The Sacramento region’s air quality reached “unhealthy for sensitive groups” level on Thursday morning, according to IQAir.

The EPA won't consider the economic costs of harms to human health, at least for now. Legal and health experts are concerned ...

While ringing in 2026, fine particle levels potentially left from exploding fireworks spiked in these locations.

Internal emails reveal that the EPA plans to stop assigning a dollar value to the health benefits of reducing 2 major pollutants: Fine particulate matter, known as PM2.5, and ozone. Instead, the ...

Long-term exposure to fine particulate matter like PM2.5 components in polluted air can not only cause respiratory diseases, but also increase the risk of depression in older people, especially in ...

The National Academies is convening an expert committee to consider the state-of the-science on the health risks of exposure to fine particulate matter (PM2.5) indoors and engineering solutions and ...

A new study has established a link between exposure to atmospheric pollution and modifications to the immune system that ...

CORVALLIS, Ore. — This year’s wildfire season is expected to be just as bad as we saw in the summer of 2024, which will mean very smoky skies and poor air quality. According to new research from ...

Study links higher air pollution exposure to increased risk of eczema, with PM2.5 concentrations nearly doubling the odds of the condition. Study: Association between fine particulate matter and ...

The process of heterogeneous condensation plays a pivotal role in the contemporary approach to flue gas desulfurization. By utilising the condensation of water vapour onto fine particulate matter, ...

For pregnant women, exposure to fine particulate air pollution (PM2.5) was associated with altered immune responses that can lead to adverse birth outcomes, according to a new study. The study is ...