With temperatures expected to get into the low 90s, an Air Quality Alert has been issued.
The state DEP issued the Code Orange alert for Butler and surrounding counties.
The alert means that air pollution concentrations in the area may be unhealthy for young children, seniors and those with respiratory issues.
Officials say to avoid strenuous outdoor exercise or activities.
The warm weather is also leading Central Electric Cooperative to issue a Peak Alert. They ask that customers preserve power by turning off non-essential electric items and raising your thermostat a few degrees from 1 to 7 p.m.