Category Archives: USA

US national parks have just as much air pollution as major cities

Study finds that the air in areas such as Yosemite National Park isn’t as pristine as it seems. The air in US national parks contains just as much ozone pollution as the air in many of the country’s largest cities, … Continue reading

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Wildfires are making extreme air pollution even worse in the northwest U.S.

Smoke from blazes ravaging western states is counteracting clean air improvements The northwestern United States has become an air pollution hot spot — literally. Air quality in states from Nevada to Montana is worse than it was 30 years ago on … Continue reading

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What is Vog? Hazardous pollutant seen spewing out from Hawaii’s volcano other than lava

It has been more than three weeks that the Kilauea volcano on Hawaii’s Big Island is hotting out lava, ash in the sky. The ash cloud can be seen from miles away. However, along with the molten rock and deadly … Continue reading

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Kilauea Eruptions Creating Harmful Breathing Conditions and Skin/Eye Irritation

On Sunday, the Hawaiian Volcano Observatory (HVO) issued a new Kilauea volcano air quality warning about laze. But if you don’t know what laze is – or vog – you’re not a resident of Hawaii’s Big Island. Laze Appearing on … Continue reading

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Study: Street-level air pollution increases health risk among elderly

A new study published today in the journal Environmental Health shows that differences in traffic-related air pollution are associated with higher rates of heart attacks and deaths from heart disease in the elderly. Scientists from Environmental Defense Fund and Kaiser … Continue reading

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Hawaii’s silent danger: Volcanic smog, otherwise known as ‘vog’

The recent eruption of Hawaii’s Kilauea has generated apocalyptic scenes of bright red lava exploding hundreds of feet into the sky and burning buildings consumed by the molten rock. But there’s another danger, silent and often unseen, that has been with Hawaiian residents … Continue reading

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Even brief particle pollution spikes tied to respiratory infections

People may be more likely to develop acute lower respiratory infections after even brief increases in air pollution, and babies and toddlers are especially vulnerable, a U.S. study suggests. Researchers looked at more than a decade of data on patients … Continue reading

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Farms in the U.S. Contain Chemical-Filled Soil Responsible for a Shocking Amount of Air Pollution

Air pollution was responsible for one in eight deaths across the world in 2012. But most likely associate this smoggy mess with smokestacks, cars spitting out black smoke, or massive cities. There is, however, an unlikely source of pollution coming … Continue reading

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