Concentration units Submitted None Data Dictionary Vocabularies Eionet Data Dictionary Milligrams per litre Milligrams per litre Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units Miligrams per cubic metre of ambient air Miligrams per cubic metre of ambient air. Unit of amount of chemical vapors, fumes, or dust in the ambient air. Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units Micrograms per cubic meter times day Micrograms per cubic meter times day Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units Micrograms per cubic meter times hour Micrograms per cubic meter times hour Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units Milligrams nitrogen per litre Milligrams nitrogen per litre Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units Milligrams nitrogen per square meter per month Milligrams nitrogen per square meter per month Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units Milligrams sulphur per litre Milligrams sulphur per litre Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units Milligrams nitrogen per meter Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units Milligrams sulphur per square meter per month Milligrams sulphur per square meter per month Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units Millimeter Millimeter Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units Nanograms per litre Nanograms per litre Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units Nanograms per square meter Nanograms per square meter Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units Nanograms per square metre per day Unit of amount of chemical vapors, fumes, or dust deposited from the air. Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units Nanograms per cubic metre of ambient air Nanograms per cubic metre of ambient air. Unit of amount of chemical vapors, fumes, or dust in the ambient air Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units Nanometer Nanometer Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units pH pH Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units particles.cm-3 Number of particles per cm3 Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units Picograms per square metre per day Unit of amount of chemical vapors, fumes, or dust deposited from the air. Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units Picograms per cubic metre of ambient air Picograms per cubic metre of ambient air. Unif of amount of chemical vapors, fumes, or dust in the ambient air. Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units Parts per billion per volume Parts per billion per volume Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units Parts per million by volume Parts per million by volume Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units Parts per trillion per volume Parts per trillion per volume Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units Micro Siemens per centimeter Micro Siemens per centimeter Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units micromoles per litre micromoles per litre Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units Micrograms per litre Micrograms per litre Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units Micrograms per square metre per day Unit of amount of chemical vapors, fumes, or dust deposited from the air. Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units Micrograms per cubic meter Micrograms per cubic meter Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units Micrograms per cubic metre per day Micrograms per cubic metre per hour. Unit for Ozone SOMO35 Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units Micrograms per cubic metre per hour Micrograms per cubic metre per hour. Unit for the calculation of the accumulated amount of ozone over the threshold value of 40 ppb (AOT40) Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units Micrograms of carbon per cubic metre Micrograms of carbon per cubic metre Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units Micrograms of nitrogen per cubic metre Micrograms of nitrogen per cubic metre Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units Units of mass concentration of nitrogen dioxide (μg/m3) ‘Oxides of nitrogen’ shall mean the sum of the volume mixing ratio (ppbv) of nitrogen monoxide (nitric oxide) and nitrogen dioxide expressed in units of mass concentration of nitrogen dioxide (μg/m3). Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units Micrograms of sulphur per cubic metre Micrograms of sulphur per cubic metre Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units Micrograms of sulphur dioxide per cubic metre Micrograms of sulphur dioxide per cubic metre Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units Femtograms per cubic meter Femtograms per cubic meter Valid Data Dictionary Vocabularies Eionet Data Dictionary Concentration units