Category Archives: USA & Canada

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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Ozone exposure at birth increases risk of asthma development

A long-term study of the health of Canadian children has found that exposure to ozone (O3), a common air pollutant, at birth was associated with an 82 percent increased risk of developing asthma by age three. The study, which was … 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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90 percent of world’s population breathes badly polluted air: WHO

Nine out of every 10 people on the planet breathe air that contains high levels of pollutants and kills seven million people each year, according to a new World Health Organization (WHO) study. Nine out of every 10 people on … Continue reading

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High air pollution levels prompt special weather statement for Calgary

Light winds paired with a change in temperature have trapped smog over Calgary, prompting a special weather statement alert from Environment Canada. On Thursday at 5: 30 p.m., the agency warned that high levels of air pollution will remain over the … Continue reading

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