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)
52
Moderate
Foxborough, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.25 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
49.60 μg/m³
0
55
155
255
425
605+
44.95 ppb
0
55
71
86
201
201+
0.55 ppb
0
36
76
186
605
1005+
4.83 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Foxborough, Massachusetts
Foxborough, Massachusetts
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AQI 49
Good
9.19μg/m³
PM2.5
37.06μg/m³
PM10
44.40ppb
O3
0.52ppb
SO2
4.57ppb
NO2
0.17ppm
CO
AQI 52
Moderate
9.76μg/m³
PM2.5
44.58μg/m³
PM10
44.14ppb
O3
0.52ppb
SO2
4.71ppb
NO2
0.17ppm
CO
AQI 56
Moderate
11.54μg/m³
PM2.5
41.69μg/m³
PM10
39.49ppb
O3
0.56ppb
SO2
4.64ppb
NO2
0.16ppm
CO
AQI 52
Moderate
10.17μg/m³
PM2.5
41.87μg/m³
PM10
38.34ppb
O3
0.64ppb
SO2
4.39ppb
NO2
0.16ppm
CO
AQI 54
Moderate
11.41μg/m³
PM2.5
41.81μg/m³
PM10
40.02ppb
O3
0.64ppb
SO2
4.49ppb
NO2
0.16ppm
CO
AQI 52
Moderate
9.82μg/m³
PM2.5
41.84μg/m³
PM10
38.40ppb
O3
0.56ppb
SO2
4.46ppb
NO2
0.16ppm
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 03:00:00 on 2026-06-29.
In the last 24 hours, the best air quality in Foxborough, Massachusetts was observed at 02:00:00 on 2026-06-29.
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 9.365 μg/m3.
The PM10 concentration in Foxborough, Massachusetts is 44.31 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Foxborough, Massachusetts is 0.164 ppm.
Currently, Foxborough, Massachusetts has a sulfur dioxide (SO2) concentration of 0.565 ppb.
The current ozone (O3) level in Foxborough, Massachusetts at the moment is 41.668 ppm.
Nitrogen dioxide (NO2) level in Foxborough, Massachusetts at the moment is 4.535 ppb.
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