Available Ambient Data

To get the latest available ambient data for a particular pollutant or meteorological measurement, select that monitor from the drop-down list. The data will be displayed below once you have made your selection. To display data from a past date, click "Change date."

All current values and statistics are averages for one-hour durations, unless the name of the monitor indicates otherwise.
     
Date: 07/23/2018 (Change date) (or select by County..Site)

CountySiteCurrent ReadingMinMaxAverage/ TotalUnitStatusHour (EST)
Rowan Rockwell 537 -- 537 -- W/M2 normal 11:00 - 11:59 AM
Wake Millbrook 557 -- 601 -- W/M2 normal 11:00 - 11:59 AM

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.