About the website 

This is the website for the UK's National Atmospheric Emissions Inventory (NAEI). The NAEI is funded by DECC, Defra, The Welsh Government, The Scottish Government and The Department of Environment, Northern Ireland. The NAEI compiles estimates of emissions to the atmosphere from UK sources such as cars, trucks, power stations and industrial plant. These emissions are estimated to help to find ways of reducing the impact of human activities on the environment and our health.

Contacting the NAEI team

The NAEI helpline phone number appears at the bottom of each page (01235 75 3046), and this is charged at national rate with an out of hours answerphone.

Alternatively you can email the NAEI team at air.emissions@ricardo-aea.com.

Using Our Website and Licensing

Information on naei.defra.gov.uk  is published by Defra, DECC and the Devolved Administrations under the Open Government Licence (OGL) and subject to the terms described in the "licence" or "constraints" of the OGL, except where otherwise noted.  Under the OGL you are free to:

  • copy, publish, distribute and transmit the information
  • adapt the information
  • exploit the information commercially and non-commercially for example, by combining it with other information, or by including it in your own product or application

You must, where you do any of the above, acknowledge Defra, DECC and naei.defra.gov.uk as the source of the information by including the following attribution statement in reports, web pages or derived data products and, where possible, provide a link to the OGL licence.

© Crown 2014 copyright Defra & DECC via naei.defra.gov.uk, licenced under the Open Government Licence (OGL).

The data and information made available through on this website is subject to Crown copyright protection unless otherwise indicated. Read the Crown copyright page for more information. See also https://www.gov.uk/support/terms-conditions.

This website is maintained and hosted by Ricardo-AEA (with support from Aether) on behalf of Defra, DECC and the Devolved Administrations.

Page last modified: 04 September 2013