDonaldLiberal DemocratDepartment for Environment, Food and Rural AffairsTabled Answered 21 October 2025UIN 82633

The question

To ask the Secretary of State for Environment, Food and Rural Affairs, what monitoring networks her Department supports to measure acid deposition.

Answered by Emma Hardy

The Precipitation Network (Precip-Net) measures the chemical composition of rainwater at 48 UK sites. Acid air pollutants measured include ammonium, nitrates and sulphates. More information can be found here.

It is part of the umbrella UKEAP (UK Eutrophying and Acidifying Pollutants) Network which also measures airborne concentrations of pollutants that lead to acidification and nitrogen deposition.

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