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: 04/25/2024 (Change date) (or
 Morrisville, NC  27560


MonitorCurrent ReadingMinimumMaximumAverage/ TotalUnitStatusHour (EST)
Carbon monoxide 329 329 383 346 PPB normal 4:00 - 4:59 AM
Nitrogen dioxide (NO2) 5.2 4.8 5.8 -- PPB normal 4:00 - 4:59 AM
PM2.5 - Local Conditions 8.0 8.0 12.0 -- UG/M3 normal 4:00 - 4:59 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.
Site Details
Date Established:  12/18/2013
Elevation:  97 meters
Latitude:  35.8652
Longitude:  -78.8197