Methods for Estimating Exposure

Exposure to air pollution is commonly measured by placing a monitor in the breathing zone of a subject. If the subject's activity patterns are recorded simultaneously, then it is possible to understand how a person's exposure profile is determined by places they visit, or by their activities or activities of those around them.

For example, if a person spends time around a smoker at home, or if they work in a factory with chemicals present, the monitor will register the elevated levels that coincide with the person being at home or at work.

Unfortunately, it is typically too burdensome or