Primary air pollutant in the Crystal City area:

PM2.5 - 113 Unhealthy for Sensitive Groups

People with heart or lung disease, older adults, children and teens – take any of these steps to reduce your exposure:

• Choose less strenuous activities (like walking instead of running) so you don’t breathe as hard.
• Shorten the amount of time you are active outdoors.
• Be active outdoors when air quality is better.
• Everyone else: Enjoy your outdoor activities.

Primary air pollutant in the Crystal City area:

OZONE - 23 Good

Enjoy your outdoor activities.

Other Pollutants: