@misc{rodríguez-urrego_rodríguez-urrego_2020, title={Air quality during the COVID-19: PM2.5 analysis in the 50 most polluted capital cities in the world}, volume={266}, ISSN={1873-6424}, DOI={10.1016/J.ENVPOL.2020.115042}, journal={Environmental Pollution}, publisher={Elsevier Ltd}, author={Rodríguez-Urrego, Daniella and Rodríguez-Urrego, Leonardo}, year={2020} }