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Roaming Sentinels Uncover New Air Pollution Sources

Roaming Sentinels Uncover New Air Pollution Sources
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Roving sentinels discover new air pollution

<p>The researchers loaded&nbsp;<a href="https://unews.utah.edu/google-cars/">the vehicles</a>&nbsp;with air quality instrumentation and directed drivers to trawl through neighborhoods street by street, taking one air sample per second to create a massive dataset of air pollutant concentrations in the Salt Lake Valley from May 2019 to March 2020. The observations yielded the highest-resolution map yet of pollution hotspots at fine scales&mdash;the data captured variability within 200 meters, or about two football fields.&nbsp;Air quality patterns were as expected, with higher pollution around traffic and industrial areas. Pollutants were higher in neighborhoods with lower average incomes and a higher percentage of Black residents, confirming a well-known issue of environmental justice. This pattern traces its legacy to redlining policies from a century ago&nbsp;when the Homeowner&rsquo;s Loan Corp. created maps that outlined &ldquo

Roving sentinels discover new air pollution sources

Roving sentinels discover new air pollution sources
miragenews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from miragenews.com Daily Mail and Mail on Sunday newspapers.

Roving sentinels discover new air pollution sources

Roving sentinels discover new air pollution sources
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