Follow this link to check live Covid Risks
https://covid19risk.biosci.gatech.edu/
The map shows the risk level of attending an event, given the event size and location.
You can reduce the risk that one case becomes many by wearing a mask, distancing, and gathering outdoors in smaller groups
The risk level is the estimated chance (0-100%) that at least 1 COVID-19 positive individual will be present at an event in a county, given the size of the event.
Also some countries outwith the US are covered.