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OzonePM2.5PM10COSO2Temp   |  RH   |  WS   |  WD  

December 16, 2017

Current Max AQI
 50 
PM2.5 (24-hr average)
O3 n/a  
PM2.5
 50 
at 10 PM  
PM10 n/a  
CO n/a  
SO2 n/a  
* Numbers in AQI
 
WS n/a  
WD n/a  
Temp 3ºC at 10 PM
RH 51% 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)