Low Covid-19 risk in Costilla, Colorado.
Low Flu risk in Costilla, Colorado.
Low Rsv risk in Costilla, Colorado.
Low Infectious risk in Costilla, Colorado.
Low Allergy risk in Costilla, Colorado.
Low Pollution risk in Costilla, Colorado.
Moderate Weather activity in Costilla, Colorado.
Last updated: April 20, 2026
Data refreshed weekly