Is the Fog Making People Sick? Science, Weather, and a Viral Winter Myth

Fog is back and so are the claims.

In Florida and across the southern U.S., people are reporting headaches, breathing issues, infections, and other illnesses during foggy weather, with some blaming “toxic fog,” chemical exposure, or government interference.

So what’s really going on?

In this episode, meteorologist Rob Jones explains what fog actually does to the human body, why symptoms like sinus pressure and headaches can occur, and why these fears resurface every winter — often lining up with flu season and stagnant air patterns.

We separate science from speculation, break down what fog can and cannot do, and explain why social media keeps turning normal winter weather into a viral health scare.

If you’ve ever wondered whether fog made you sick, this episode gives you real answers.

00:00 Is the fog making people sick?

02:10 Why fog is more common in winter

05:15 What fog can do to your sinuses and airways

08:50 Fog vs viruses and infections

13:10 Why this myth comes back every year

18:45 Final takeaway