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c7cde3f99dbec85c1eb0d7191b69ae63
2011-08-01 09:00:00

The EPA on Thursday proposed new standards to reduce harmful air pollution caused from oil and gas drilling operations, including the first standard for wells that are hydraulically fractured.

2011-07-28 15:20:00

HARRISBURG, Pa., July 28, 2011 /PRNewswire-USNewswire/ -- The Department of Environmental Protection and its regional air quality partnership have forecast an air quality action day for Friday, July 29, in the Susquehanna Valley region. On air quality action days, young children, the elderly and those with respiratory problems, such as asthma, emphysema and bronchitis, are especially vulnerable to the effects of air pollution and should limit outdoor activities. The air quality forecast...

2011-07-28 10:00:00

WASHINGTON, July 28, 2011 /PRNewswire-USNewswire/ -- The American Lung Association has released a television advertisement today in an effort to thwart Congressional attempts to weaken the Clean Air Act.

2011-07-22 15:21:00

ALBANY, N.Y., July 22, 2011 /PRNewswire/ -- The New York State Department of Transportation (NYSDOT) announced that Saturday, July 23 is an Air Quality Action Day, a day when air quality will be unhealthy, especially for sensitive individuals, such as children, seniors and people with asthma and other respiratory ailments, due to forecasted high levels of ground-level ozone pollution.

2011-07-21 14:19:00

HARRISBURG, Pa., July 21, 2011 /PRNewswire-USNewswire/ -- The Department of Environmental Protection and its regional air quality partnerships have forecast an air quality action day for Friday, July 22, in the Pittsburgh, Liberty-Clairton, Philadelphia, Susquehanna Valley and Lehigh Valley regions. On air quality action days, young children, the elderly and those with respiratory problems, such as asthma, emphysema and bronchitis, are especially vulnerable to the effects of air pollution and...

2011-07-21 16:10:00

ALBANY, N.Y., July 21, 2011 /PRNewswire/ -- The New York State Department of Transportation (NYSDOT) announced that Friday, July 22 is an Air Quality Action Day, a day when air quality will be unhealthy, especially for sensitive individuals, such as children, seniors and people with asthma and other respiratory ailments, due to forecasted high levels of ground-level ozone and particulate matter (PM) pollution.

2011-07-20 16:20:00

ALBANY, N.Y., July 20, 2011 /PRNewswire/ -- The New York State Department of Transportation (NYSDOT) announced that Thursday, July 21 is an Air Quality Action Day, a day when air quality will be unhealthy, especially for sensitive individuals, such as children, seniors and people with asthma and other respiratory ailments, due to forecasted high levels of ground-level ozone pollution.

2011-07-19 15:39:00

HARRISBURG, Pa., July 19, 2011 /PRNewswire-USNewswire/ -- The Department of Environmental Protection and its regional air quality partnerships have forecast an air quality action day for Wednesday, July 20, in the Pittsburgh, Philadelphia and Susquehanna Valley regions. On air quality action days, young children, the elderly and those with respiratory problems, such as asthma, emphysema and bronchitis, are especially vulnerable to the effects of air pollution and should limit outdoor...

2011-07-18 09:42:00

ALBANY, N.Y., July 18, 2011 /PRNewswire/ -- The New York State Department of Transportation (NYSDOT) announced that Monday, July 18 is an Air Quality Action Day, a day when air quality will be unhealthy, especially for sensitive individuals, such as children, seniors and people with asthma and other respiratory ailments, due to forecasted high levels of ground-level ozone pollution.

c472925c38d1867e83918e46f121ad44
2011-07-16 08:09:18

Fires raging in central Africa are generating a high amount of pollution that is showing up in data from NASA's Aura Satellite, with the ominous shape of a dark red butterfly in the skies over southern part of the Democratic Republic of the Congo and northern Angola.


Latest Smog Reference Libraries

Acid Rain
2013-04-01 10:21:17

Acid rain is any form of precipitation that is unusually acidic, meaning that is possesses high levels of hydrogen ions. It can have harmful effects on aquatic animals, plants, and infrastructure. Acid rain is caused by emissions of sulfur dioxide and nitrogen oxide, which react with the water molecules within the atmosphere to produce acids. Nitrogen oxides can be produced naturally by lightening strikes. Sulfur dioxide can be produced naturally by volcanic eruptions. The chemicals that are...

22_1663f68fda000d8f11d5a4317e325607
2009-07-06 17:01:44

Arctic haze is a phenomenon that occurs in the atmosphere at high latitudes in the Arctic due to air pollution. What distinguishes Arctic haze from haze found elsewhere, is the ability of its chemical ingredients to endure in the atmosphere for a longer period of time compared to other pollutants. Due to limited snowfall, rain, or turbulent air to displace pollutants from the polar air in the spring, Arctic haze can continue for more than a month in the northern atmosphere. Arctic haze was...

22_c8da84dbe2308dcca223c7190a69a675
2009-07-06 16:44:13

Haze is a type of atmospheric phenomenon where dust, smoke and dry particles in the air obscure the sky's clarity. Haze is created through various activities including farming, traffic pollution,and even wildfires. The World Meteorological Organization (WMO) categorizes the obscuration of the Earth's atmosphere by a list of different types of atmospheric phenomena. One of these is haze. The other classifications are: fog, ice fog, steam fog, mist, smoke, volcanic ash, dust, sand, and snow....

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Word of the Day
tourtiere
  • a meat pie that is usually eaten at Christmas in Quebec
The word 'tourtiere' comes from the French tourte, or passenger pigeon.
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