17,835
Recorded events
2
Counties affected
69
Direct deaths
$53.2M
Property damage
17,835 dense fog events are recorded across 2 U.S. counties between 1996 and 2026.
Systematic records for this hazard begin in 1996 — earlier gaps reflect reporting practice, not calm weather.
Most affected
Top counties for dense fog
| Rank | County | Events | Deaths | Damage |
|---|---|---|---|---|
| #1 | Citrus County, Florida | 1 | 0 | $0 |
| #2 | Rockingham County, Virginia | 1 | 0 | $0 |