Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Impact levels as defined by county lifeguard sampling program
| Respiratory irritation report | In a 30 s sample |
|---|---|
| None | No coughing/sneezing heard in ~30 s |
| Slight | A few coughs/sneezes heard in ~30 s |
| Moderate | A cough/sneeze heard every ~5s |
| High | Coughing/sneezing heard almost continuously |
