Home > USA > Washington > Snohomish County > Lake Ketchum
Primary air pollutant in the Lake Ketchum area:
OZONE - 32 Good
Enjoy your outdoor activities.
Other Pollutants:
PM2.5 - 14 Good
Primary Pollutant: PM2.5 - 0 Good
Primary Pollutant: PM2.5 - 0 Good
Primary Pollutant: PM2.5 - 0 Good