air pollution Articles

  • Air quality interventions and spatial dynamics of air pollution in Delhi and its surroundings

    The paper examines the spatial distribution of air pollution in response to recent air quality regulations in Delhi, India. Air pollution was monitored at 113 sites spread across Delhi and its surrounding areas from July?December 2003. From the analysis of these data three important findings emerge. First, air pollution levels in Delhi and its surroundings were significantly higher than that ...


    By Inderscience Publishers

  • California Air Resources Board (CARB) places higher restrictions on air pollution

    As part of the California Global Warming Solutions Act (AB 32) the Air Resources Board (ARB) has approved an early action measure to reduce high-global warming potential (GWP) greenhouse gas (GHGs) emissions by establishing new legislation and defining requirements related to improved monitoring of AC/HVAC systems, enforcement of regulations, reporting of refrigerant usage, and recovery, ...


    By Verisae

  • Effects of meteorological conditions on concentration of air pollutants in Delhi

    Air pollution in Delhi is a serious environmental problem. In this paper, the effects of meteorological conditions on local air quality are quantitatively assessed by determining the relationships between concentrations of Suspended Particulate Matter (SPM), Respirable Suspended Particulate Matter (RSPM), sulphur dioxide (SO2) and nitrogen dioxide (NO2) with meteorological parameters on monthly ...


    By Inderscience Publishers

  • Air pollution modelling, sensitivity analysis and parallel implementation

    A new approach for Sensitivity Analysis (SA) in the field of air pollution modelling is proposed and applied to the Unified Danish Eulerian Model (UNI-DEM), a large-scale air pollution model. The SA requires numerous model experiments with different values of the studied parameters. By simultaneous variation of these parameters we produce a set of multidimensional discrete functions. These huge ...


    By Inderscience Publishers

  • Integrated maximum efficiency air pollution control system

    A major uranium refiner required an air pollution control system to control emissions from their hazardous incinerator. The presence of radioactive material demanded that outlet emissions approach non-detectable levels. Macrotek was contracted to design and supply the system. Advanced, cutting edge technology was used to design a system with the lowest possible emissions, which has been ...


    By Macrotek Inc.

  • State of the art of air pollution models, needs and trends

    This paper summarises the results of the investigations within task MA3-2 carried out by the European Topic Centre on Air Quality. The main aim of this task is to describe the state of the art of air pollution models, with special emphasis on needs for model application and trends in model development. From the results it can be inferred to what extent the needs are met by available models and ...


    By Inderscience Publishers

  • Air pollution impacts brain development before birth

    A study published today (Mar 25, 2015) in JAMA Psychology outlines the negative impacts of prenatal exposure to air pollutants on childhood brain development. Researchers at the ...


    By Ensia

  • Assessment of air pollution in the conurbation of Munich: present and future

    Traffic emissions have a severe impact to the environment with all its socio-economic consequences in urban conglomerations. Traffic emissions will still increase in the future, whereas other categories of emissions will decrease within the next years. Numerical simulations are a useful tool to assess the effect of different emissions on the regional air quality of primary and secondary ...


    By Inderscience Publishers

  • Different splitting techniques with application to air pollution models

    Splitting techniques are commonly used when large-scale models, which appear in different fields of science and engineering, are treated numerically. Four types of splitting procedures are defined and discussed. The problem of the choice of a splitting procedure is investigated. Several numerical tests, by which the influence of the splitting errors on the accuracy of the results is studied, are ...


    By Inderscience Publishers

  • Modelling of air pollution in the area of Algiers City, Algeria

    Algiers is the political and economic capital of Algeria. The city drains a large part of the activities of the country with intense road traffic. This road traffic is the main source of air pollution, followed by industry and waste combustion. An application of the new road traffic emission model, called EMISENS, is performed to build road traffic emission inventories for the Algiers region. ...


    By Inderscience Publishers

  • Operational short-range analytical air pollution modelling

    Operational models that use solutions of the advection-diffusion equation based on more realistic assumptions than that of homogeneous wind and eddy diffusivity coefficients are presented. In particular, these solutions accept that wind and eddy diffusivity profiles are power functions of the height. Moreover, a practical short-range model evaluating ground-level concentrations from elevated ...


    By Inderscience Publishers

  • Some air pollution indicators in city of Tirana, Albania

    The problematic of the stable development is very wide. Recognition of ecological aspects of stable development composes a guarantee of health in ecosystems and especially for the community. The monitoring of the air that is carried out in Tirana shows that the most important polluters continue to be the total dust LGS and respiratory dust PM 10. The average quantity of lead in the monitored air ...


    By Inderscience Publishers

  • Air quality Monitors Track Pollution Hot-Spots

    Situated in the south west of Wales, in a largely rural area bordering the Brecon Beacons, Carmarthenshire’s air quality is predominantly good. However, there are areas of concern where major roads pass through some of the County’s larger towns, including Llanelli, Carmarthen and Llandeilo, where air quality is dominated by the effects of road traffic. The County Council is therefore ...


    By Air Monitors Ltd.

  • Concentrations of air pollutants constant despite drop in emissions

    Concentrations of ozone and particulate matter, two harmful airborne pollutants, have not improved since 1997 despite substantial cuts in emissions of air pollutants across Europe, says a new EEA report where Norwegian Institute for Air Research (NILU) has co-ordinated and are editor ...

  • Selections from the history of environmental pollution, with special attention to air pollution. Part 1.

    Several comprehensive publications have been issued recently on the environmental pollution of past times (e.g. Tylecote, 1976; Nriagu, 1983a; Brimblecombe, 1987a; Goldstein, 1988; Healy, 1988; Brimblecombe and Pfister, 1990; Hughes, 1993; Markham, 1994; Brimblecombe, 1995; Karatzas, 2000, 2001; McNeill, 2001; Meszaros, 2001). The aim of this study is to give an overview of information on the ...


    By Inderscience Publishers

  • Air Pollution levels measured in Egypt exceed air quality limit values

    EEAA/EIMP operates presently about 40 measurement sites for air pollution in Egypt. Measurements inside urban areas and close to industrial sources have occasionally recorded air pollution levels exceeding the Air Quality Limit values as given by Environmental Law no. 4 for ...

  • 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

  • Metrics Matter: Conflicting Air Quality Rankings from Different Indices of Air Pollution

    Comparisons of air quality policies involve numerous considerations such as cost, health, effects on vegetation and materials, and aesthetics. Such assessments require difficult scientific and value judgments. These difficulties can also characterize comparisons that consider only physical and chemical air quality indices. We compare ambient tropospheric ozone concentrations from a baseline ...

  • Air pollution forecast in Portugal: a demand from the new air quality framework directive

    This work aims at developing and validating a numerical air quality operational forecasting system that will be applied over Portugal. The CHIMERE model was chosen for the chemistry-transport simulation using the meteorological parameters supplied by the MM5 mesoscale meteorological model, forced by the AVN/NCEP global forecasts. An experiment of 48-hour real-time forecast simulations was ...


    By Inderscience Publishers

  • Air pollution from electricity-generating large combustion plants

    The study was initiated in the context of the review of the Integrated Pollution Prevention and Control (IPPC) Directive. This report presents the results of a study that assesses the theoretical potential to reduce air emissions of SO2 and NOX that might have occurred had the best available techniques (BAT) and associated emission levels (AELs), as described in the large combustion plant ...

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