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OzonePM2.5PM10COSO2Temp   |  RH   |  WS   |  WD  

November 19, 2017

Current Max AQI
O3 n/a  
PM2.5 n/a  
PM10 n/a  
CO n/a  
SO2 n/a  
* Numbers in AQI
WS n/a  
WD n/a  
Temp 9ºC at 11 AM
RH 52% at 11 AM

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)