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)
41
Good
Foxborough, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.55 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.59 μg/m³
0
55
155
255
425
605+
44.39 ppb
0
55
71
86
201
201+
0.40 ppb
0
36
76
186
605
1005+
3.10 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Foxborough, Massachusetts
Foxborough, Massachusetts
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AQI 34
Good
3.36μg/m³
PM2.5
15.14μg/m³
PM10
37.30ppb
O3
0.35ppb
SO2
5.57ppb
NO2
0.20ppm
CO
AQI 36
Good
3.23μg/m³
PM2.5
11.86μg/m³
PM10
38.99ppb
O3
0.36ppb
SO2
6.57ppb
NO2
0.21ppm
CO
AQI 35
Good
3.37μg/m³
PM2.5
11.86μg/m³
PM10
38.15ppb
O3
0.39ppb
SO2
8.53ppb
NO2
0.21ppm
CO
AQI 35
Good
3.94μg/m³
PM2.5
16.73μg/m³
PM10
38.42ppb
O3
0.41ppb
SO2
5.15ppb
NO2
0.20ppm
CO
AQI 36
Good
3.24μg/m³
PM2.5
12.70μg/m³
PM10
39.11ppb
O3
0.42ppb
SO2
9.71ppb
NO2
0.20ppm
CO
AQI 38
Good
3.79μg/m³
PM2.5
15.83μg/m³
PM10
41.13ppb
O3
0.37ppb
SO2
5.30ppb
NO2
0.20ppm
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 12:00:00 on 2026-05-14.
In the last 24 hours, the best air quality in Foxborough, Massachusetts was observed at 02:00:00 on 2026-05-13.
As of now, the AQI in Foxborough, Massachusetts is 41, indicating Good conditions.
Foxborough, Massachusetts air has the highest levels of O3.
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 4.548 μg/m3.
The PM10 concentration in Foxborough, Massachusetts is 17.585 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Foxborough, Massachusetts is 0.153 ppm.
Currently, Foxborough, Massachusetts has a sulfur dioxide (SO2) concentration of 0.401 ppb.
The current ozone (O3) level in Foxborough, Massachusetts at the moment is 44.39 ppm.
Nitrogen dioxide (NO2) level in Foxborough, Massachusetts at the moment is 3.103 ppb.
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