Air Quality Warning: Phoenix, Arizona

The state's air regulatory department issued a heath warning for Tuesday and Wednesday (11/13 - 11/14), anticipating high levels of particulate matter in the air.

The Arizona Department of Environmental Quality officials suggest people with ususually sensitive breathing issues consider staying indoors or limiting outside exertion. Particulate matter is defined as solid and liquid particles in the air, both from natural and manmade sources. Particles with diameters of less than 10 micrometers, known as PM-10, pose the greatest health risk because they accumulate in respiratory systems.

For more please visit www.azdeq.gov/index.html