空气质量预报
空气质量数据提供者: the Washington State Department of Ecology (ecy.wa.gov) and Air Now - US EPA (airnow.gov)
请注意,PM 2.5 (细颗粒物)的测量值取自该站: 7th Ave, Marysville, Washington and the measurement for O3 (ozone) are taken from the station: S Second St, Mt Vernon, Washington and the measurement for CO (carbon monoxide) are taken from the station: Town Center, Lake Forest Park, Washington