TY - RPRT TI - Oxidative potential of fresh vs. O₃-aged PM2.5 across urban and rural sources in China. AU - Harshita Arora AU - Roshan Kumar Singh AU - Haoran Yu PY - 2026 DO - 10.1016/j.jes.2026.05.042 UR - https://pubmed.ncbi.nlm.nih.gov/42680367/ ID - 42680367 ER -