THE TREND OF PARTICULATE MATTER (PM10) CONCENTRATIONS IN THE WESTERN PART OF ROMANIA
Particulate matter (PM) is one of the most known air pollutant and is formed as a mixture of solid
particles and liquid droplets. From them, PM10 are the inhalable particles with diameters smaller than 10 micrometers.
Such particles could create seriously health problems for the population as increases the risk of lung cancer and heart
diseases. Due to those effects on the human health, the concentrations of PM10 are monitored as a daily routine by
National Environmental Agency. The present study compare the concentration of PM10 (as has been reported by National
Environmental Agency) during the last three years in the West part of Romania (Timisoara, Arad, Satu Mare and Bihor
County). For all county the medium concentrations are under their legal limits (40 μg/m3) with very few exceptions. The
highest concentrations have been found in winter due to heating and higher transport fluxes. The maximum concentrations
are higher than the daily legal limits (50 μg/m3) mainly in Arad probably due to the high traffic. Anyway, compare with
the European trend, the daily concentration limit have been overtaken very few times (less than ten).
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