Concept: 1 year 99 percentile of daily means (P1D) or .../aq/primaryObservation/day in the aggregationprocess vocabulary

Concept URI	http://dd.eionet.europa.eu/vocabulary/aq/aggregationprocess/P1Y-P1D-per99
Preferred label	1 year 99 percentile of daily means (P1D) or .../aq/primaryObservation/day
Definition	The 99th percentile of daily averages in a given year associated to WHO guidelines for pollutants PM10 (5), PM2.5 (6001), NO2 (8), SO2 (1) and CO (10)
Notation	P1Y-P1D-per99
Status	Valid
Status Modified	2017-03-22
Accepted Date	2021-12-20
Not Accepted Date
Scope note	New aggregates for new AQ 2021 WHO guidelines
Related pollutant	1 (Sulphur dioxide (air)) in aq/pollutant 10 (Carbon monoxide (air)) in aq/pollutant 5 (Particulate matter < 10 µm (aerosol)) in aq/pollutant 6001 (Particulate matter < 2.5 µm (aerosol)) in aq/pollutant 8 (Nitrogen dioxide (air)) in aq/pollutant

European Environment Agency
Kgs. Nytorv 6, DK-1050 Copenhagen K, Denmark