LOW-COST MOBILE SENSORS TO EVALUATE AIR QUALITY WITHIN AND BETWEEN INTRA-URBAN AREAS IN BARCELONA, SPAIN AND PORTLAND, OREGON, USA

This is yet unpublished article on recent air pollution research I have done with some collaborators including leading air pollution expert Xavier Querol. Website version here.
Intra-Urban_v12
https://www.speranzaarchitecture.com/air