Code Yellow Air Quality or moderate level for particle pollution are forecast for Thursday and Friday. This may cause health ...

The National Weather Service issued air quality alerts on Monday for millions of Americans in Wisconsin, Michigan, ...

Maine's air quality continues to suffer from lingering Canadian wildfire smoke, so we asked a health expert why exposure to ...

The EPA says if you are sensitive to particle pollution, consider reducing your activity level or shorten the amount of time ...

Air quality alerts have been issued across 12 states for Wednesday, according to the National Weather Service.

Particle size also comes into play, with particulate matter 2.5 µm in diameter or smaller (PM 2.5) causing greater harm.

The existence of the Higgs boson completes the standard model of particle physics. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. On April ...

That’s because particle masses are a consequence of elementary particles interacting with a field, dubbed the Higgs field. Because the Higgs boson exists, we know that the field exists.

Fine particulate air pollution is referred to as PM2.5 because the particles are less than 2.5 microns in diameter – 40 times smaller than a grain of sand. Fine particle matter pollution ...

It’s been a year since the new Euro 7 regulation was released. With transition periods, new vehicle models will need to ...