# Commission Implementing Decision (EU) 2018/620 of 20 April 2018 on the technical specifications for the Copernicus service component pursuant to Regulation (EU) No 377/2014 of the European Parliament and of the Council (Text with EEA relevance), Division (1): Regional products

Extent: E+W+S+N.I.

The regional products shall be provided by an ensemble of air quality models (up to 10 members) for the European domain and for several species, such as: episodes and background concentrations of O3, NO2, NO, CO, SO2, NH3, PANs, VOCs, PM2,5, PM10, pollens (main allergens).
The services shall consist of the following:
(a) daily near real-time analyses and forecasts;
(b) daily delayed-mode interim re-analyses based on in-situ observations in an interim stage of validation;
(c) annual re-analyses based on fully validated in-situ observations.

---
Source: https://www.legislation.gov.uk/eudn/2018/620/annex/II/division/4/division/1 (the official version)
Page: https://openlegislation.uk/eu-decision-2018-620/annex-II/division-4/division-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.