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Gaps In Wildfire Smoke Warning Network Concerning

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Huge gaps between air quality sensors in the western U.S. have created blind spots in the warning system for wildfire smoke plumes sweeping North America this summer. That comes amid growing concern over the potential health impacts for millions of people being exposed to the pollution. Government programs to alert the public when smoke becomes unhealthy rely on monitoring stations heavily concentrated around major cities on the West Coast and east of the Mississippi River. The patchwork system leaves some people unable to determine risks from smoke, including in rural areas where air quality can quickly degrade when fires ignite nearby.

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