Health Watch upgraded to High Pollution Advisory for Phoenix, effective Jul. 10-11, 2019

July 10, 2019 - 9:17 am

The Arizona Department of Environmental Quality (ADEQ) upgraded the Health Watch to a High Pollution Advisory (HPA) for ozone effective July 10-11, 2019 in the Phoenix area. ADEQ recommends that people limit outdoor activity while the HPA is in effect, especially children and adults with respiratory problems.

Ground level ozone forms when two types of pollutants—volatile organic compounds (VOCs) and nitrogen oxides (NOx)—react in sunlight. These pollutants come primarily from automobiles, but also from other sources including industries, power plants and products, such as solvents and paints. Generally, the highest levels of ozone occur in the afternoon.

Check the Hourly Air Quality Forecast | View

Health Impacts

People most vulnerable to the impacts of air pollution include children, older adults, adults exercising outdoors, people with heart or lung disease and those suffering from asthma and bronchitis. Exposure can increase the number and severity of asthma attacks, cause or aggravate bronchitis or other lung disease and reduce the body’s ability to fight infection. Symptoms may include itchy eyes, nose, and throat, wheezing, coughing, shortness of breath, chest pain and upper respiratory issues.

Please help reduce ozone by doing one or more of the following:

  • Drive as little as possible, carpool, use public transit or telecommute
  • Re-fuel your vehicle in the evening
  • Avoid waiting in long drive-thru lines, for example, at coffee shops, fast-food restaurants or banks – park your car and go inside
  • Use low-VOC (Volatile Organic Compounds) or water-based paints, stains, finishes and paint strippers – delay big painting projects
  • Make sure containers of household cleaners, garage and yard chemicals and other solvents are sealed properly to prevent vapors from evaporating into the air

Be Air Aware!

Stay informed and be a part of the ADEQ air quality challenge. Together we can make a difference to improve air quality for everyone in Arizona by following three simple steps. | Learn More

Background

High Pollution Advisory (HPA) notifies the public that the level of an air pollutant is forecast to exceed the federal health standard. 

Health Watch 9HW) notifies the public that the level of an air pollutant is forecast to approach the federal health standard. 

Contacts

Arizona Department of Environmental Quality (ADEQ) | Provides hourly forecasts for air quality in certain areas of the state and issues HPAs or HWs when the appropriate conditions exist. | View Website 

Public Information Officer | 602-771-2215 (office) | 602-540-8072 (cell) | Email 

Maricopa County Air Quality Department (MCAQD) | Regulatory agency for air quality in Maricopa County. | View Website 

Bob Huhn, Public Information Officer | 602-506-6713 (office) | 602-526-7307 (cell) | Email 

Valley Metro | Eco-friendly public transit options to residents of greater Phoenix and Maricopa County. | View Website 

Susan Tierney, Communications Manager | 602-523-6004 (office) | Email 

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