| AirNow Home | >> | Washington | >> | Cascade foothills of east King-Pierce counties |
Data and Forecasts courtesy of:
Northwest Clean Air Agency, Olympic Region Clean Air Agency, Puget Sound Clean Air Agency, State of Washington-Department of Ecology-Air Quality Program
 AQI: Good (0 - 50)Air quality is considered satisfactory, and air pollution poses little or no risk.  AQI: Moderate (51 - 100)Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.  AQI: Unhealthy for Sensitive Groups (101 - 150) Although general public is not likely to be affected at this AQI range, people with lung disease, older adults and children are at a greater risk from exposure to ozone, whereas persons with heart and lung disease, older adults and children are at greater risk from the presence of particles in the air.  AQI: Unhealthy (151 - 200) Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects.  AQI: Very Unhealthy (201 - 300)Health alert: everyone may experience more serious health effects.  AQI: Hazardous (301 - 500)Health warnings of emergency conditions. The entire population is more likely to be affected.  Action Day
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National Parks/Monuments
Tribal Boundaries
