Pollution monitoring is a field of research that focuses on the measurement, analysis, and assessment of pollutants in the environment. This includes air, water, soil, and noise pollution monitoring. Researchers in this area use various tools and technologies to collect data on pollutant levels, track trends over time, and evaluate the impact of pollution on human health and the environment. The ultimate goal of pollution monitoring research is to develop strategies for reducing and controlling pollution to protect public health and the natural environment.