PM10 in Worcester, MA
Real-time Coarse Particulate Matter monitoring and health recommendations
Current PM10 Levels
Overall AQI
About Coarse Particulate Matter
Particles between 2.5 and 10 micrometers, including dust, pollen, and mold.
Measured in µg/m³
Health Impact
Air quality is considered satisfactory, and air pollution poses little or no risk.
What Is a Safe Level of PM10?
By the EPA Air Quality Index, coarse particulate matter is Good — safe for everyone up to 54 µg/m³ (AQI 0–50). From 54 to 154 µg/m³ is Moderate (AQI 51–100): acceptable for most people, though unusually sensitive individuals may notice symptoms. Above 154 µg/m³ the air turns Unhealthy for Sensitive Groups and EPA health guidance applies.
Worcester is currently at AQI 12 (≈13 µg/m³, estimated) for PM10 — within the Good range, so PM10 levels are safe for everyone right now.
Thresholds are the official EPA AQI category breakpoints for coarse particulate matter. The current concentration is estimated from the measured AQI sub-index; the exact value within a band is not recoverable from the index alone.
Sources of PM10
• Dust from roads and construction sites
• Industrial operations and mining
• Pollen and biological particles
• Agricultural activities
Other Pollutants
Full Air Quality Report
View all pollutants and comprehensive air quality data for Worcester.
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