atmospheric and  analytical chemistry

at Bucknell University

Our group uses cutting-edge analytical tools to learn about the unique processes that happen when the atmosphere meets a solid or liquid surface.

Prof. Collins is always interested in talking to potential new research group members. Contact him here.

Air Quality in Central PA

Are the two Air Quality Index (AQI) values different?

The airborne particulate matter (PM2.5) sensor on our campus only measures one kind of air pollutant, so the AQI is based on only a portion of the pollutants that actually can affect our health. However, there are many more of these PM2.5 sensors that we can use to get a sense of air quality right where we live -- it just might not tell the whole story.

The US EPA Air Quality index for the area around Lewisburg uses both PM2.5 and ground-level ozone to assess the AQI. This value is more relevant for our overall health because it captures two of the key air pollutants that can affect our health.

PM2.5 Sensor @ Bucknell

US EPA Air Quality Index

Measurements and Models using PM2.5 and Ozone

Air pollution is one of the most important health risk factors globally. Learn more about how it affects our health.