Air Quality Alert: Las Vegas Reaches Unhealthy Levels for PM10
On March 18, 2026, air quality in Las Vegas, NV reached 'Unhealthy' levels with a PM10 AQI of 153, prompting health precautions for the general public.
Current Air Quality
On March 18, 2026, the reporting area of Las Vegas, NV, recorded an air quality index (AQI) of 153. The primary pollutant of concern is PM10, which has reached the ‘Unhealthy’ category. Other measured pollutants include PM2.5 with an AQI of 85 (Moderate) and Ozone (O3) with an AQI of 31 (Good).
What This Means
An AQI level of 153 falls into the ‘Unhealthy’ category. At this level, the air quality is considered unhealthy for the general public. Everyone may begin to experience health effects, and members of sensitive groups may experience more serious health effects.
Who Should Take Precautions
While the entire population may be affected, specific groups are at higher risk. These include:
- People with heart or lung disease
- Older adults
- Children and teenagers
What You Should Do
To protect your health when air quality is Unhealthy:
- Everyone: Reduce prolonged or heavy exertion. Take more breaks and do less intense activities.
- Sensitive groups: Avoid prolonged or heavy exertion. Consider moving activities indoors or rescheduling them to a time when air quality is better.
Source
Data provided by EPA AirNow.
Source: EPA Official Notice
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