air quality assessment Articles

  • Cumulative Air Quality Impact Assessments - A Case Study

    Introduction Deregulation across the country has resulted in the proposal of hundreds of new power plants within the last several years.  Each power plant, individually, is required to demonstrate conformance with state and federal air quality regulations.  However, there is still a great deal of public concern over the combined or cumulative impact that all of these proposed ...


    By Trinity Consultants

  • Air quality monitoring and assessment programme for Botswana

    An Air Pollution Monitoring and Surveillance Program (BAQMAP) is being developed, installed and tested for Botswana. The project is funded partly by NORAD and partly by the Botswana Government.  The project is undertaken in a co-operation between Norwegian Institute for Air Research (NILU) in Norway and Department of Mines (DoM) in Botswana. NILU shall provide professional assistance in the ...

  • Air quality assessment in Bologna by an urban dispersion model

    An urban dispersion model (ADMS?Urban) was run to calculate PM10 and NO2 concentration during a one-year period, on a district of Bologna, Italy. Moreover, the exposure of 333 children was estimated using model outputs corrected with observations. The model was able to correctly simulate the long-term statistical properties of roadside observed concentrations (such as annual mean and frequency ...


    By Inderscience Publishers

  • Air quality assessment in the EU: room for improvement?

    Different modelling approaches are used to design and assess air quality plans across Europe. This study assessed the strengths and weaknesses of these different approaches. The researchers conclude that a large variety of models is in use, without a preferred or standard model having emerged yet. They identify integrating local-scale and large-scale models and verifying models with measurements ...

  • Criteria for the assessment of air quality levels in homogeneous areas

    A methodology is proposed for the appraisal of the data to confront with air quality limits. The methodology assesses air quality levels on the basis of mean values calculated as an average of all data collected in homogeneous areas, from monitoring stations located in sites not conditioned from local sources emissions. The resulting value represents the air quality of the area better than a ...


    By Inderscience Publishers

  • Towards uncertainty mapping in air-quality modelling and assessment

    The aim of this paper is to promote the use of uncertainty mapping when spatial assessments of air quality are made. A large number of air quality maps are produced for scientific and policy purposes but rarely are corresponding maps of their uncertainty included. The need for such maps and the methods to produce them are described. Several uncertainty parameters are discussed but it is ...


    By Inderscience Publishers

  • An integrated perspective on assessing agricultural air quality

    The biogeochemical cycling of trace gases (e.g. nitrogen, sulphur, etc.), and contaminants on local, regional, and global scales is a complex system of emissions, transformations, transport, and deposition. To date, limited, if any, attempt has been made on quantifying and identifying direct emissions of gaseous sulphur compounds from agricultural operations. This represents a major regulatory ...


    By Inderscience Publishers

  • Dispersion models and air quality data for population exposure assessment to air pollution

    Evaluating the extent of exposure to chemicals in absence of continuous measurements of their concentration in air and direct measures of personal exposure is crucial for epidemiological studies. Dispersion models can be a useful tool for reproducing spatio-temporal distribution of contaminants emitted by a specific source. However, they cannot easily be applied to short-term epidemiological ...


    By Inderscience Publishers

  • Simultaneous determination of PM fractions, particle number and particle size distribution in high time resolution applying one and the same optical measurement technique

    Abstract The Fidas fine dust monitoring systems comprise an optical aerosol spectrometer, which is characterized by very good instrument characteristics, and utilize a sophisticated approach to convert the measured information on particle number and particle size into mass concentrations. As monitoring of PM requires reliable and quality-controlled performance of the measuring systems, ...


    By Palas GmbH

  • 5 Tips for Building Your Company EHS Culture in a Low-Risk Environment

    Environment, health and safety (EHS) programs can do more for your company than simply checking off compliance boxes. EHS can also be an integral part of your company’s culture, demonstrating to employees that their happiness, health and safety is a priority—leading to more productivity and a more proactive approach to minimizing risk. Even in low risk environments, like offices or ...


