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15 Aug 2018ADMS-Urban Regional Model Link results published for London

'Air quality simulations for London using a coupled regional-to-local modelling system' has been published in the open access journal Atmospheric Chemistry and Physics with authors from CERC, the University of Edinburgh and the Centre for Ecology and Hydrology. The paper describes coupled regional-to-local modelling using the ADMS-Urban Regional Model Link system, alongside results from the underlying EMEP4UK (regional) and ADMS-Urban (local) models. Modelled concentrations of NOx, NO2, O3, PM10, PM2.5 and CO are compared against measurements from 2012 at LAQN monitoring sites, with the coupled system shown to perform well at both background and near-road sites. The paper also describes and assesses the effect of adjusting road traffic NOx and PM emissions to reflect real-world conditions, using stand-alone ADMS-Urban modelling.

Contours of concentration for greater London for the modelling year of 2012 from the coupled model are shown in the figure, overlaid with monitoring data shown by round symbols for near-road sites and square symbols for background sites. The contours have been used to assess areas of exceedence for NO2 and PM2.5 annual average air quality standards. This research was part of the CureAir project, funded by NERC.

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2 Aug 2018Thurrock joins the airTEXT forecasting service

We are delighted to welcome Thurrock Council to the airTEXT air quality and health forecasting service. Thurrock residents can now sign up for free air quality alerts by SMS text message, email, voicemail, and Twitter. The forecasts are also available on a free phone app for Android.

CERC and the Council have worked together to extend the airTEXT service to the council area. airTEXT provides three-day forecasts of NO2, PM10, PM2.5 and ozone at street-scale resolution using CERC's ADMS-Urban modelling system. For more information on airTEXT, ADMS-Urban or forecasting services please contact CERC.

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9 Jul 2018Air quality modelling to support Runnymede's Local Plan

Runnymede Borough Council is preparing a Local Plan to guide development in Runnymede in Surrey, south west of London. The CERC Consultancy team carried out air dispersion modelling using ADMS-Urban to identify the baseline air quality profile across the area and to assess air quality for future scenarios (2030 and 2036), with and without developments associated with the Local Plan in place.

The main source of air pollution in Runnymede is road traffic emissions. The Council has declared two Air Quality Management Areas (AQMAs) due to annual average NO2 concentrations exceeding the Air Quality Objective: along the M25 and in Addlestone town centre.

Modelling for the base year, 2015, showed exceedences of the annual average NO2 Air Quality Objective (AQO) along the M25 and at building façades in Chertsey. In the modelled future scenarios, no exceedences of the AQOs were calculated. This reflects the expected large reduction in NO2 concentrations due to improvements in engine technology, which lead to a fall in traffic exhaust emissions.

The health impact of air quality on health in Runnymede was assessed by calculating the number of attributable deaths and corresponding life-years lost due to concentrations of PM2.5 and NO2. The difference in life years lost with and without the Local Plan in place was very small, reflecting the low concentrations predicted across the Borough.

3 Jul 2018Registration is now open for the ADMS User Group Meetings, 7-8 November 2018, Edinburgh

You can register now for the 2018 User Group Meetings, which will be held in Edinburgh on 7th and 8th November.

  • ADMS 5 User Group Meeting: 7th November
  • ADMS-Urban and ADMS-Roads User Group Meeting: 8th November

These meetings will include the usual mix of presentations by CERC staff and software users and are the ideal opportunity to hear the latest news and advice on new model features. Users with a valid support contract are entitled to one or more delegate places free of charge depending on the type of licence held. Please contact CERC if there is a topic you would like to be covered at one of the meetings or if you would like to give a 'user view' presentation. More details will be published later in the year. Registration will remain open until 29th October 2018.

21 Jun 2018‘Hyperlocal’ air mapping in London with smart sensors and Google Street View cars

The Mayor of London, Sadiq Khan, and C40 - a network of cities committed to bold action on climate change - have launched a cutting-edge new project to better understand Londoners' exposure to air pollution around the city. Sensors measuring harmful pollution in tens of thousands of locations will be combined with air quality modelling to produce hyperlocal air quality mapping.

From July, new fixed and mobile sensors will be rolled out across London's streets. 100 fixed sensors will be fitted to lampposts and buildings in the worst affected areas and sensitive locations, and two dedicated Google Street View cars will be driving across the city, mapping air pollution at an unprecedented level of detail. CERC's renowned ADMS-Urban model will be used together with the sensor data to generate hyper-local air quality mapping both for nowcasts and forecasts, and for policy studies.

The project will be run by a team of air quality experts led by the charity Environmental Defense Fund Europe, in partnership with Air Monitors Ltd., Google Earth Outreach, CERC, University of Cambridge, National Physical Laboratory, and the Environmental Defense Fund team in the United States. The press release gives more information on the project.


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