sensitometer ® Test app


today's ozone level is

31.6 ppb

If you've taken the Sensitometer hypersensitivity test, compare this number to your hypersensitivity score below to see how this might affect your allergy and asthma symptoms today! If you haven't taken the test, download the free app now.

If you are unable to download the app, click below to take the test online.


Ozone is a toxic environmental pollutant that causes sore throat, shortness of breath and asthma attacks. It is used in processing meats, poultry and bottled water to kill bacteria and viruses.

Maximum daily 8-hour average level must be ≤ 70 ug/m3 or ≤ 0.070 ppb.

nitrogen dioxide

Nitrogen Dioxide is a major air pollutant. NO2 induces symptoms including cough, sore throat, shortness of breath and asthma attacks. Being heavier than air, it causes hazy skies.

Maximum 1-hour concentration of NO2 must be ≤ 100 ppb. Annual mean must be ≤ 53 ppb.

particulate matter

Particulate matter affects human health more than any other air pollutant. Dust particles 1/30th size of human hair contain organic + inorganic materials that cause deadly heart and lung diseases.

The 24-hour average for PM 2.5 must be ≤ 35 ug/m3 . Annual mean must be ≤ 12 ug/m3 .



Ozone is one of the most common air pollutants affecting the eyes, nose and lungs.  Ozone is a potent lung irritant causing asthma attacks in very sensitive individuals.

particulate matter

Particulate matter (PM) is also known as particle pollution.  It is a complex mixture of extremely small particles and liquid droplets that can be inhaled deep into your lungs.  When inhaled, these tiny dust-like particles cause heart and lung disease.

Pollen and Mold Spores – Aeroallergens

Plant pollens and mold spores cause hay fever, asthma and sinus headaches in nearly 25% of Americans who have the genetic ability to produce allergy antibodies, or IgE.

risks for experiencing asthma symptoms

OZONE and risks for asthma

hypersensitivity score

Risks  for  Experiencing  Asthma  Symptoms





very high


0-64 ppb

65-84 ppb

85-104 ppb

> 105 ppb


0-44 ppb

45-74 ppb

> 75 ppb



0-24 ppb

25-44 ppb

> 45 ppb


take the sensitivity test

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