PMC:7547912 / 11009-11199 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T62","span":{"begin":0,"end":190},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"In the present investigation, the AQI level was at its highest peak on year starting among all of the four studied sites i.e., 443 in site 1, 298 in site 2, 292 in site 3, and 166 in site 4."}