Air Quality Officials Warn Shasta Residents of Wildfire Smoke Impacts

The Green Fire burning in Shasta County could cause dangerous smoke particles to travel into populated areas. Here’s what you need to know.

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Screenshot from Cal Fire’s website that shows the Green Fire, which started on July 1, 2025.

The Shasta County Air Quality Management District is urging Shasta residents to be cautious of potential smoke impacts today, July 7, due to the Green Fire burning just north of Shasta Lake. 

The fire started on July 1, and 1,154 acres have been burned so far, according to Cal Fire. The California Interagency Incident Management Team 10 is currently managing the fire. 

The Air Quality District said in a press release that winds could facilitate wildfire smoke into populated areas of Shasta County, and that some areas may experience higher concentrations of smoke, including Bella Vista, Palo Cedro, Shingletown, Round Mountain and Big Bend. 

Those with respiratory or heart disease, the elderly, pregnant women and children are especially advised to be cautious and reduce or avoid outdoor exertion when wildfire smoke is in the area. The district said all residents should limit exposure by reducing exercise and outdoor activities, remaining indoors with windows and doors closed and turning on air conditioners with a recirculation setting. 

As noted in Shasta Scout’s earlier reporting, the ability to see or smell smoke is not a good indicator of whether toxic particles are in the air. Wildfire smoke particles, which can be measured in microns, are small enough to penetrate deep into lungs. Research shows wildfire smoke can irritate eyes and airways, worsen asthma and contribute to cardiac events and strokes, as well as decrease the body’s ability to fight bacteria and viruses in the lungs. Wildfires may also increase toxic metals in the air, such as lead and zinc. 

Experts recommend the Environmental Protection Agency’s site AirNow for air quality monitoring. The EPA’s Fire & Smoke Map can also be used to detect air quality smoke impacts and Air Quality Index information. 

Madison Holcomb is a recent graduate of the University of Illinois Urbana-Champaign. She’s reporting for Shasta Scout as a 2025 summer intern with support from the Nonprofit Newsroom Internship Program created by The Scripps Howard Fund and the Institute for Nonprofit News.


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Author

Madison is a multimedia reporter for Shasta Scout. She’s interested in reporting on the environment, criminal justice and politics.

Comments (1)
  1. It is a scientific fact that wildfires, natural or man-made, along with volcano eruption causes more damage to the atmosphere then all the combustible engines since their inception combined! Well, I can certainly appreciate the governmental decree, it has been 10 times worse in the past 10 years. One has to applaud the first responders this year for sure. They are jumping all over these pop-ups.

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