There are over 400,000 drivers in California who currently have decals - many of them bought their clean air vehicle to speed up their commute so losing that privilege is a big deal. A Tesla ...

The air quality west of the Cascades from Vancouver ... according to the U.S. Environmental Protection Agency. In the Pacific Northwest, relief should come Friday.

PORTLAND, Ore. — Much of Oregon and Washington saw worsened air quality and hazy skies on Friday. In many spots across the Northwest, air quality levels had decreased to "moderate" by the ...