With climate change, not specifically, but if you take a look at air health effects, particularly in vulnerable populations, there is evidence to suggest that smog, in particular, does have an impact on seniors as a vulnerable population--so not children, but a different vulnerable population. And those who have pre-existing health conditions do suffer more as a result of what are often described as “bad air days”.
On November 6th, 2006. See this statement in context.