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)
34
Good
Barnstable Town, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.79 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.30 μg/m³
0
55
155
255
425
605+
36.67 ppb
0
55
71
86
201
201+
0.42 ppb
0
36
76
186
605
1005+
10.20 ppb
0
54
101
361
1250
2050+
0.33 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Barnstable Town, Massachusetts
Barnstable Town, Massachusetts
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AQI 28
Good
5.20μg/m³
PM2.5
28.61μg/m³
PM10
29.60ppb
O3
0.66ppb
SO2
7.91ppb
NO2
0.29ppm
CO
AQI 44
Good
6.17μg/m³
PM2.5
47.24μg/m³
PM10
29.65ppb
O3
0.67ppb
SO2
7.92ppb
NO2
0.29ppm
CO
AQI 31
Good
5.15μg/m³
PM2.5
17.76μg/m³
PM10
34.17ppb
O3
0.65ppb
SO2
8.01ppb
NO2
0.31ppm
CO
AQI 43
Good
7.26μg/m³
PM2.5
46.22μg/m³
PM10
29.70ppb
O3
0.68ppb
SO2
7.82ppb
NO2
0.29ppm
CO
AQI 38
Good
7.22μg/m³
PM2.5
36.66μg/m³
PM10
29.69ppb
O3
0.68ppb
SO2
7.82ppb
NO2
0.29ppm
CO
AQI 30
Good
5.14μg/m³
PM2.5
22.49μg/m³
PM10
32.40ppb
O3
0.66ppb
SO2
8.49ppb
NO2
0.31ppm
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 02:00:00 on 2025-12-28.
In the last 24 hrs, the best air quality in Barnstable Town, Massachusetts was observed at 03:00:00 on 2025-12-28.
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 5.491 μg/m3.
The current PM10 concentration at Barnstable Town, Massachusetts is 22.453 μg/m3.
The current carbon monoxide (CO) concentration at Barnstable Town, Massachusetts is 0.309 ppm.
The current sulfur dioxide (SO2) concentration at Barnstable Town, Massachusetts is 0.685 ppb.
The current ozone (O3) concentration at Barnstable Town, Massachusetts is 29.79 ppm.
The current nitrogen dioxide (NO2) concentration at Barnstable Town, Massachusetts is 8.007 ppb.
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