Sentence examples for levels of particles from inspiring English sources

Over the course of a year, Chinese pollution averages 10 to 15percentt of allowable levels of particles.

"Unless the European commission and governments establish strict test procedures to protect the industry from its own short-sightedness, within a few years we will see continuing high levels of particles killing hundreds of thousands of citizens prematurely".

The study found significant links between the levels of particles in the air, as shown in the colour ratios of the Tate works, and the time series.

These particles are dense enough that, at maximum levels during the spring, they account at higher altitudes for a fifth or more of the maximum levels of particles allowed by the latest federal air quality standards.

According to studies by the World Health Organization, 12 of the 15 cities with the highest levels of particles in the atmosphere, and six of the cities with the highest levels of sulfur dioxide, are in Asia.

Levels of particles in the atmosphere, the air pollution that has the most serious impact on public health, are rising in almost all Asian cities. Urban transport is the main cause of air pollution in most tropical and subtropical Asian cities.

The algorithm's performance declines somewhat for high solids concentrations and high levels of particle attrition.

The association says that while air quality is improving nationally, four in 10 Americans live in counties that have unhealthy levels of particle or ozone pollution.

"...Research into the health risks of 65,000 women over age 50 found that those who lived in areas with higher levels of particle pollution faced a much greater risk of dying from heart disease than had been previously estimated.

Women and people who lived in urban and densely populated counties benefited the most". Another study of six U.S. cities from 1974 to 2009 estimated that about 34,000 premature deaths a year could be prevented by reducing annual levels of particle pollution.

So high, in fact, that Westchester County, along with the rest of the metropolitan region, ranks the fourth worst in the nation for dangerous levels of particle pollution and seventh worst for ozone, according to a report released in September by the United States Public Interest Research Group.