UTD viewer Links to be deleted (NRT viewer) http://www.eea.europa.eu/themes/air/air-quality/map/real-time-map Coverage Time Ideally all hourly UTD values since 01/01/current year If not possible at least 10 days of hourly values switching to daily mean value in past Pollutants and averaging time CO, O3, NO2, SO2, PM2.5, PM10 – hourly data (or daily mean value if not possible) Only valid data – all verification flags Filters Pollutant single value drop down Type of station multiple values drop down Type of area multiple values drop down Zone if possible; multiple values drop down Default (landing page) Map: PM10 (time shown: latest hour – 24) Graph: blank Filters: on “all” Pollutant navigation Map: must be displayed even if no data due to filters selection (if not possible, display warning “no data available”) Graph: reset to blank Filters station and area: no reset Time: no reset Time navigation Time slider instead of time list (left = past | right = present) Time player if possible Synchronisation map – graph Sampling points selected on map in graph In graph last value (time) is the value (time) shown in map Same content of sampling point popup windows in map and graph Download In map, values corresponding to the selected time for all selected sampling points selected In graph, all values over the period of time and for all time series shown Help page Include access to help page

Graph: all values over the period for all selected sampling points Download: Map: all selected series for the time shown (and not the latest value as at present) Graph: all values over the period for all selected sampling points Indicate pollutant, date, time and data type (« hourly values/daily mean values ») Ex: PM10 | 01-03-2016 | 13:00 | Hourly values PM10 |01-02-2016 | Daily mean values Title: TBD Add PM2.5 Clean pollutant name: delete «(air)» Date and hour Pollutant Value Station classification Area classification Altitude Station code Station name Sampling point code Zone Include access to help page (to be written by ACC1) Only hourly (daily mean) data Filter not necessary Replace with time slider Left = past |right = present Include time player if possible should be « time » Include filters on station type and area type (drop down, multiple choice)

if 1 station: station code | station name Title: if 1 station: station code | station name if more than 1 station: « all selected stations) All same dot siza Same content as on map Disclaimer: To be written by ACC1