{"id":"W3123107220","doi":"10.3390/atmos12020160","title":"Ammonia and PM2.5 Air Pollution in Paris during the 2020 COVID Lockdown","year":2021,"lang":"en","type":"article","venue":"Atmosphere","topic":"COVID-19 impact on air quality","field":"Environmental Science","cited_by":70,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto","funders":"Centre National d’Etudes Spatiales; Belgian Federal Science Policy Office; Fonds De La Recherche Scientifique - FNRS; European Commission","keywords":"Environmental science; Ammonium; Pollution; Air quality index; Ammonia; Environmental chemistry; Air pollution; Nitrate; Atmospheric sciences; Ammonium nitrate; Meteorology; Chemistry; Geography; Physics","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002661108,0.0005048123,0.000163032,0.0005216226,0.000374249,0.0009930492,0.0002464853,0.0005961171,0.001007878],"category_scores_gemma":[0.0003665308,0.0001160275,0.0003656634,0.0005444646,0.0003141841,0.0002931701,0.000492895,0.0002757698,0.000205269],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.003157336,"about_ca_system_score_gemma":0.0006832682,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.253399,"about_ca_topic_score_gemma":0.2084112,"domain_scores_codex":[0.9998054,0.00003552402,0.000008003793,0.00004985055,0.00003737859,0.00006381026],"domain_scores_gemma":[0.9998369,0.00002206726,0.0000532159,0.00001230353,0.00003989566,0.0000356465],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0004873723,0.0001478806,0.9325985,0.00007134704,0.0002767404,0.001280264,0.0004146364,0.03961185,0.007870095,0.0007474264,0.003986197,0.0125076],"study_design_scores_gemma":[0.00001040634,0.00007280804,0.9871234,0.00001497756,0.000034617,0.00004613736,0.0004218342,0.008567425,0.0009487518,0.00006439188,0.002674299,0.00002103409],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9943033,0.0003117106,0.0002038625,0.0003113974,0.00003048061,0.000009581787,0.001591141,0.00004979827,0.003188706],"genre_scores_gemma":[0.9986386,0.00009321515,0.0001185184,0.00004409081,0.00001272276,0.000006735144,0.0006884056,0.000004947804,0.000392759],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.253399,"threshold_uncertainty_score":0.5038482,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.00833341656994143,"score_gpt":0.2521299748204288,"score_spread":0.2437965582504873,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}