Air Quality Alert: Metro Baltimore, MD Reaches Unhealthy for Sensitive Groups Level

Air Quality low EPA · · Metro Baltimore, MD

On February 26, 2026, air quality in Metro Baltimore, MD reached an AQI of 117, categorized as Unhealthy for Sensitive Groups due to fine particulate matter (PM2.5).

Current Air Quality

On February 26, 2026, the reporting area of Metro Baltimore, MD recorded an air quality index (AQI) of 117. The primary pollutant of concern is fine particulate matter (PM2.5), which has reached the Unhealthy for Sensitive Groups category.

Additional pollutant readings for the area include:

  • PM10: 52 (Moderate)
  • O3 (Ozone): 12 (Good)

What This Means

An AQI level of 117 falls into the “Unhealthy for Sensitive Groups” category. This indicates that while the general public is not likely to be affected, individuals with specific health conditions may experience adverse effects from breathing the air.

Who Should Take Precautions

Groups at increased risk from PM2.5 exposure include:

  • People with heart or lung disease (such as asthma)
  • Older adults
  • Children and teenagers

What You Should Do

For those in sensitive groups, it is recommended to reduce prolonged or heavy outdoor exertion. While it is generally safe to be active outdoors, you should take more breaks, choose less intense activities, and monitor for symptoms like coughing or shortness of breath. The general public is less likely to be affected and does not need to modify activities.

Source

This information is provided by the EPA AirNow service.

Source: EPA Official Notice