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  • What Do ‘Ozone Alerts’ Really Mean? - Allergy Asthma Network
    Harmful ozone is the chemical formed when emissions called hydrocarbons and nitrous oxides from motor vehicles, power plants or some industries interact with sunlight Increased levels of ozone usually occur during the summer months when temperatures are high, days (and subsequently sunlight) last longer, and air movement is minimal
  • Ozone Levels Chart
    Ozone Levels The chart below shows various information regarding a range of ozone concentration levels Reading the Chart As can be seen, a standard building has very little if any ozone in it typically, regardless of the windows being open or closed A standard day in the country has about 0 001 - 0 025 ppm of ozone in the air
  • Ozone Poisoning: Symptoms, Causes, and Prevention
    Ozone, a molecule composed of three oxygen atoms, exists naturally in Earth’s upper atmosphere, forming a protective layer that shields us from harmful ultraviolet radiation However, when ozone forms at ground level, it becomes a harmful air pollutant Inhaling high concentrations of this ground-level ozone can lead to various health issues, collectively referred to as ozone poisoning
  • Ozone - American Lung Association
    What Is Ozone? Ozone (O 3) is a gas molecule composed of three oxygen atoms Ozone is good up high, bad nearby The ozone layer found high in the upper atmosphere shields us from much of the sun's ultraviolet radiation However, ozone air pollution at ground level where we can breathe it causes serious health problems
  • How Do Ambient Ozone Levels Affect Your Health?
    Learn how ambient ozone impacts respiratory and cardiovascular health, who is most at risk, and how to reduce exposure for better well-being
  • What is Ozone? - US EPA
    What is Ozone? What is ozone and where is it in the atmosphere? Are high ambient ozone concentrations found only in heavily urbanized areas? How does atmospheric ozone affect human health? What is ozone and where is it in the atmosphere? Ozone (O3) is a highly reactive gas composed of three oxygen atoms
  • Ground-level Ozone Basics - US EPA
    Ozone is a gas composed of three atoms of oxygen Ozone occurs both in the Earth's upper atmosphere and at ground level Ozone can be good or bad, depending on where it is found Called stratospheric ozone, good ozone occurs naturally in the upper atmosphere, where it forms a protective layer that shields us from the sun's harmful ultraviolet rays This beneficial ozone has been partially
  • What is Ground-Level Ozone? - Air Central Texas - English
    Ground-level ozone is an irritant and can negatively affect human health and welfare Weather plays a substantial role in formation of ground level ozone Ground-level ozone concentrations typically are highest on days warm hot days with low humidity when wind is light or stagnant




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