We present results of underreporting estimation for daily series of PCR+ or clinical diagnosis counts for Asturias. By May 2, 2020 the number of confirmed cases is 2877 and the reconstruction of our model gave 6359 cases. This means that there are 3482 or 121% of non-reported cases with respect to the observed. Below you see the daily counts series (Fig.1) and the cummulative counts series (Fig. 2), observed versus estimated.