Document Status
Current
Supplement
Sustainability, Environment, Development & Planning
Abstract
Explains how to use the Impact Pathways Approach (IPA) to assess the impact on air quality of a policy or project. Covers: description, step 1: estimating emission changes, step 2: dispersion modelling, step 3: assessing impact pathways and step 4: valuation.
History
Last updated: 16 December 2025 update. Sourced from: https://www.gov.uk/government/publications/assess-the-impact-of-air-quality/air-quality-appraisal-impact-pathways-approach and converted to pdf. Whilst we endeavour to capture all updates it is subject to receiving alerts from the publisher and there may be formatting or punctuation changes applied to the html version that do not affect the text. Document type: guidance. First published: 17 March 2020.
Subjects
- Waste planning
- Planning and development
- Other planning disciplines
- Pollution control
Publisher History
The Department for Environment, Food and Rural Affairs is a UK Government department. They are committed to tackling climate change by reducing greenhouse gas emissions, and work to secure a healthy, resilient, productive and diverse natural environment. This work has formerly been carried out by the Department of the Environment, Transport and the Regions, the Ministry of Agriculture, Fisheries and Food and the Department of the Environment.