Current Data

* The Coastal Boundary station was suspended in April 2020 (until further notice) due to future construction at the wharf.
* 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 10804530 1 hr 0.028 ppm 0.090 --
O3 10804531 8 hr 0.036 ppm 0.070 0.070
PM10 10804533 24 hr 40.2 ug/m3 50.0 150.0
PM2.5 10804535 24 hr -- ug/m3 -- 35.0
NO2 10804536 1 hr 0.010 ppm 0.180 0.100
CO 10804537 1 hr 0.4 ppm 20.0 35.0
CO 10804538 8 hr 0.4 ppm 9.0 9.0
SO2 10804539 1 hr 0.003 ppm -- 0.075
SO2 10804540 24 hr 0.003 ppm 0.040 0.140
Wind Speed 10804541 1 hr 2.6 mph -- --
Wind Direction 10804542 1 hr E direction -- --
BC 10804627 1 hr 0.587 ug/m3 -- --
BC 10804628 24 hr 0.531 ug/m3 -- --
Temperature 10804543 1 hr 59.2° deg F -- --
Relative Humidity 10804544 1 hr 75.9 % -- --
Rain 10804545 1 hr 0.00 in -- --
Rain-Daily 10804546 Daily Total 0.00 in -- --
Rain-Monthly 10804547 Monthly Total 0.00 in -- --
Rain-Annual 10804548 Annual Total -- in -- --