Current Data

* The Coastal Boundary station was suspended in April 2020 (until further notice) due to future construction at the wharf.
* The Source-Dominated station was suspended in May 2021 (until further notice).
* ALL DATA IS PRELIMINARY. DATA IS PRESENTED IN PACIFIC STANDARD TIME EVEN DURING DAYLIGHT SAVINGS TIME.

Select A Site
Observation To Graph

Wilmington Community - O3 (1 hr)

 
Monitored ParameterAveraging PeriodCurrent ValueUnitsState StandardFederal Standard
O3 11207004 1 hr 0.032 ppm 0.090 --
O3 11207005 8 hr 0.026 ppm 0.070 0.070
PM10 11207007 24 hr 17.5 ug/m3 50.0 150.0
PM2.5 11207009 24 hr 13.3 ug/m3 -- 35.0
NO2 11207010 1 hr 0.004 ppm 0.180 0.100
CO 11207011 1 hr 0.6 ppm 20.0 35.0
CO 11207012 8 hr 0.6 ppm 9.0 9.0
SO2 11207013 1 hr 0.017 ppm -- 0.075
SO2 11207014 24 hr -- ppm 0.040 0.140
Wind Speed 11207015 1 hr 7.8 mph -- --
Wind Direction 11207016 1 hr NW direction -- --
UFP 11207017 1 hr 4,453 counts/cm3 -- --
BC 11207039 1 hr 0.263 ug/m3 -- --
BC 11207040 24 hr 0.431 ug/m3 -- --
Temperature 11207018 1 hr -- deg F -- --
SolRad 11207019 1 hr 657.8 W/m2 -- --