Category Archives: USA & Canada

Wildfire smoke has caused rise in Covid infections and deaths, study finds

Researchers speculate that smoke helps spread the virus and weakens lungs, making symptoms more severe Pollutants in smoke billowing from huge wildfires in the west of America have probably caused an increase in Covid-19 infections and deaths across several US … Continue reading

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Of air pollution and ‘environmental inequality’

Now more than ever, the world’s major cities are faced with air pollution that threatens the health of their inhabitants. But to ensure protection for all, policies to improve air quality must now take into account social and environmental inequalities. … Continue reading

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Researchers develop method to better predict when wildfire smoke affects residents

Last month, New York City and other cities along the east coast experienced some of the worst air pollution in the world. The cause? Wildfires in Canada, California, and Oregon so large they produced smoke that drifted thousands of miles. … Continue reading

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Denver experienced the worst air quality of any major city in the world due to smoke from western wildfires

Denver experienced the worst air quality of any city in the world for several hours Saturday as heavy smoke from raging western wildfires polluted the city. IQAir, a Swiss air quality technology company, determined that Denver’s air was the most … Continue reading

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Volatile compounds from personal products drive urban ozone chemistry

Emissions from products like deodorant and lotion played a major role in 2018 high ozone levels in New York Personal care products like deodorant and lotion contain volatile organic compounds (VOCs) that add fragrance or texture—and these can be emitted … Continue reading

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Denver’s air is bad today. It’s expected to be worse Thursday and Friday.

State health officials warn of a mix of ozone and new surge of smoke from California fires Colorado health officials are anticipating “very poor air quality” along the Front Range through the weekend as smoke wafting from California wildfires mixes … Continue reading

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Air quality advisory for Metro Vancouver, Fraser Valley remain in effect

The Air Quality Advisory that was issued on Sunday remains in effect for Metro Vancouver and Fraser Valley as wildfire smoke moves into the region. The regional authority of Metro Vancouver issued the advisory due to “high concentrations” of fine particulate matter … Continue reading

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Unprecedented air quality alert continues across all of Minnesota, air quality alert due to wildfire smoke in effect through Tuesday, Aug. 3

The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for all of Minnesota. This is an unprecedented significant air quality event for Minnesota, extending over many days. The alert takes effect Friday, July 30, beginning at 12 … Continue reading

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