particle pollution
Coverage of particle pollution in the Nexus archive.
- Why was it so hazy in Middle Tennessee this morning?
Hazy skies in Middle Tennessee were caused by heat, humidity, and urban emissions rather than Canadian wildfires affecting other U.S. regions. Air quality is expected to remain in 'good' to 'moderate' levels, with minor impacts through the weekend.
- How extreme heat increases pollutants
Extreme heat in Mecklenburg County increases pollutants like ozone and smog due to stagnant air, sunlight, and high temperatures. Health risks are heightened for sensitive groups, and motor vehicles are identified as a major local pollution source.
- Southern California air quality could reach hazardous levels after July 4 fireworks, officials say
Southern California officials warn that air quality may reach hazardous levels following July 4 fireworks due to smoke pollution. The South Coast AQMD issued a particle pollution advisory, highlighting risks for individuals with heart or lung conditions.
- Pasadena Sees Lessened Risk as Particle Pollution Advisory Extends to Tuesday
A regional particle pollution advisory remains in effect for Pasadena through Tuesday due to smoke from a Boyle Heights structure fire. PM2.5 readings improved in several Los Angeles areas starting Sunday, but the advisory was extended as air quality near the fire remains impacted.
- Air Quality Advisory Covering Pasadena Extended Through Monday as Boyle Heights Fire Smoke Lingers
An air quality advisory for Pasadena and the San Gabriel Valley was extended through Monday due to lingering smoke from a Boyle Heights warehouse fire. The South Coast Air Quality Management District reported fine-particle pollution levels ranging from 'Unhealthy for Sensitive Groups' to 'Very Unhealthy' since Saturday night.
- New report rankes the cleanest and most polluted U.S. cities
A new report ranks U.S. cities based on air quality, evaluating the presence of ozone and particle pollution. The study provides insights into the cleanest and most polluted urban areas across the country.
- Almost half of US population breathes unhealthy air: Earth Day report
The American Lung Association's Earth Day report reveals that nearly half of the U.S. population faces unhealthy air quality, with improvements in particle pollution offset by worsening ozone impacts.
- Nearly half of US children are breathing dangerous levels of air pollution, report warns
A report by the American Lung Association reveals nearly half of U.S. children are exposed to dangerous air pollution levels, citing data from 2022–2024. Experts warn that the Trump EPA’s environmental protection rollbacks exacerbate the issue, with the report analyzing ozone and particle pollution trends.