adcelannotate = {"mobilepaywallcategory" : "MOBILE_PREM-LOCAL","nativepaywallcategory" : "NATIVE_PREM-LOCAL"};Columbus is under a smog alert today, the second day in a row that an air quality warning has been in effect. The Mid-Ohio Regional Planning Commission recommends that older adults, children and people with lung diseases such as asthma avoid "prolonged or heavy outdoor exertion."