A large area of greater Los Angeles had unhealthy air Friday, due to particulate matter from large wildfires. Here are tips ...

What we’re really worried about is the PM2.5 levels,” or the fine particles in wildfire smoke, which have a diameter of less ...

The biggest stories of the day delivered to your inbox.

As people return to the structures spared from Los Angeles wildfires, experts warn that they should be careful of the air ...

Risk Disclosure: Trading in financial instruments and/or cryptocurrencies involves high risks including the risk of losing some, or all, of your investment amount, and may not be suitable for all ...

Merv Riepe is expected to challenge Hardin for ... The Omaha-dominated 2nd District created a so-called “blue dot” on the state map by giving its electoral vote to Democratic candidates ...