The advisories impact large areas of Idaho, Oregon, Montana and Washington, lasting through the end of January.

The Air Quality Index measured 156 near Forks, Washington, and received a rating of "unhealthy," meaning some members of the ...

Calculating air pollution from wildfires and other events has become more complicated. That doesn’t mean it’s necessarily ...

Once you get into emergency preparation, it can be easy to go overboard. But you don’t have to go full “doomsday prepper” to give yourself a leg up.

Three active fires in Los Angeles neared full containment Sunday, as the region receives much-needed rain that has produced ...

When this vortex weakens, it can send frigid air from the Arctic southward, bringing dangerously cold temperatures to mid-latitude regions like the southern United States. In 2021, the polar ...

The states with the lowest rates of COVID-19 tests ... which also often have poor ventilation compared to open-air environments, increasing the concentration of airborne viruses.

UN Member States ... healthy air quality in the context of sustainable cities and human settlements. Also, the 2030 Agenda for Sustainable Development, which outlines a road map to achieving ...

Maps show what to expect as ... and when the jet stream allows, this cold air can drop farther down into lower latitudes like in the United States. This is forecast to happen as soon as this ...

Additionally, one metric was "health and safety", which examined aspects like pediatricians per capita, the number of children's hospitals, infant mortality rate, air pollution and violent crimes.

Shortly after receiving an SLL, Canada-based Enbridge expanded a pipeline carrying tar sands oil from Alberta to the United ...