smog surrounds U.S. west NOAA/NERL

Rural West sees more smog as local emissions decline

Increased pollution from Asia, which has tripled nitrogen oxide emissions since 1990, is to blame for persistence of smog in the West.

Ground-level ozone, also known as smog, has climbed in the rural West over the past 25 years, even in such seemingly pristine places as Yellowstone National Park, according to the National Oceanic & Atmospheric Administration (NOAA).

Now, scientists may have found out why this is — and why cutting local output of smog-forming chemicals such as nitrogen oxide hasn’t helped.

All access premium subscription

This content requires a subscription to Feedstuffs in order to access. If you are a paid subscriber, use your email and password to Log In now.


Current Feedstuffs Subscribers: Online and mobile access are now included at no charge to you. To read this article, use your subscriber email and password to log-in to your account (or contact us for assistance in updating your account.)


Not Currently a Subscriber: Subscribe NOW to Feedstuffs and receive our print and/or digital publications, enewsletters and premium online content. Visit Feedstuffs.com and click on Subscribe at the top of the page for more information.


SUBSCRIBE NOW https://circulation.feedstuffs.com/Publications.aspx


TO RENEW YOUR SUBSCRIPTION https://circulation.feedstuffs.com/SubscriptionOffers.aspx


Hide comments

Comments

  • Allowed HTML tags: <em> <strong> <blockquote> <br> <p>

Plain text

  • No HTML tags allowed.
  • Web page addresses and e-mail addresses turn into links automatically.
  • Lines and paragraphs break automatically.
Publish