Tag Archives: Portland

Wildfire smoke in U.S. exposes millions to hazardous pollution

Posted on October 16, 2020 by Respro® UK Ltd

Smoke at concentrations that topped the government’s charts for health risks and lasted at least a day enshrouded counties inhabited by more than 8 million people. Wildfires churning out dense plumes of smoke as they scorch huge swaths of the … Continue reading →

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Seattle and Portland Air is Now Dirtier Than Most Polluted Cities in Asia

Posted on August 24, 2018 by Respro® UK Ltd

For now, two of America’s cleanest cities have dirtier air than the the most polluted cities in Asia. IN THE DAMP and dreary Pacific Northwest, where moss climbs the trees and moisture dribbles down lamp posts and seems to seep through … Continue reading →

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Air quality at ‘unhealthy’ level in Portland due to wildfires 

Posted on August 30, 2017 by Respro® UK Ltd

A smoky haze from wildfires across the state has settled into the Portland metro area and other parts of the Willamette Valley. Tuesday’s air quality is the worst it has been in weeks, categorized as “unhealthy” most of the afternoon … Continue reading →

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Portland air quality remains unhealthy, but some relief may come Friday 

Posted on August 4, 2017 by Respro® UK Ltd

Portland’s air quality rating remains unhealthy on Friday, although some relief may come later in the day. The thick haze from wildfires in British Columbia has blanketed the Portland area this week amid record heat. KGW chief meteorologist Matt Zaffino says westerly winds … Continue reading →

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The Moss That Saved Portland 

Posted on March 15, 2017 by Respro® UK Ltd

Roadside plants helped officials trace the source of a public health crisis and led to new standards for clean air in Oregon. Orthotrichum lyellii is the hero of this story. You’ve probably met it before: a tuft of green with … Continue reading →

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Moss is useful bioindicator of cadmium air pollution, new study finds 

Posted on April 11, 2016 by Respro® UK Ltd

Moss growing on urban trees is a useful bio-indicator of cadmium air pollution in Portland, Oregon, a U.S. Forest Service Pacific Northwest Research Station-led study has found. The work–the first to use moss to generate a rigorous and detailed map … Continue reading →

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