What is the air quality in Barnstable Town MA?

Barnstable Town MA, United States of America has an annual US AQI of 40 (Reasonable) and average PM2.5 of 7.1 µg/m³, ranking #259 of 5856 cities. Main pollutant: PM2.5.

What is the cleanest month in Barnstable Town MA?

October is typically the cleanest month (AQI 34) and July the most polluted (AQI 53).

Where does Barnstable Town MA's air quality data come from?

PM2.5: 1998–2024 (satellite). From satellite data, because no government monitor covers the city. Full sources are on the methodology page.

Barnstable Town MA, United States of America — Air Quality & Clean City Guide 2026

Barnstable Town MA Air Quality Data

Global rank	City	Continent	AQI	PM2.5
259	Barnstable Town MA, United States of America	North America	AQI 40	PM2.5 7.1 µg/m³