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Town of Gilbert
Wednesday April 27th, 2011 :: 05:10 p.m. MDT


Health watch for pollution issued for Thursday - you can help improve our air quality:

Air quality forecasters are recording elevated levels of ozone pollution. As a result, the Arizona Department of Environmental Quality has issued a health watch for the pollutant on Thursday, April 28.

Take Action

• Avoid waiting in long drive-thru lines, for example, at coffee shops, fast-food restaurants or banks. Park your car and go inside.
• Unplug unused appliances.
• Fuel your vehicle after dark or during cooler evening hours.
• Connect your outdoor lights to a timer or use solar lighting.
• Learn more about air pollution at
• To find a carpool or vanpool visit or call 602.253.5000

Ground level ozone is formed by a chemical reaction that needs heat from sunlight, nitrogen oxides and volatile organic compounds [VOCs] to form. The months of April through September make up our Valley's longer-than-normal "ozone season."

"Health Watch" means the highest concentration of pollution may approach the federal health standard. Unusually sensitive people should consider reducing prolonged or heavy outdoor exertion during a health watch.

"High Pollution Advisory" or "HPA" means the highest concentration of pollution may exceed the federal health standard. Active children, adults and people with lung disease such as asthma should reduce prolonged or heavy outdoor exertion. Maricopa County employers enlisted in the Trip Reduction Program are asked to activate their HPA plans on high pollution advisory days.

Town of Gilbert
50 E Civic Center Dr
Gilbert, AZ 85296

Emergency: 9-1-1
Non-emergencies: 480-503-6871

Public Information Office
Town of Gilbert

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