Air quality annual statistics calculated by the EEA

Data Table

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The annual aggregated air quality values have been calculated by EEA based on the primary observations (time series) uploaded by countries into CDR and successfully tested by automated QC.

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Table definition

Air Quality annual statistics:

Field name	Description	Data type
Country Or Territory	Country or territory name.	string
Reporting Year	Year for which primary data have been reported/ statistics were calculated.	numeric
Namespace	Inspire identifier/namespace of reporting entity, given by data provider.	string
Station Local Id	Inspire identifier (Local Id) of air quality measurement station, given by data provider.	string
Sampling Point Local Id	Inspire identifier (Local Id) of sampling point, given by data provider.	string
Sampling Point Latitude	Latitude of sampling point [decimal degrees].	numeric
Sampling Point Longitude	Longitude of sampling point [decimal degrees].	numeric
Pollutant	Air polluting substance, level of which is measured and reported to the EEA (see notation in Data Dictionary: http://dd.eionet.europa.eu/vocabulary/aq/pollutant).	string
Aggregation Type	Information about process of data aggregation into annual values (see in Data Dictionary: http://dd.eionet.europa.eu/vocabulary/aq/aggregationprocess).	string
AQ Value	Concentration or level of air polluting substance, here given as an aggregation of air pollutant concentration values from primary observation time series.	numeric
Unit	Unit of concentration or level of air polluting substance (see in Data Dictionary: http://dd.eionet.europa.eu/vocabulary/uom/concentration).	string
Begin Position	Date time begin of measurement (time zone as defined for the air quality network).	datetime
End Position	Date time end of measurement (time zone as defined for the air quality network).	datetime
Validity	Validity flags based on Data Capture, data are 'not valid' if Data Capturestring
Verification	Information based on verification flags found in reported time series (see in Data Dictionary: http://dd.eionet.europa.eu/vocabulary/aq/observationverification).	string
Data Coverage	Proportion of valid measurement included in the aggregation process within averaging period, expressed as percentage. If Data Coverage < 75% for averaging period of a year, annual statistics should not be included in air quality assessments, if Data Coverage < 85% (in a year), annual statistics should not be included in compliance checks.	numeric
Data Capture	Proportion of valid measurement time relative total measured time (time coverage) in averaging period, expressed as percentage.	numeric
Time Coverage	Proportion of total measured time, calculated from start and end time of observation, within the full averaging period, expressed as percentage.	numeric
Update Time	Time of the latest update of the calculated statistics.	datetime