adcelannotate = {"mobilepaywallcategory" : "MOBILE_PREM-LOCAL","nativepaywallcategory" : "NATIVE_PREM-LOCAL"};A smog alert has been issued for Wednesday across central Ohio — the second this year. The last alert — on May 8 — was the first warning since June 2013. The Mid-Ohio Regional Planning Commission, which forecasts air quality, issued the warning today.