空气质量预报

Air Quality Data provided by the Washington State Department of Ecology (ecy.wa.gov)
Note that the measurements for O3 (臭氧) and CO (一氧化碳) are taken from the station Duwamish, Seattle, Washington and the measurements for NO2 (二氧化氮) and SO2 (二氧化硫) are taken from the station Beacon Hill, Seattle, Washington