Available Ambient Data by Site

To get the latest available ambient data for a particular site, select the County..Site from the drop-down list. The data will be displayed below once you have made your selection.

All current values and statistics are averages for one-hour durations, unless the name of the monitor indicates otherwise.
     

Date: 07/12/2020 (Change date) (or
 Durham, NC  27704


MonitorCurrent ReadingMinimumMaximumAverage/ TotalUnitStatusHour (EST)
Ozone 45 10 47 -- PPB normal 6:00 - 6:59 PM
Ozone (8 Hour Average) 46 41 46 -- PPB normal 6:00 - 6:59 PM
PM10 Total 0-10um STP 10.0 4.0 15.0 -- UG/M3 normal 6:00 - 6:59 PM
PM10-2.5 - Local Conditions 5.0 0.0 8.0 -- UG/M3 0-truncated 6:00 - 6:59 PM
PM2.5 - Local Conditions 4.0 3.0 9.0 -- UG/M3 normal 6:00 - 6:59 PM
Sulfur dioxide -0.4 -0.5 0.3 -- PPB normal 6:00 - 6:59 PM

Note that these data are in raw form and have not been validated. These data should not be used in any medical or scientific studies. Validated data is available upon request.
View pollutant and meteorological descriptions.
View haze camera images.
Site Details
Date Established:  02/01/2007
Elevation:  118 meters
Latitude:  36.03295
Longitude:  -78.90404