Air Quality Alert: Houston-Galveston-Brazoria Area Reaches Unhealthy for Sensitive Groups Level

Air Quality low EPA · · Houston-Galveston-Brazoria, TX

On February 19, 2026, air quality in the Houston-Galveston-Brazoria area reached an AQI of 109, categorized as Unhealthy for Sensitive Groups due to fine particulate matter (PM2.5).

Current Air Quality

In the Houston-Galveston-Brazoria reporting area of Texas, air quality observations for February 19, 2026, indicate varying levels of pollutants. The primary concern is fine particulate matter (PM2.5), which reached an Air Quality Index (AQI) of 109, placing it in the “Unhealthy for Sensitive Groups” category. Ozone (O3) levels remained “Good” with an AQI of 25.

What This Means

An AQI level of 109 (Unhealthy for Sensitive Groups) means that members of sensitive groups may experience health effects. The general public is less likely to be affected by these conditions. This category is used when air quality is potentially unhealthy for specific populations while remaining acceptable for most healthy individuals.

Who Should Take Precautions

Groups at risk include people with heart or lung disease, older adults, children, and teenagers. These individuals are more sensitive to the effects of fine particulate matter (PM2.5) and should monitor their activity levels accordingly.

What You Should Do

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 expected to be affected and can continue normal outdoor activities.

Source

Data provided by EPA AirNow.

Source: EPA Official Notice