Simplify the following text for a Grade 10 native English-speaking person.
Original: Capital Region International Airport , formerly known as Lansing Capital City Airport , is a public , Class C airport located 3 m northwest of downtown Lansing in DeWitt Township , Michigan .
Simplified: Capital Region International Airport , is a public airport located in DeWitt Township , Clinton County , Michigan . The airport is located northwest of Lansing , Michigan .