Analysis of Pollution Characteristics and Contributions of Firework Burnings in Nanchang during the Spring Festival.

This study investigates the impact of fireworks on air quality during the Spring Festival in Nanchang City, utilizing high-resolution monitoring data from February 7th to 15th, 2021. Significant variations in K concentrations were observed, indicating severe air quality impacts. During the most intense discharge event A, K concentrations were 20.