Air Quality Alert: Metro Baltimore Reaches Unhealthy for Sensitive Groups Level
On February 28, 2026, air quality in Metro Baltimore, MD reached an AQI of 126, categorized as Unhealthy for Sensitive Groups due to fine particulate matter (PM2.5).
Current Air Quality
As of February 28, 2026, the Metro Baltimore area in Maryland is experiencing elevated air pollution levels. The primary pollutant of concern is fine particulate matter (PM2.5), which has reached an Air Quality Index (AQI) of 126, placing it in the “Unhealthy for Sensitive Groups” category. Other measured pollutants include PM10 with an AQI of 58 (Moderate) and Ozone (O3) with an AQI of 12 (Good).
What This Means
An AQI level of 126 (Unhealthy for Sensitive Groups) means that air quality is becoming unhealthy for certain members of the population. While the general public is less likely to be affected at this level, individuals with specific health conditions may experience health effects.
Who Should Take Precautions
The following groups are at higher risk and should take precautions:
- People with heart or lung disease
- Older adults
- Children and teenagers
What You Should Do
Members of sensitive groups should consider reducing prolonged or heavy exertion outdoors. It is advisable to take more breaks and do less intense activities. Watch for symptoms such as coughing or shortness of breath. The general public is not likely to be affected.
Source
Data provided by EPA AirNow.
Source: EPA Official Notice