Full video: https://youtu.be/d67bxpEsg7Q Air quality is slowly improving in western Washington after reaching unhealthy levels, one day after the area held its Independence Day celebrations. Lakewood's air quality reached "hazardous" levels at 6:30 a.m., with a score of 350. Measurements showed air quality in King, Snohomish and Pierce counties ranging from "unhealthy" to "hazardous" Wednesday morning. By Wednesday afternoon, air quality improved to "moderate."