Stay updated with real-time air quality in Barnstable Town, Massachusetts featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
28
Good
Barnstable Town, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.53 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.79 μg/m³
0
55
155
255
425
605+
29.89 ppb
0
55
71
86
201
201+
0.71 ppb
0
36
76
186
605
1005+
2.17 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Barnstable Town, Massachusetts
Barnstable Town, Massachusetts
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AQI 28
Good
2.54μg/m³
PM2.5
12.63μg/m³
PM10
29.92ppb
O3
0.72ppb
SO2
2.18ppb
NO2
0.14ppm
CO
AQI 28
Good
2.54μg/m³
PM2.5
12.63μg/m³
PM10
29.82ppb
O3
0.72ppb
SO2
2.18ppb
NO2
0.14ppm
CO
AQI 28
Good
2.49μg/m³
PM2.5
12.93μg/m³
PM10
29.94ppb
O3
0.58ppb
SO2
2.16ppb
NO2
0.17ppm
CO
AQI 28
Good
2.55μg/m³
PM2.5
12.55μg/m³
PM10
29.78ppb
O3
0.73ppb
SO2
2.03ppb
NO2
0.14ppm
CO
AQI 28
Good
2.55μg/m³
PM2.5
12.50μg/m³
PM10
29.96ppb
O3
0.73ppb
SO2
2.02ppb
NO2
0.14ppm
CO
AQI 28
Good
2.54μg/m³
PM2.5
12.44μg/m³
PM10
29.90ppb
O3
0.69ppb
SO2
2.17ppb
NO2
0.17ppm
CO
Air quality data and pollutant measurements for Massachusetts, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Barnstable Town, Massachusetts is updated every hour.
The worst air quality in Barnstable Town, Massachusetts in the last 24 hours was observed at 06:00:00 on 2026-11-12.
In the last 24 hrs, the best air quality in Barnstable Town, Massachusetts was observed at 03:00:00 on 2026-11-12.
The current air quality in Barnstable Town, Massachusetts is 28, categorized as Good based on real-time data.
The most common pollutant in Barnstable Town, Massachusetts is O3.
If the air quality in Barnstable Town, Massachusetts is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Barnstable Town, Massachusetts is 2.531 μg/m3.
The current PM10 concentration at Barnstable Town, Massachusetts is 12.791 μg/m3.
The current carbon monoxide (CO) concentration at Barnstable Town, Massachusetts is 0.172 ppm.
The current sulfur dioxide (SO2) concentration at Barnstable Town, Massachusetts is 0.709 ppb.
The current ozone (O3) concentration at Barnstable Town, Massachusetts is 29.894 ppm.
The current nitrogen dioxide (NO2) concentration at Barnstable Town, Massachusetts is 2.171 ppb.
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