Worst now
Maryland air quality today
Columbia Maryland38
GoodUS AQI
Healthy air supports better stamina during outdoor workouts
Updated · AirNow
3 cities in Maryland are reporting. Median US AQI 34 (Good). Columbia is at 38 (Good); Annapolis is cleanest at 6.
- Good 3
Updated 9:40 am ET. Source: US EPA AirNow.