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.

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Inner Harbor - O3 (1 hr)

 
Monitored ParameterAveraging PeriodCurrent ValueUnitsState StandardFederal Standard
O3 11524816 1 hr 0.003 ppm 0.090 --
O3 11524817 8 hr 0.011 ppm 0.070 0.070
PM10 11524819 24 hr -- ug/m3 50.0 150.0
PM2.5 11524821 24 hr 15.7 ug/m3 -- 35.0
NO2 11524822 1 hr 0.051 ppm 0.180 0.100
CO 11524823 1 hr 1.2 ppm 20.0 35.0
CO 11524824 8 hr 1.2 ppm 9.0 9.0
SO2 11524825 1 hr 0.003 ppm -- 0.075
SO2 11524826 24 hr 0.003 ppm 0.040 0.140
Wind Speed 11524827 1 hr 2.7 mph -- --
Wind Direction 11524828 1 hr W direction -- --
BC 11524913 1 hr 1.902 ug/m3 -- --
BC 11524914 24 hr 2.518 ug/m3 -- --
Temperature 11524829 1 hr 65.5° deg F -- --
Relative Humidity 11524830 1 hr 39.0 % -- --
Rain 11524831 1 hr 0.00 in -- --
Rain-Daily 11524832 Daily Total 0.01 in -- --
Rain-Monthly 11524833 Monthly Total 0.01 in -- --
Rain-Annual 11524834 Annual Total -- in -- --