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
 Raleigh, NC  27616


MonitorCurrent ReadingMinimumMaximumAverage/ TotalUnitStatusHour (EST)
Carbon monoxide 163 150 353 179 PPB normal 6:00 - 6:59 PM
Nitrogen dioxide (NO2) 1.0 0.5 5.3 -- PPB normal 6:00 - 6:59 PM
Outdoor Temperature 89.3 70.6 91.5 82.45 DEGF normal 6:00 - 6:59 PM
Ozone 46 15 51 -- PPB normal 6:00 - 6:59 PM
Ozone (8 Hour Average) 49 44 49 -- PPB normal 6:00 - 6:59 PM
PM10 Total 0-10um STP 12.0 7.0 16.0 -- UG/M3 normal 6:00 - 6:59 PM
PM10-2.5 - Local Conditions -- 1.1 4.8 -- UG/M3 off line 6:00 - 6:59 PM
PM2.5 - Local Conditions -- 9.0 9.9 -- UG/M3 off line 6:00 - 6:59 PM
Rain/melt precipitation
(total since midnight)
-- -- -- 0.00 IN normal 6:00 - 6:59 PM
Reactive oxides of nitrogen (NOy) 1.7 1.5 4.2 -- PPB normal 6:00 - 6:59 PM
Relative Humidity 43.1 36.5 87.2 58.05 PERCENT normal 6:00 - 6:59 PM
Solar radiation 138 -- 996 -- W/M2 normal 6:00 - 6:59 PM
Sulfur dioxide 0.0 -0.1 0.5 -- PPB normal 6:00 - 6:59 PM
Wind Direction - Resultant W -- -- N -- normal 6:00 - 6:59 PM
Wind Speed - Resultant 2.9 0.2 4.9 1.4 MPH 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:  09/16/1998
Elevation:  100 meters
Latitude:  35.85611
Longitude:  -78.57417