WoodinvilleWX Station Air quality measurements

Period Concentration Index Classification       
Real-Time 3.4 ug/m3 15 Good
Currently 2.87 ug/m3 12 Good
Last 30 min 2.35 ug/m3 10 Good
Last hour 1.98 ug/m3 9 Good
Last 6 hours 3.25 ug/m3 14 Good
Last 24 hours 3.39 ug/m3 15 Good
Last 7 days 4.07 ug/m3 17 Good
     Latest measurement from: 05/13/2021 10:01pm   Sensor: Purpleair #74727
Classification Index pm2.5 The health effects should be based on 24 hours average values only.
 Good  1-50 < 12 μg/m3 Air quality is considered satisfactory, and air pollution poses little or no risk
 Moderate  51-100 < 35.4 μg/m3 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.
 Unhealthy for Sensitive Groups  101-150 < 55.4 μg/m3 Members of sensitive groups may experience health effects. The general public is not likely to be affected.
 Unhealthy  151-200 < 150.4 μg/m3 Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects.
 Very Unhealthy  201-300 < 250.4 μg/m3 Health warnings of emergency conditions. The entire population is more likely to be affected
 Hazardous  301-500 > 250.4 μg/m3 Health alert: everyone may experience more serious health effects
Visit these websites Regional Air Quality site & Purpleair sensors where you can find a wealth of information