Air Quality Alert: Las Vegas, NV Reaches Unhealthy for Sensitive Groups Level

Air Quality low EPA · · Las Vegas, NV

Air quality in Las Vegas, NV reached an AQI of 128 for PM2.5 on February 23, 2026, placing the area in the Unhealthy for Sensitive Groups category.

Current Air Quality

In Las Vegas, NV, the air quality for February 23, 2026, has 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 128. Other pollutants monitored include Ozone (O3) with an AQI of 31 (Good) and PM10 with an AQI of 47 (Good).

What This Means

An AQI level of 128 falls within the Unhealthy for Sensitive Groups (USG) range. This means that while the general public is unlikely to be affected, individuals with specific health conditions may experience respiratory or cardiovascular symptoms due to the concentration of PM2.5 in the air.

Who Should Take Precautions

Groups at higher 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 and should monitor their health closely during this period.

What You Should Do

Members of sensitive groups are advised to reduce prolonged or heavy exertion outdoors. It is recommended to take more breaks, engage in less intense activities, and watch for symptoms such as coughing or shortness of breath. The general public can continue their normal outdoor activities.

Source

Data provided by EPA AirNow.

Source: EPA Official Notice