AUTHOR=Oyola Pedro , Carbone Samara , Timonen Hilkka , Torkmahalleh Mehdi , Lindén Jenny TITLE=Editorial: Rise of Low-Cost Sensors and Citizen Science in Air Quality Studies JOURNAL=Frontiers in Environmental Science VOLUME=10 YEAR=2022 URL=https://www.frontiersin.org/journals/environmental-science/articles/10.3389/fenvs.2022.868543 DOI=10.3389/fenvs.2022.868543 ISSN=2296-665X