Indianapolis Air Quality Alert: PM2.5 Levels Reach Unhealthy for Sensitive Groups

Current Air Quality

On February 12, 2026, the air quality in the Indianapolis, IN reporting area reached a level categorized as Unhealthy for Sensitive Groups. The primary pollutant of concern is fine particulate matter (PM2.5), which recorded an Air Quality Index (AQI) value of 101. Other pollutants monitored in the area include Ozone (O3) with an AQI of 5 (Good) and PM10 with an AQI of 19 (Good).

What This Means

An AQI level of 101 falls within the ‘Unhealthy for Sensitive Groups’ range. At this level, air quality is considered acceptable for the general public; however, members of sensitive groups may experience health effects due to the concentration of fine particles in the atmosphere.

Who Should Take Precautions

According to standard health guidance, the following groups are at a higher risk from PM2.5 exposure:

• People with heart or lung disease (including asthma)
• Older adults
• Children and teenagers
• People with diabetes

What You Should Do

Members of sensitive groups should consider reducing prolonged or heavy outdoor exertion. It is recommended to take more breaks and engage in less intense outdoor activities. Watch for symptoms such as coughing or shortness of breath. The general public is not likely to be affected and can continue with normal outdoor activities.

Source

Data provided by EPA AirNow.