Targets:
- What Works Cities Target: The annual average concentration should not exceed 10 ug/m3.
- U.S. Environmental Protection Agency Target: The annual average concentration should not exceed 12 ug/m3.
The data comes from the Colorado Department of Public Health and the Environment (CDPHE) monitor located at the Longmont Civic Center. Average concentration of fine particulate matter is an indicator of local air quality that is impacted by regional impacts.