Air quality advisories are in effect for up to 100 million people in the United States on Tuesday, from the Midwest and Texas to the Northeast, including Boston, New York City and Philadelphia.
In the Northeast, poor air quality is the result of wildfires raging across eastern Canada and send smoke to the US. In some areas, the smoke is so thick that people can smell it in the air, and the skies appear overcast.
Beyond the Northeast, high concentrations of ozone at ground level, also known as “smog” (esmog in Spanish), are generating air quality levels harmful to health in several urban areas throughout the country.
WHAT CAUSES POOR AIR QUALITY?
Poor air quality can be caused by any airborne “irritant” — a particle or substance in the air that is harmful for a person to breathe, according to Dr. Purvi Parikh, an allergist and immunologist with the Allergy & Asthma Network. , an advocacy organization. group for people with asthma, allergies and related conditions.
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This is a study led by researchers at the University of Leeds (United Kingdom) and published in ‘Infection Control and Hospital Epidemiology’. Those who used air dryers had about 10 times more bacteria on their hands than paper towel users.
2023-06-07 02:54:32
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