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

Source: EPA · Houston-Galveston-Brazoria, TX

Areazine synthesizes this EPA air-quality advisory directly from EPA's official public data feed. See our methodology for full source attribution and refresh cadence.

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).

What this EPA air-quality advisory tells you, and what most readers miss

This notice was issued by EPA on April 6, 2026 and geographically references Houston-Galveston-Brazoria, TX. Its severity classification of "low" signals how the issuing agency weighs the risk of harm if no action is taken - "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to - Air Quality - determines the informational context it sits in, and which agency or body is the authoritative source for updates.

Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to verify its scope, source, and timestamp, then compare related notices without assuming that one record proves a broader trend.

Areazine pairs this record with the original agency URL so you can check the primary source before acting. Its related labels are air-quality, epa, aqi, Houston-Galveston-Brazoria.

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.

Original source: EPA Official Notice ↗

All Air Quality →

Frequently Asked Questions

Common questions about this EPA air-quality advisory.

What is this EPA air-quality advisory about?
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).
Which agency issued this alert?
This alert was issued by EPA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "low" severity. No immediate action required, but stay aware.
What area is affected?
This alert affects Houston-Galveston-Brazoria, TX. Check with EPA for the most current geographic scope.
Where can I find more Air Quality updates?
Browse the full Air Quality feed on Areazine at areazine.com/air-quality/ for the latest updates from EPA and other agencies.