Five Things to Know in Centreville Today

1) A code orange air quality alert is in effect Monday for Fairfax County and the D.C. metro area. This means that air pollution concentrations within a region may become unhealthy for sensitive groups, according to the National Weather Service. People who have heart or lung diseases, those with asthma, children and the elderly should avoid exercise outdoors or strenous activity. 

2) Thirsty? from . No purchase necessary. 

3) Lovein the Union Mill Colonnade? They're competing in Northern Virginia magazine's "NoVa Wars: The Frozen Four." On Wednesday you can vote for them, Moo Thru, Frozen Dairy Bar or Peterson's. 

4) Beat the heat at Tuesday, sponsored by. Families can enjoy hot dogs, sno cones, moonbounces and face painting. 

5) SYA girls softball needs two people toNo coaching or softball experience necessary!

Bonus fact: On this day in history, baseball great (and Baltimore native) Babe Ruth made his major league debut. Our colleagues at  that while Ruth is known primarily for his years in the New York Yankees, he was first signed by the Baltimore Orioles.