Summary
People in parts of Arizona, New Mexico, and Texas have been told to stay indoors due to high levels of tiny air pollution particles called PM2.5, which can be harmful. The Environmental Protection Agency (EPA) says these particles can cause health problems, especially for older adults, children, and people with respiratory issues. Residents are advised to limit outdoor activities and use air purifiers indoors.
Key Facts
- Arizona, New Mexico, and Texas reported "unhealthy" air quality levels on January 19, 2026.
- The EPA's AirNow Map showed high PM2.5 levels, which are tiny pollution particles.
- PM2.5 particles are smaller than 2.5 micrometers and can reach the bloodstream when inhaled.
- Sensitive groups like older adults, children, and people with asthma are at higher risk.
- The EPA advises everyone to limit outdoor activity until the air quality improves.
- Causes of high PM2.5 levels include dust, smoke, and vehicle emissions.
- People should avoid creating indoor pollution by not burning candles or using woodstoves.
