Biomass burning is a non-negligible source for ammonium during winter haze episodes in rural North China: Evidence from high time resolution 15N-stable isotopes

The concentrations of PM2.5 and NH4+ and the values of δ15N-NH4+ during haze episodes were listed in this excel

本Excel表格列出了霾事件期间的细颗粒物（PM2.5）、铵离子（NH4+）浓度以及铵态氮的δ15N同位素比值（δ15N-NH4+）数据。