Dataset for "Anthropogenic Sulfate and Organic Water Drive IEPOX-SOA Formation in a Subtropical Mountain Environment"

This dataset contains the observational data used for the manuscript "Anthropogenic Sulfate and Organic Water Drive IEPOX-SOA Formation in a Subtropical Mountain Environment". The dataset includes hourly aerosol chemical composition and black carbon measurements, hourly carbon monoxide and isoprene measurements, and hourly meteorological parameters collected at the Shanghuang Eco-Environmental Observatory in southeastern China during the summer 2024 field campaign. The uploaded ZIP file contains the following files: ACSM_PM2_5+BC.xlsx: hourly PM2.5 aerosol chemical composition and black carbon measurements. CO_Isoprene.xlsx: hourly carbon monoxide and isoprene measurements. Meteo.xlsx: hourly meteorological parameters. Readme_Dataset_Chen_et_al_2026.txt: description of the dataset, variables, units, time zone, and file contents. All data are provided at 1 h time resolution and use UTC+8 time zone.