Air Quality Alert: Chicago, IL Reaches Unhealthy for Sensitive Groups Level
On February 16, 2026, air quality in Chicago, IL reached an AQI of 143, categorized as Unhealthy for Sensitive Groups due to PM2.5 levels.
Current Air Quality
As of February 16, 2026, the reporting area of Chicago, IL, is experiencing air quality levels categorized as “Unhealthy for Sensitive Groups.” The primary pollutant of concern is fine particulate matter (PM2.5), which has reached an Air Quality Index (AQI) reading of 143.
What This Means
An AQI value between 101 and 150 indicates that air quality is unhealthy for members of sensitive groups. While the general public is less likely to be affected at this level, those with specific health conditions may experience health effects from exposure to the air.
Who Should Take Precautions
Groups at increased risk from PM2.5 exposure include:
- 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 engage in less intense activities. Watch for symptoms such as coughing or shortness of breath. The general public is not likely to be affected by these conditions.
Source
Data provided by EPA AirNow.
Source: EPA Official Notice