Current Data

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Inner Harbor - O3 (1 hr)

 
Monitored ParameterAveraging PeriodCurrent ValueUnitsState StandardFederal Standard
O3 1 hr 0.029 ppm 0.090 --
O3 8 hr 0.034 ppm 0.070 0.070
PM10 24 hr -- ug/m3 50.0 150.0
PM2.5 24 hr 12.0 ug/m3 -- 35.0
NO2 1 hr 0.009 ppm 0.180 0.100
CO 1 hr 1.3 ppm 20.0 35.0
CO 8 hr 1.2 ppm 9.0 9.0
SO2 1 hr 0.001 ppm -- 0.075
SO2 24 hr 0.001 ppm 0.040 0.140
Wind Speed 1 hr 4.4 mph -- --
Wind Direction 1 hr SE direction -- --
Temperature 1 hr 58.6° deg F -- --
Relative Humidity 1 hr 72.6 % -- --
Rain 1 hr 0.00 in -- --
Rain-Daily Daily Total 0.00 in -- --
Rain-Monthly Monthly Total 0.33 in -- --
Rain-Annual Annual Total 0.33 in -- --