London Olympics has become one of the cleanest because of wet weather

A group of scientists involved in the UK research project on long-term monitoring of the atmosphere in London, measured the levels of air pollution and soil for the last 2 years. In an attempt to establish the laws of air pollution and to predict future changes in the conditions we measured the levels of carbon monoxide, nitrogen oxide and ozone (the key indicators of pollution), as well as harmful aerosol particles and other chemicals in the atmosphere.

London Olympics has become one of the cleanest because of wet weather

Early results have shown that the prevalence of extended periods of low atmospheric pressure, characteristic of the UK for most of the summer, contributed to the pollution carried away from the capital to the sea. Clear warm weather, typical of high atmospheric pressure, does not promote the scattering of air pollution. The low-pressure air over London did exceptionally clean for the summer. Appeared in the capital during the day in the evening air pollution is carried away out of the city in different directions, depending on the wind. All athletes at the Olympic Games have benefited from similar climatic prediction.
Upon completion of this study, the researchers combined expect that will be able to more accurately predict changes in air quality in London, as well as a deeper understanding of the mechanisms of influence of air masses on air pollution. More accurate predictions of air pollution will reduce the known harmful effects on public health of the city. The Olympic Games provided a unique data, since the level of vehicle traffic in the city at this time, monitored and calculated. The combination of measurements included in the city and out of the city with ground measurements of air pollution in London itself to determine how much pollution there is in air masses as they pass through the capital.

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