ArticleOriginal scientific text
Title
Evaluation of relationship between air pollutant concentration and meteorological elements in winter months
Authors 1, 1, 2, 1
Affiliations
- Wrocław University of Environmental and Life Sciences, Institute of Environmental Development and Protection, pl. Grunwaldzki 24, 50-363 Wrocław, Poland
- Wrocław University of Environmental and Life Sciences, Institute of Environmental Engineering, pl. Grunwaldzki 24, 50-363 Wrocław, Poland
Abstract
The paper presents the evaluation of the relation between meteorological elements and air pollutants’ concentrations.
The analysis includes daily concentrations of pollutants and variation of meteorological elements
such as wind speed, air temperature and relative humidity, precipitation and total radiation at four monitoring
stations located in the province of Lower Silesia in individual months of the winter half-year (November–April,
according to hydrological year classification) of 2005–2009. Data on air quality and meteorological elements
came from the results of research conducted in the automatic net of air pollution monitoring conducted in the
range of the State Environment Monitoring. The effect of meteorological elements on analysed pollutant concentration
was determined using the correlation and regression analysis at significance level α < 0.05. The occurrence
of maximum concentration of NO, NO2, NOX, SO2 and PM10 occurred in the coldest months during winter
season (January, February and December) confirmed the strong influence of “low emission” on air quality.
Among the meteorological factors assessed wind speed was most often selected component in step wise regression
procedure, then air temperature, less air relative humidity and solar radiation. In the case of a larger number
of variables describing the pollution in the atmosphere, in all analyzed winter seasons the most common set of
meteorological elements were wind speed and air temperature.
Keywords
atmospheric pollutants, meteorological parameters, stepwise regression, winter season
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