<p>What is air pollution doing to our kids? If you live in L.A. County, and especially if you’ve driven back to the Los Angeles basin from somewhere else, you’ve seen it. A steely brown haze hangs over us for much of the year. We live in the smoggiest region in the United States (according to the South Coast Air Quality Management District), but for those raising children here it may not be top of mind. In some parts of the county, moms claw their way onto waiting lists for the “right” preschool while they are still pregnant. Concerns about finding the right neighborhood, the right school, about keeping kids away from gangs and drugs or getting them to turn off the Xbox and do some homework tend to take center stage. The air we breathe gets plenty of media coverage, but we tend to consider it more of an inconvenience than an emergency.</p><p>Yet at every stage of children’s lives – from their time in the womb until they’re ready to leave the nest – the pollution in the air impacts their health. 2010 California Health Journalism Fellow Christina Elston reports.</p>