Daily OMI tropospheric NO2 (air pollution) measurements over The Netherlands and Western Europe

Tropospheric NO2 (air pollution) over The Netherlands and Western Europe (last 24 hours)
The Netherlands and Western Europe air pollution (last 24 hours)

Today's satellite air quality measurements are available around 15:00 hours GMT for Europe. OMI (on the EOS-Aura satellite) passes over Europe around 12:45 hours (GMT) and it takes another 2-2.5 hours before the data are available here. The most recent air quality measurements can be viewed in Google Earth. The TEMIS web site contains a limited archive of air quality and air pollution Google Earth files.

Daily OMI tropospheric NO2 (air pollution) measurements over other regions in the world
Also available on the TEMIS web site.

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An AURA of Success

Date: 15 07 2014

On the 10th anniversary of the launch of NASA's Aura spacecraft, NASA's Earth Observatory features 10 examples of how the satellite has changed our view of dust, pollution, aerosols, and ozone in our atmosphere.

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Put a Lid on It

Date: 27 06 2014

In 1998, the U.S. Environmental Protection Agency (EPA) called on 22 eastern states to develop plans to significantly reduce emissions of nitrogen oxides (NOx), a group of highly reactive gases released by combustion engines, electric power plants, and a range of industrial activities. NOx is a precursor to ozone, while nitrogen dioxide has some harmful health effects. In 2005, the EPA issued the Clean Air Interstate Rule, a regulation that encouraged states to use a cap-and-trade system to further reduce emissions of NOx.

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A clearer view of hazy skies

Date: 14 06 2014

When astronauts talk about viewing Earth from space, the conversation often turns to the planet's mesmerizing beauty. They describe views of aquamarine coral reefs glimmering amidst the deep blue ocean; of armies of sand dunes marching across deserts; of clouds and lightning flashes dancing through the atmosphere

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Artic Ozone in Spring

Date: 08 06 2014

Though Earth's ozone layer has been depleted over the past four decades by chlorofluorocarbons (CFCs) and similar chemical compounds, the changes are expressed differently at the North and South Pole. While a large ozone hole forms consistently every year over Antarctica, the concentration of Arctic ozone is much more variable. The differences occur because the weather patterns are very different.

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Artic Ozone in Spring

Date: 15 03 2014

Though Earth's ozone layer has been depleted over the past four decades by chlorofluorocarbons (CFCs) and similar chemical compounds, the changes are expressed differently at the North and South Pole. While a large ozone hole forms consistently every year over Antarctica, the concentration of Arctic ozone is much more variable. The differences occur because the weather patterns are very different.

Read more ...



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