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OzonePM2.5PM10COSO2Temp   |  RH   |  WS   |  WD  

December 16, 2017

Current Max AQI
 17 
Ozone (8-hr average)
O3
 17 
at 11 PM  
PM2.5
 60 
at 10 PM  
PM10
 26 
at 6 PM  
CO n/a  
SO2 n/a  
* Numbers in AQI
 
WS n/a  
WD n/a  
Temp 6ºC at 10 PM
RH 43% at 10 PM



Note: The Beltsville and Blackwater NWR monitors are operated by EPA CASTNET. Prior to 2011, the monitors did not follow EPA required quality checks for regulatory use.


Data are preliminary and subject to validation
AQI Conversion Charts:
Ozone  Particulate Matter (PM)