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28 Nov 2018ADMS 5.2.4 patch released

There is a new version of ADMS 5 available, which is a minor update to version 5.2. The new release includes the latest versions of AERMOD (18081), AERMAP (18081) and AERMET (18081) as released by the US-EPA. View the readme document for further details about the update. Current users should login to the User Area to download the patch. This patch can be applied to ADMS 5.2, 5.2.1 or 5.2.2.


20 Nov 2018Training the Croatian Meteorological and Hydrological Service

In October CERC expert consultants spent two weeks in Zagreb (Croatia) training six specialists from the Croatian Meteorological and Hydrological Service (DHMZ) in the use of CERC's air quality software.

During the first week the focus was on urban and regional modelling, using CERC's ADMS-Urban. CERC's EMIT was also introduced as a comprehensive tool for collating and editing data for use in ADMS-Urban. The delegates from the DHMZ had experience of regional modelling and were interested in using CERC's Regional Model Link to 'nest' the high-resolution ADMS-Urban model in a regional domain, for instance in and around the city of Zagreb.

The team at DHMZ were also interested in industrial and puff modelling. Hence, some time was spent learning about ADMS 5 and its applications, such as how to carry out an industrial study. ADMS-Puff was introduced as a tool to model finite duration releases.

This dedicated two-week training visit was a highly productive opportunity to present several CERC air quality models together, modelling at different scales on a local, urban and regional basis. If you are interested in CERC's training courses please visit our website or contact us.


8 Nov 2018Detailed ADMS-Urban modelling for Greater Manchester's Clean Air Plan

Greater Manchester is developing a Clean Air Plan to tackle illegally high levels of roadside air pollution across the city-region. They have carried out detailed modelling with CERC's ADMS-Urban software, which is widely used for developing and testing policy and action plans for air quality improvement. The modelling identified 152 stretches of road likely to have levels of NO2 in breach of legal limits beyond 2020 if no action is taken (i.e. annual average above 40 μg/m3). An interactive map shows which stretches of road are affected.

To develop the Clean Air Plan, Greater Manchester is considering a wide range of measures that could help reduce roadside NO2 levels. The final Clean Air Plan will include a combination of interventions from a shortlist of 14 potential measures including retrofitting public transport and local authority fleets, increasing use of alternative fuels and electric vehicles, and Clean Air Zones. No decision has been taken yet on which of these measures will be included in the final Greater Manchester Clean Air Plan. The Greater Manchester Clean Air Plan Business Case is required to be submitted to Government by 31 December 2018.

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5 Nov 2018Modelling future air quality scenarios for the fast-expanding smart city of Cambridge (UK)

Over the next three years, the CERC consultancy team will be working closely with Cambridge City Council and the Greater Cambridge Partnership (GCP) on initiatives to improve or maintain existing good air quality whilst managing sustainable growth for Greater Cambridge.

CERC will use EMIT and ADMS-Urban to compile an emissions inventory and model baseline and future air quality across the GCP area. We will apply source apportionment techniques to quantify the relative contribution of different sources of emissions to air, thus guiding proposals for effective interventions.

Road traffic emissions are the main source of air pollution in Cambridge. In 2004, the City Council declared an Air Quality Management Area (AQMA) covering the central part of the city (see figure). Expected traffic growth could worsen air quality, so a key aim of the GCP is to propose a range of measures to tackle congestion and air quality issues.

CERC will assess proposed transport interventions by comparing the future baseline and future intervention scenarios, to inform the GCP of the effectiveness of different schemes.

Potential interventions include: Clean Air Zone options; changing to electric buses and taxis; altering bus routes; encouraging modal shift, e.g. car to bike; closing roads and road charging schemes.

25 Oct 20182000 health centres in areas exceeding WHO air quality guidelines

New analysis by the British Lung Foundation (BLF), and Cambridge Environmental Research Consultants (CERC), has revealed that more than 2,000 health centres in Great Britain, including major teaching hospitals, children's hospitals, clinics and doctor's surgeries are in areas which exceed recommended air pollution guidelines. Specifically, these health centres are in areas with average levels of fine particulate matter (PM2.5) that are above the guideline recommended by the World Health Organisation (WHO) (10μg/m3 for the annual average).

CERC's analysis is based on predicted annual average PM2.5 data for 2018 published by the UK Government. These data have a spatial resolution of 1km x 1km and therefore represent 'background' levels of PM2.5. These data give an indication of expected PM2.5 levels at sufficient resolution to provide good evidence; however they do not capture hyperlocal spatial variations in PM2.5 levels caused by road traffic.

Postcodes for 1,457 hospitals and 8,532 doctor's surgeries in England, Scotland and Wales were extracted from the NHS digital database. (Northern Ireland was excluded from the scope of this research as NHS Digital does not contain postcodes for hospitals in Northern Ireland.) CERC found that 2,220 doctor's surgeries and 248 hospitals are in areas that exceed the WHO guideline.

In their report 'Toxic Air at the Door of the NHS' BLF are calling for the Government to put in place the right measures to ensure that no one breathes unsafe air, and to adopt the World Health Organisation's recommended guideline into UK law through the upcoming Environment Bill.

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