Smokey haze becomes ‘unhealthy’

Particulate matter from regional fires settles here By Calvin Bratt [email protected]   WHATCOM ­— The smokey haze hanging over the county for days now from regional wildfires has made air quality unhealthy, or worse.   Monday evening, Lynden and Custer rose into a moderate range of particulate-matter pollution, considered unhealthy for sensitive groups, the Northwest Clean Air…