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OzonePM2.5PM10COSO2Temp   |  RH   |  WS   |  WD  

December 7, 2017

Current Max AQI
Ozone (8-hr average)
at 3 PM  
PM2.5 n/a  
PM10 n/a  
CO n/a  
SO2 n/a  
* Numbers in AQI
WS n/a  
WD n/a  
Temp n/a  
RH n/a  

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)