Our Top Air Pollution Causes Reducing the amount of particulate
matter that gets into our air is not just a problem for the
government or for science alone. It is a problem of the
residents and visitors living and breathing in Maricopa County
as well. Human activity is behind most of our top air pollution
causes, but there is a way to clean our air. There are plenty of
easy changes each of us can commit to do to stop polluting. Our
website offers many tips you can incorporate into your daily
routine to help make more clean air. In addition, it’s important
to know the rules; stay up to date with current air quality
restrictions through our widget and website. Cars, Trucks & ATVs
Exhaust from cars is a significant contributor to the
particulate pollution problem. Being the single occupant in a
vehicle on a regular basis adds pollution to the air. Further,
driving off-road vehicles (OHV) on dirt and unpaved roads stir
up particulate matter that pollutes our air unnecessarily. OHV
activity is restricted on most h