Here is the link to Maricopa County's clean air website where you can go to see if it is a no burn day:  http://www.cleanairmakemore.com

Below is a map showing Area A which falls into the no burn day rules. If you live outside Area A, the no burn days do not apply. Just remember, one can be fined for burning on no burn days. Retailers, here is your chance to help out the pollution problem and sell some alternate options, such as gas burning units or electric units.