Updates to LAQM tools

The Air Quality in Scotland website has been updated to include new versions of several LAQM tools. These include:

1. New background maps based on 2021 with projections from 2021 to 2040. The new background maps are available to download from https://www.scottishairquality.scot/data/mapping/data.
2. An updated version of the NO_X to NO₂ Calculator (v9.1), available to download from: https://laqm.defra.gov.uk/air-quality/air-quality-assessment/nox-to-no2-calculator/
3. An updated version of the Emissions Factors Toolkit (EFT v13), available to download from: https://laqm.defra.gov.uk/air-quality/air-quality-assessment/emissions-factors-toolkit/