PurpleAir sensors reported elevated levels of unhealthy air around the Bay Area on Saturday morning, with motorists noting a ...

The ability to measure carbon dioxide sets some air quality monitors apart from others. High CO2 levels signal that air circulation in your home is poor, which can in turn lead to headaches and ...

SAN ANTONIO – Smoky fires, Saharan dust, traffic exhaust and more can affect the air we breathe, so it can be helpful to monitor air quality. “Microscopic particles in smoke are linked to asthma, ...

Smoke from the Canadian wildfires has sparked air quality advisories across much of the U.S. since May. Now millions of Americans are bracing themselves for another wave of smoke that’s making its way ...

SEATTLE — That thick orange haze from the wildfires burning in Canada had many Americans on the east coast running inside for cover. Along with being uncomfortable, the polluted air from wildfire ...

Lancaster County Sierra Club members aren’t satisfied with the county’s two state-regulated air pollution monitors, so they've recruited volunteers to generate a fuller picture of the hazards fine ...

State employees wave at each other while taking a walk at the Empire State Plaza on Thursday, June 29, 2023 in Albany, N.Y. Smoke from wildfires in Canada caused poor air quality in New York. Some ...