    By Antea Group - USA

  • Urban Air Quality Management

    ' Poor air quality due to pollution is a serious environmental problem in most urban areas. The greatest burden of pollution is on human health. Urban air quality management requires an integrated approach that (i) identifies the most serious problems and measures that offer cost-effective and feasible solutions across a range of economic sectors and pollution sources including industries, ...


    By The World Bank

  • Improving air quality in the office

    Most people spend the main part of their day indoors – in the home, school or office environment. Focusing specifically on improving air quality in the office and workplace setting, we are looking at the key potential sources of pollution which impact upon air quality and employees’ health. Examples include, outdoor air (particularly relevant if the workplace is next to a busy road), ...


    By Commercial Air Filtration

  • Air quality modelling as a supplementary assessment method in the framework of the European Air Quality Directive

    According to the European Air Quality (AQ) Directive, member states must annually report their AQ to the European Commission (EC). This report can be based on modelling data if the concentration levels do not exceed the established lower assessment thresholds (LAT), or on combined data from modelling and monitoring systems (supplementary assessment methods) if concentrations levels are below the ...


    By Inderscience Publishers

  • Assessment of ambient air quality in Bishnumati corridor, Kathmandu metropolis

    The Kathmandu valley urban area is growing as a metropolis. Bishnumati corridor in Kathmandu valley is is a target of increased pollution. The unabated solid waste land-filling on either side of the river-bank and animal slaughter houses and biological waste arising from these activities, busy commercial and high residential density characterize the corridor. Six areas, namely Teku Dovan, ...

  • Application of the MELPUFF model to air quality assessment in the industrial area of Huelva (Spain)

    The mesoscale Lagrangian puff dispersion model (MELPUFF) has been used in air quality assessment in the area of Huelva. The Huelva area is highly industrialised and it is located on the Atlantic coast of southern Spain. The MELPUFF model was applied to obtain monthly-averaged distributions of SO2 and number of probable exceedances per month of the EU air quality standards. The study period ...


    By Inderscience Publishers

  • Combination of measured and modelling data in air quality assessment in Spain

    This paper describes a methodology to combine measurements from air quality stations and estimates from the CHIMERE model for air quality assessment in Spain. The methodology consists of using linear regression and kriging interpolation to correct the model results, improving the fit to the observations. It was separately applied to rural and urban conditions, giving rise to maps for each case, ...


    By Inderscience Publishers

  • Uncertainty analysis of modelling studies included in air quality assessments

    This paper deals with the development of a quality analysis/quality control (QA/QC) methodology for modelling studies associated with air quality assessments. Among other benefits, this will allow data quality objectives for model input data to be derived and the importance of policy oriented model applications to be assessed. The procedure for evaluating model uncertainty has profited from a ...


    By Inderscience Publishers

  • Using ADMS models for Air Quality Assessment and Management in China

    Many cities and regions are undertaking studies of air quality in cities to determine both the current state of the environment and the effect of future economic and environmental strategies in order to manage local air quality. Often these studies are driven by legislation such as the European Union requirement to model agglomerations or the Chinese requirements to study air quality capacity and ...

  • Application of a long-range transport model for the assessment of air quality on a local scale

    The simple statistical air pollution transport model called UGEM (the University of Greenwich Evaluation Model) has been developed to evaluate medium-range transport and deposition of acidic pollutants (sulphur, nitrogen) from all sources of emissions in the UK and to estimate their average annual deposition and concentrations throughout the UK. It has been tested for sulphur and nitrogen oxides ...


    By Inderscience Publishers

  • Better air quality for the people of Cyprus

    The Minister of Labour and Social Insurance of the Republic of Cyprus, Antonis Vasiliou, today opened a comprehensive system for air quality management in Cyprus. The system, developed by the Norwegian Institute for Air Research (NILU), gives the Cyprian authorities an advanced tool for the monitoring, assessment and management of air pollution in ...

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