What Is A “No Burn Day?”

its another no burn day What Is A No Burn Day?

We keep hearing about these “No Burn Days.”  Today is one of them!  But, what exactly does that mean?  What can or can’t we burn?

(Courtesy of maricopa.gov)

Health Watch/No Burn Day Friday 

The Arizona Department of Environmental Quality is issuing a health watch for fine particulate matter pollution (PM-2.5) on Friday, December 10, 2010. As a result, the Maricopa County Air Quality Department will issue No Burn Day restrictions on Friday from midnight to midnight (24-hour period).  Restrictions include a ban on woodburning activity including fireplaces, fire pits or open outdoor burning. 


The purpose of the No Burn Day restriction is to avoid adding pollution to our air when the forecast suggests air quality will approach or exceed the federal health standard.  Fireplace pollution is something within our control.  Take action by putting these pollution prevention resources and tips into your daily routine. 



·         For real-time air quality restrictions, bookmark www.CleanAirMakeMore.com 

·         To report an air quality problem or polluter, call (602) 372-2703

·         Or file a complaint online at www.maricopa.gov/aq under the Contact Us tab


Take Action Tips:

  • Eliminate wood burning in fireplaces, stoves, chimineas and outdoor fire pits.
  • Drive as little as possible: car pool, use public transit or telecommute. For information on transportation alternatives, visit Valley Metro: www.valleymetro.org.
  • Avoid using leaf blowers.
  • Avoid activities that generate dust, such as driving on dirt roads.
  • Stabilize loose soils.

PARTICULATE MATTER BACKGROUND:  State and county agencies measure PM-10 and PM-2.5 which are extremely small solid particles and liquid droplets found circulating in the air.  PM, or particulate matter, comes from either combustion (cars, industry, woodburning) or dust stirred up into the air. High levels of PM are typically created when the air is especially stagnant or especially windy.


PM-10 stands for particulate matter measuring 10 microns or less.  PM-2.5 stands for particulate matter measuring 2.5 microns or less.  To put this in perspective, one strand of human hair is 70-100 microns in size.



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