Division (1) Regional products

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:

1. (a)

   daily near real-time analyses and forecasts;

2. (b)

   daily delayed-mode interim re-analyses based on in-situ observations in an interim stage of validation;

3. (c)

   annual re-analyses based on fully validated in-situ observations.