Pictures from around western Colorado and eastern Utah
Afternoon Ventilation Index
National Weather Service
Grand Junction, CO

No data available

POOR < 40,000 Knot Feet
FAIR 40,000 to 59,999 Knot Feet
GOOD 60,000 to 99,999 Knot Feet
VERY GOOD 100,000 to 149,999 Knot Feet
EXCELLENT >= 150,000 Knot Feet is the U.S. government's official web portal to all federal, state and local government web resources and services.