The weather situation in California and Oregon requires extra precautions. The U.S. Environmental Protection Agency (EPA) ...

Air Quality Index, or AQI, and PM2.5, particulate matter which measures 2.5 micrometers or less, are not the same thing. But both do refer to how polluted the air is, just in different ways. AQI, an ...

A study of over 122,000 people links exposure to fine particles and gaseous air pollutants with increased risk of specific ...

Poor air quality has led to advisories recommending residents stay indoors in some areas of California. Official measurements ...

Wildfire smoke from Canada has clouded much of the Northeast, leaving millions of Americans exposed to unhealthy levels of particulate matter. Here's what you need to know on the dangers of wildfire ...

Tommy Liu builds a vehicle-mounted particulate matter monitoring system powered from harvested wind energy and an integrated ...

The Environmental Protection Agency released the final version of a much-anticipated rule on Wednesday that tightens restrictions on fine particulate matter — one of the most pervasive and dangerous ...

Long-term exposure to specific particulate matter components, such as PM2.5, including sulphate, ammonium, elemental carbon, and soil dust, can increase the risk of mental health issues like ...

According to a new study published in JAMA Network Open, exposure to fine particulate matter air pollution during the early ...