Stay updated with real-time air quality in Foxborough, 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)
31
Good
Foxborough, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.59 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.45 μg/m³
0
55
155
255
425
605+
33.72 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
5.01 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Foxborough, Massachusetts
Foxborough, Massachusetts
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AQI 52
Moderate
9.59μg/m³
PM2.5
36.76μg/m³
PM10
3.02ppb
O3
0.49ppb
SO2
17.07ppb
NO2
0.72ppm
CO
AQI 49
Good
8.80μg/m³
PM2.5
31.49μg/m³
PM10
3.00ppb
O3
0.56ppb
SO2
16.78ppb
NO2
0.73ppm
CO
AQI 49
Good
9.39μg/m³
PM2.5
31.70μg/m³
PM10
3.66ppb
O3
0.58ppb
SO2
17.32ppb
NO2
0.71ppm
CO
AQI 49
Good
8.83μg/m³
PM2.5
28.49μg/m³
PM10
3.92ppb
O3
0.45ppb
SO2
17.57ppb
NO2
0.69ppm
CO
AQI 49
Good
9.09μg/m³
PM2.5
32.25μg/m³
PM10
5.27ppb
O3
0.60ppb
SO2
16.00ppb
NO2
0.69ppm
CO
AQI 38
Good
7.47μg/m³
PM2.5
24.73μg/m³
PM10
2.85ppb
O3
0.41ppb
SO2
18.22ppb
NO2
0.71ppm
CO
Air quality and pollutant data for Massachusetts, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Foxborough, Massachusetts is updated every hour for accuracy.
In the past 24 hours, the air quality in Foxborough, Massachusetts was at its worst at 06:00:00 on 2025-11-03.
In the last 24 hours, the best air quality in Foxborough, Massachusetts was observed at 01:00:00 on 2025-11-02.
As of now, the AQI in Foxborough, Massachusetts is 49, indicating Good conditions.
Foxborough, Massachusetts air has the highest levels of PM2.5.
Poor air quality in Foxborough, Massachusetts means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Foxborough, Massachusetts are currently 9.442 μg/m3.
The PM10 concentration in Foxborough, Massachusetts is 31.921 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Foxborough, Massachusetts is 0.71 ppm.
Currently, Foxborough, Massachusetts has a sulfur dioxide (SO2) concentration of 0.516 ppb.
The current ozone (O3) level in Foxborough, Massachusetts at the moment is 3.743 ppm.
Nitrogen dioxide (NO2) level in Foxborough, Massachusetts at the moment is 17.236 ppb.
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