| Country | Institute | Contact | Website |
| Austria | Umweltbundesamt | Marina Froehlich | http://www.umweltbundesamt.at |
| Oberösterreichische Landesregierung | Mario Gabrysch | http://www.land-oberoesterreich.gv.at/ | |
| Belgium | IRCEL/CELINE | Philippe Maetz | http://www.irceline.be |
| Bulgaria | Executive Environmental Agency | Milena Parvanova | http://nfp-bg.eionet.eu.int/ncesd/eng/index.html |
| Czech Republic |
Czech Hydrometeorological Institute | Jiri Novak | http://www.chmi.cz |
| Cyprus | Ministry of Labour and Social Insurance | Savvas Kleanthous | http://www.airquality.dli.mlsi.gov.cy/ |
| Denmark | NERI | Claus Nordstroem | http://www.dmu.dk/forside_en.asp |
| Estonia | Estonian Environmental Research Centre | Toivo Truuts | http://www.klab.ee |
| Finland | FMI | Jari Walden | http://www.fmi.fi |
| France | LCSQA-EMD | Francois Mathe | http://www.ensm-douai.fr/ |
| LCSQA-INERIS | Olivier Favez | http://www.ineris.fr | |
| LCSQA-LNE | Tatiana Mace | http://www.lne.fr/ | |
| Germany | LANUV NRW | Ulrich Pfeffer | http://www.lanuv.nrw.de/ |
| Umweltbundesamt | Klaus Wirtz | http://www.umweltbundesamt.de/ | |
| Greece | Ministry of Environment | http://www.minenv.gr | |
| Hungary | Hungarian Meteorological Service | Viktor Dezsi | http://www.kvvm.hu/olm |
| Ireland | EPA | Barbara O’Leary | http://www.epa.ie |
| Italy | CNR | Rosanna Mabilia | http://www.iia.cnr.it |
| ISPRA | Maria Belli | http://www.isprambiente.it | |
| Latvia | Latvian Hydrometeorological Agency | http://www.meteo.lv | |
| Lithuania | Environment Protection Agency | Jouzas Molis | http://aaa.am.lt/VI/ |
| Luxembourg | Adm. de l'Environnement | Serge Solangna | http://www.environnement.public.lu/ |
| Malta | Malta Environment & Planning Authority | Michael Nolle |
http://www.mepa.org.mt |
| Poland | Chief Inspectorate for Environmental Protection | http://www.gios.gov.pl | |
| Portugal | Insituto do Ambiente | Joao Matos | http://www.iambiente.pt |
| Romania | National R & D Institute for Environment Protection | http://www.icim.ro | |
| Slovakia | Slovak Hydrometeorological Institute | Ladislav Ronchetti | http://www.shmu.sk/ |
| Slovenia | Environmental Agency of the Republic of Slovenia | Tanja Bolte | http://www.arso.gov.si/ |
| Spain | ISCIII | Saul Garcia Dos Santos | http://www.isciii.es/publico/ |
| Sweden | IVL | Eva Brorstroem-Lunden | http://www.ivl.se/ |
| ITM | Hans Areskoug | http://www.itm.su.se/itm/index.html | |
| The Netherlands |
RIVM | Theo Hafkenscheid | http://www.rivm.nl/ |
| United Kingdom |
AEAT | Brian Stacey | http://www.aeat.co.uk/ |
| NPL | Paul Quincey | http://www.npl.co.uk/environment | |
| Norway | NILU | Leif Marsteen | http://www.nilu.no/ |
| Switzerland | EMPA | Robert Gehrig | http://www.empa.ch |
| BAFU | http://www.umwelt-schweiz.ch | ||
| European Commission | DG Joint Research Centre | Annette Borowiak | http://ies.jrc.ec.europa.eu/ |
| DG Environment | Daniela Buzica |
