The South Coast Air Quality Management District is forecasting unhealthy levels of air pollution for sensitive people today and Tuesday in the Santa Clarita Valley.

Active children and adults, along with people with lung disease, are advised to reduce prolonged or heavy exertion outdoors when pollutants reach levels considered unhealthy for sensitive groups.

For more information on air pollution, see The Signal's story at http://www.the-signal.com/section/36/article/67541/.