Hot Weather’s Return Brings Ozone Warnings

MONDAY, April 30 (HealthDay News) — Health risks from
ground-level ozone pollution spike between March and October, lung
specialists at Ben Taub General Hospital in Houston have found.

Ozone can cause severe breathing attacks, including intense chest pains
and trouble breathing. Most at risk are children who spend a lot of time
outdoors, seniors and people with asthma or other respiratory
problems.

“If inhaled, ozone causes breathing and airway problems for asthma
sufferers and smokers with chronic obstructive pulmonary disease,” Dr.
Nick Hanania, director of the hospital’s Adult Asthma Clinic and Pulmonary
Diagnostic Laboratory, which is part of the Harris County Hospital
District, said in a district news release. “For some sufferers, immediate
hospital attention and treatment are required.”

Some other signs of exposure to ground ozone include:

  • Coughing and throat irritation
  • Trouble breathing
  • Inflammation of the lining of the lungs
  • Chronic lung infections

Not to be confused with the layer of ozone high in the atmosphere that
protects Earth from the sun’s harmful rays, ground-level ozone pollution
can be dangerous, Hanania explained. It is created when pollution from
cars and industrial sites combines with intense heat, and its hazy, foggy
shimmer can be seen from miles away.

In order to reduce exposure to ground ozone, the lung specialists
recommended the following precautions when ozone levels are high:

  • Stay indoors except during the early morning or after sunset.
  • Don’t exercise or work outside when the U.S. Environmental Protection
    Agency reports that ozone levels are high.
  • Avoid congested or high-traffic areas.
  • To prevent pulling ozone indoors, do not place fans in windows.
    Instead close windows and opt for air conditioning.

“Public ozone alerts are important because they help people stay safe
and healthy,” said Hanania, who also is an associate professor of
pulmonary, critical care and sleep medicine at Baylor College of Medicine
in Houston. “Depending on the levels of ozone in the air, these alerts can
be life-saving for some people. The best thing is to be in a place with
air conditioning.”

Hanania said anyone experiencing trouble breathing should seek
immediate medical attention.

More information

The U.S. Environmental Protection Agency provides more information on
ground level
ozone
.

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