Coarse Particulate Matter
PM10 · Measured in μg/m³
About PM10
Particles between 2.5 and 10 micrometers in diameter. Includes dust, pollen, and mold spores. Can irritate the respiratory system but don't penetrate as deeply as PM2.5.
Sources
Construction sites, unpaved roads, fields, smokestacks, wildfires, wind-blown dust
Health Effects
Aggravated asthma, coughing, difficult breathing, decreased lung function
EPA Standards
| Annual Standard | 50 μg/m³ |
| 24-Hour (Daily) Standard | 150 μg/m³ |
Frequently Asked Questions
What is Coarse Particulate Matter?
Particles between 2.5 and 10 micrometers in diameter. Includes dust, pollen, and mold spores. Can irritate the respiratory system but don't penetrate as deeply as PM2.5.
Where does PM10 come from?
The main sources of Coarse Particulate Matter include: Construction sites, unpaved roads, fields, smokestacks, wildfires, wind-blown dust.
What are the health effects of PM10?
Exposure to Coarse Particulate Matter can cause: Aggravated asthma, coughing, difficult breathing, decreased lung function.
What is the EPA standard for PM10?
The EPA has set an annual standard of 50 μg/m³ and a 24-hour (daily) standard of 150 μg/m³ for Coarse Particulate Matter.