240   
AEUS74 KMRX 151932  
AQIMRX  
  
AIR QUALITY INDEX FORECAST  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
330 PM EDT TUE APR 15 2025  
  
THIS FORECAST IS PRODUCED BY THE TENNESSEE DEPARTMENT OF ENVIRONMENT  
AND CONSERVATION (HTTP://WWW.STATE.TN.US/ENVIRONMENT/).  
  
AIR QUALITY FORECAST FOR WEDNESDAY APR 16 2025  
  
                                     LEVEL OF  
STATION              COLOR        HEALTH CONCERN         POLLUTANT  
  
TRI-CITIES TN        GREEN           GOOD                   OZ  
  
KNOXVILLE TN         GREEN           GOOD                   OZ  
  
GSMNP                GREEN           GOOD                   OZ  
  
CHATTANOOGA TN       GREEN           GOOD                   OZ  
  
PM = PARTICULATE MATTER  
  
OZ = OZONE  
  
THE SIX LEVELS OF HEALTH CONCERN:  
  
GOOD (GREEN):  AIR QUALITY IS CONSIDERED SATISFACTORY, AND AIR POLLUTION  
               POSES LITTLE OR NO RISK.  
  
MODERATE (YELLOW): AIR QUALITY IS ACCEPTABLE, HOWEVER, FOR SOME POLLUTANTS  
               THERE MAY BE A MODERATE HEALTH CONCERN FOR A VERY SMALL  
               NUMBER OF PEOPLE. FOR EXAMPLE, PEOPLE WHO ARE UNUSUALLY  
               SENSITIVE TO OZONE MAY EXPERIENCE RESPIRATORY SYMPTOMS.  
  
UNHEALTHY FOR SENSITIVE GROUPS (ORANGE): MEMBERS OF SENSITIVE GROUPS MAY  
               EXPERIENCE HEALTH EFFECTS. THIS MEANS THEY ARE LIKELY  
               TO BE AFFECTED AT LOWER LEVELS THAN THE GENERAL PUBLIC.  
               FOR EXAMPLE, PEOPLE WITH LUNG DISEASE ARE AT GREATER RISK  
               FROM EXPOSURE TO OZONE, WHILE PEOPLE WITH EITHER LUNG  
               DISEASE OR HEART DISEASE ARE AT GREATER RISK FROM EXPOSURE  
               TO PARTICLE POLLUTION. THE GENERAL PUBLIC IS NOT LIKELY TO  
               BE AFFECTED WHEN THE AQI IS IN THIS RANGE.  
  
UNHEALTHY (RED): MEMBERS OF SENSITIVE GROUPS MAY EXPERIENCE MORE SERIOUS  
                 HEALTH EFFECTS.  
  
VERY UNHEALTHY (PURPLE): EVERYONE MAY EXPERIENCE MORE SERIOUS HEALTH EFFECTS.  
  
HAZARDOUS (MAROON): THE ENTIRE POPULATION IS MORE LIKELY TO BE AFFECTED.  
  
FOR MORE INFORMATION, VISIT THE EPA AIRNOW WEB SITE AT:  
HTTP://WWW.AIRNOW.GOV  
  
  
 
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