These air quality values only represent the site where they are monitored. Due to limited resources, real-time air quality monitoring is limited to the areas of greatest concern, usually population centers or areas of recurring air quality problems. Particulate matter less than 2.5 microns or 0.0025 millimeters in size. Also known as fine particulates, they include smoke from woodstoves, fireplaces and wildfires. Additional sources may include motor vehicles and power plants.
Carbon monoxide is a colorless, odorless gas.
It forms when the carbon in fuels do not completely burn. Sources include vehicle emissions, industrial processes and wildfires.