The stability of the radiative regime in Bucharest during 2017-2018 Sanda Budea, Viorel Bădescu, Adrian Ciocănea, Cristiana Verona Croitoru and Ilinca Năstase E3S Web Conf., 85 (2019) 04001 Published online: 22 February 2019 DOI: 10.1051/e3sconf/20198504001