It’s a national poll....The only voters she needs to be concerned with are the ones to the East of New Hampshire
Although national in scope, it is a poll of each state ranking thier senators.
Morning Consult’s Senator Approval Rankings
On a daily basis, Morning Consult is surveying over 5,000 registered voters across the United States on their senators. Each quarter, we’ll update this page with the latest survey data, providing an in-depth look at how all 100 U.S. senators stand with voters in their state.
Https://morningconsult.com/senator-rankings/