Sentences with phrase «of nitrogen dioxide»

High levels of nitrogen dioxide shorten lives, by increasing the risk of heart attacks, strokes and respiratory disorders.

This molecular combination could only happen one of two ways, the more common of which requires the presence of nitrogen dioxide.

European Union limits demand that maximum hourly concentrations of nitrogen dioxide, which is mostly caused by road traffic in towns and cities, are not exceeded for more than 18 hours a year.

Levels of nitrogen dioxide in European city air rose throughout the 2000s but seem to have reached a peak in 2010 — suggesting Europe might get cleaner air sooner than expected

Emissions of nitrogen dioxide in homes with gas stoves exceed the Environmental Protection Agency's definition of clean air in an estimated 55 percent to 70 percent of those homes, according to one model; a quarter of them have air quality worse than the worst recorded smog (nitrogen dioxide) event in London.

Humic acid in ice: Photo - enhanced conversion of nitrogen dioxide into nitrous acid.

Induced conversion of nitrogen dioxide into nitrous acid on submicron humic acid aerosol.

It is a map of nitrogen dioxide (NO2) pollution in the congestion charging zone, put together by Assembly Member Jenny Jones.

Levels of nitrogen dioxide fell by...

But a comparison of the congestion charges in London and Stockholm suggests the schemes only achieve this if they drive down the amount of nitrogen dioxide belched into city air by vehicles.

Gentle heating produces oxygen alone, while stronger heating drives off red - brown fumes of nitrogen dioxide and oxygen.

Hot on the heels of the Unicef publication was a Guardian exclusive report which revealed 802 UK schools, nurseries and colleges — out of 3,261 — are located within 150 metres of areas where levels of nitrogen dioxide breach EU legal limits.

Power plant showing the release of toxic emissions According to the CPCB (Central Pollution Control Board), almost four - fifth of the nitrogen dioxide and 95 % of the sulphur dioxide in Delhi's air originates from power plants (especially the Badarpur power plant as it is thelargest source within the boundaries of Delhi) and industries.

Here is a comparison of nitrogen dioxide particles:

At the end of the study, children who lived in neighborhoods with the highest concentrations of nitrogen dioxide and particulates had experienced greater declines in insulin sensitivity and had signs of impaired pancreatic beta cells, which produce insulin.

Emissions of nitrogen dioxide and sulfur dioxide, the main sources of acid rain pollution, also fell by 38 percent and 14 percent, respectively.

Essex County has some of the highest levels of nitrogen dioxide in the country.

More automobiles on the road and more factories at the roadside mean greater levels of nitrogen dioxide and other potentially harmful pollutants.

Levels of nitrogen dioxide, which is linked to premature deaths and respiratory problems, were found at extremely high levels on roads connecting to the site of Johnson's planned Silvertown river crossing between East and SE London.

The risk of developing asthma was associated with increases in the levels of nitrogen dioxide and carbon monoxide found in traffic - related air pollution.

Among the most important info ESA has provided is data on levels of nitrogen dioxide (NO2) in the atmosphere.

The data were collected by air pollution monitoring campaigns, and included levels of nitrogen dioxide (a prominent air pollutant caused by traffic and cigarette smoking), coarse particles, and fine particles.

The average residential levels of nitrogen dioxide were right at the safe limit.

The case concerns levels of nitrogen dioxide, an invisible gas produced mainly by road traffic.

European Union rules set a maximum hourly concentration of nitrogen dioxide, which, in towns and cities, mainly comes from road traffic.

Over the next three days the flock will fly about doing their pigeon things, but will do so wearing teeny - tiny fabric vests which fit comfortably on their chests and measure levels of nitrogen dioxide and ozone, the main gases behind harmful urban air pollution, Twitter explains:

The city already had relatively low levels of nitrogen dioxide and fine particulates, pollutants from car exhaust that can damage lungs and exacerbate asthma.

Coal is also behind 85 % of China's sulphur dioxide emissions, 67 % of its nitrogen dioxide emissions, 80 % of its carbon dioxide emissions, and creates 25 % of China's waste water.