This stations Air quality measurements  (More) (Extra Page)

Period Concentration Index Classification       
Real-Time 49.38 ug/m3 135 Unhealthy for Sensitive Groups   
   
Currently 33.77 ug/m3 97 Moderate  
    
Last 30 min 36.91 ug/m3 104 Unhealthy for Sensitive Groups   
   
Last hour 40.43 ug/m3 113 Unhealthy for Sensitive Groups   
   
Last 6 hours 25.69 ug/m3 80 Moderate  
    
Last 24 hours 20.31 ug/m3 68 Moderate  
    
Last 7 days 14.69 ug/m3 56 Moderate  
    
    123456
     Latest measurement from: 20:11 PA Sensor: 5876

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