Air pollution - Drivers and pressures (Romania)

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Emission trends
Published: 26 Nov 2010 Modified: 21 Mar 2015
Key message

trends of transport in 2008, Annual Report on the State of the Environment in Romania 2008, energy sector, agriculture, industry and tourism

The most important determinants of air quality trends are population, industries, transport activity, and the energy sector.

Demographic characteristics – the total number of inhabitants, density and age structure – play a key role in the stateof the environment. Consumptiondetermines the need for resources, goods and services, directly influencing the pressures on the environment.

On 1 January 2008 Romania had 21 528 627 inhabitants, 55.15 % of whom lived in urban areas, corresponding to an average of 90 308 inhabitants/km2.

The transport systems for freightand passengers include: road, rail,inland waterways, sea, air, non-motorisedtransport and special types of transport – through pipelinesand air electric transport.

The trends of transport and actions developed for reducing transport emissions are presented in the Annual Report on the State of the Environment in Romania,2008,(

The energy sector is a major contributor to environmental degradation in Romania, as a result of the use of lignite in power stations.Pollution results f rom the production of primary energy, transport, conversion and consumption. The sector contributes to atmospheric emissions of significant quantities of sulphur dioxide, carbon monoxide, carbon dioxide, nitrogen oxides, small particles, as well as residual water discharge.

The reduction of the impact of energy systems on the environment and implementation of the standardsimposed by EUregulations are to be accomplished through: rehabilitation and modernisationof plant, ecologic restoration of cinder yards and ash dumps, continuous monitoring of environmental quality aroundmajor energy installations, rehabilitation of polluted soils and their return to agricultural use, reduction of emissions of pollutants from refineries, reduction of leaks and spills in some oil regions through the reduction of operating risks, and ecologic restoration.

            The relevant activities in the energy sector are presented in the Annual Report on the State of the Environment in Romania, 2008, (

            The pressures on the environment generated by agriculture, industry and tourism are presented in the Annual Report on the State of the Environment in Romania,2008,  (

Evaluationof the impactsof atmospheric pollutants onthe environment requires the identificationand quantification theirpotential effects.In order to better understand these impacts, this is done by estimating the emissions of pollutants – inventory, measurements, etc. –and monitoring air quality in order to assessthe effects of the emissions on humanhealth and ecosystems.


The trends of emissions of atmospheric pollutants


Emissions of sulphur dioxide, corresponding to 2008 are characterized by a decrease of over 2.31% compared to 2007, the most important decrease of over 17.64% compared to 2007 being recorded mainly in the "Combustion in manufacturing industries", a dominant sector as share of national SO2 emission.Other significant decreases compared with 2007 were in the "Waste treatment and disposal" (30.08%) and "Non-industrial combustion plants” (6.05%) sectors. Increases have been registered in “Road transport” sector (8.32%), and in "Other mobile sources and machinery” (%) (Figure 6.).

In the last years, the NOX emissions have been characterized by a descending trend, a feature mainly sustained by the modernization of the industrial installations and renewal of the national car fleet, the NOx emission decreases comparative to 2007 is of 4.52%.In 2008, the national NOx emissions have reached the value of 294.985 t. The sectors that represented slight increases in 2008 are "Combustion in manufacturing industry" by 15.56% and "Other mobile sources and machinery" by 9.63%. These increases have been balanced by reductions of NOx emissions in sectors such as:"Road transport” (20.28%), "Production processes" (1.42%) and “Combustion in energy and transformation industries (2.23%) (Figure 7.).

Ammonia emissions have increased during the period 2002 - 2005, reaching the peak of 204.284 t in 2005. Starting this year, the evolution trend of NH3 emissions is decreasing and for the year 2008 a value of 186.561 t was registered. The largest amount of ammonia emissions come from "Agriculture" (90.58% of national total).The other sources are the “Production processes”, having a share of 0.54% (16.352 t), and “Waste treatment and disposal” (8.42%).Small quantities are generated by the emissions directly from soil, “Road transport”, “Non-industrial combustion plants” and “Combustions in manufacturing industry”, all these sources having a contribution of 1.15 % to the national ammonia emissions (figure 8).

The evolution of the NMVOC organic compound emissions is characterized by a decrease of 3.75% in 2008 compared to 2007. In 2008 the NMVOC emissions at national level were of 448.877t. The main volatile organic compounds emission sources are:"Non-industrial combustion plants” (30.23%), “Agriculture” (17.94%),  “Road transport" (15.51%), "Solvents and other products use" (15.42%), "Extraction and distribution of fossil fuels” (12.21%).And "Production processes" (5.46%) (Figure 9.).




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