• Video
  • Shop
  • Culture
  • Family
  • Wellness
  • Food
  • Living
  • Style
  • Travel
  • News
  • Book Club
  • Newsletter
  • Privacy Policy
  • Your US State Privacy Rights
  • Children's Online Privacy Policy
  • Interest-Based Ads
  • Terms of Use
  • Do Not Sell My Info
  • Contact Us
  • © 2026 ABC News
  • News

Nevada records worst air quality on record as wildfire smoke spreads

0:12
Massive wildfires burning near Lake Tahoe
Andy Barron/RGJ via USA Today Network
ByIvan Pereira
August 24, 2021, 10:50 PM

Smoke from the raging wildfires in the West Coast was so severe that it created an air quality alert as far as Reno, Nevada, on Tuesday.

Several Nevada counties reported their worst recorded air quality index numbers in the two decades they’ve been monitoring air quality.

Related Articles

MORE: Dangerous fire conditions continue as dozens of wildfires devastate the West

Washoe County, which includes Reno, recorded a high of 291 AQI Tuesday, according to the Washoe County Air Quality Management Division.

The agency noted that the levels of fine particle matter, PM, was dangerously high.

Smoke from the Dixie and Caldor fires in Northern California covers I-80 highway, as seen from the Sparks Boulevard overpass in the Truckee Meadows area near Reno, Nevada, Aug. 17, 2021.
Andy Barron/RGJ via USA Today Network

"With a new record set, the top 10 worst PM2.5 daily average AQIs have now all occurred within the last 11 months. We also set a record for the worst PM10 day as well with an AQI of 183," the agency tweeted.

Related Articles

MORE: Climate change may be causing an early start to fire season in the West, experts say

The poor air quality resulted in the closure of schools in several Nevada counties and Lake Tahoe Community College Tuesday. Clark County, Nevada, issued an air health advisory and urged people to stay indoors and close their windows.

Smoke from wildfires in California blankets downtown Reno, Nev., Aug. 18, 2021, obscuring the Sierra range typically visible to the west.
Scott Sonner/AP

The smoke has been an ongoing problem for the West Coast as several wildfires are burning in California. The Caldor Fire, which Washoe County AQMD said is the cause of its poor air quality, has burned 117,704 acres and was only 9% contained as of Tuesday, according to the California Department of Forestry and Fire Protection.

Up Next in News—

Gas station clerk speaks out after foiling alleged kidnapping

April 15, 2026

Oklahoma high school principal takes down would-be shooter, hailed as hero

April 15, 2026

Family seeks answers after influencer Ashlee Jenae is found dead on vacation in Tanzania

April 15, 2026

Couple shares warning after nearly losing down payment in mortgage fraud

April 10, 2026

Shop GMA Favorites

ABC will receive a commission for purchases made through these links.

Sponsored Content by Taboola

The latest lifestyle and entertainment news and inspiration for how to live your best life - all from Good Morning America.
  • Contests
  • Terms of Use
  • Privacy Policy
  • Do Not Sell My Info
  • Children’s Online Privacy Policy
  • Advertise with us
  • Your US State Privacy Rights
  • Interest-Based Ads
  • About Nielsen Measurement
  • Press
  • Feedback
  • Shop FAQs
  • ABC News
  • ABC
  • All Videos
  • All Topics
  • Sitemap

© 2026 ABC News
  • Privacy Policy— 
  • Your US State Privacy Rights— 
  • Children's Online Privacy Policy— 
  • Interest-Based Ads— 
  • Terms of Use— 
  • Do Not Sell My Info— 
  • Contact Us— 

© 2026 ABC News