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Great Smoky Mountains National Park

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Visual Range is unavailable • updated 11/01/2014 09:30 AM EDT
 View from Look Rock, Looking East
Ozone (O3updated 11/01/2014 09:00 AM EDT

O3 concentration Current Today's
Maximum
Yesterday's
Maximum
8-hour average 20 ppb 24 ppb   35 ppb  
1-hour average 21 ppb 24 ppb   36 ppb  

*Ozone (O3) is measured in parts per billion (ppb)



AQI Ozone


Particulate Matter (PM2.5 updated 11/01/2014 09:00 AM EDT

PM2.5 concentration
Current Today's
Maximum
Yesterday's
Maximum
24-hour average 5 μg/m3 6.3 μg/m3
1-hour average 2.4 μg/m3 3.4 μg/m3  12.9 μg/m3

*Particulate Matter (PM2.5) is measured in micrograms per cubic meter (μg/m3)



Particulate Matter (PM2.5)


Weather  updated 11/01/2014 09:00 AM EDT

Current temperature  28 F 
Yesterday's minimum temperature  29 F 
Yesterday's maximum temperature  46 F 
Current relative humidity  100 % 
Yesterday's minimum relative humidity  68 % 
Yesterday's maximum relative humidity  100 % 
Current wind speed  17 mph  
Current wind direction  NW 
Current solar radiation  7 watts/m 2 
Precipitation in last hour  0.01 in. 
Precipitation since midnight  0.06 in. 
Yesterday's precipitation  0.29 in. 


Visibility  updated 11/01/2014 09:00 AM EDT

Approximate Visual Range
Current Yesterday's
Maximum
Yesterday's
Minimum
  unavailable 63 miles 1 miles


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Current Air Quality »
Ozone - O3
updated 11/01/2014 09:00 AM EDT
Ozone concentration is ***O3*** parts per billion air quality index (AQI) for Ozone and Particulate Matter from good to unhealthy PM 2.5 is 2.4 micrograms per cubic meter
Particulate Matter - PM2.5
updated 11/01/2014 09:00 AM EDT
  • See more air data »
  • Current Weather »
    updated 11/01/2014 09:00 AM EDT
    Temperature
    28 F

    Humidity
    100 %

    Wind
    NW-17 mph

    Precipitation - 1 hr
    0.01 in.

  • See more weather data »
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    Last Updated: November 01, 2014