you are correct but the article you cite seems to be dated 2024... AFAIK its a Belgian-Polish research activity at least since 2006, potentially other places h

you are correct but the article you cite seems to be dated 2024... AFAIK its a Belgian-Polish research activity at least since 2006, potentially other places have done this earlier: https://www.gva.be/cnt/oid417904 https://www.gva.be/cnt/oid417904 Before this ozone peaks were being detected with clovers and gladiola's...