Stay updated with real-time air quality in Mansfield, 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)
29
Good
Mansfield, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.61 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.64 μg/m³
0
55
155
255
425
605+
31.32 ppb
0
55
71
86
201
201+
0.43 ppb
0
36
76
186
605
1005+
4.19 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Mansfield, Massachusetts
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AQI 44
Good
7.88μg/m³
PM2.5
35.16μg/m³
PM10
3.12ppb
O3
0.42ppb
SO2
12.17ppb
NO2
0.61ppm
CO
AQI 38
Good
7.22μg/m³
PM2.5
28.94μg/m³
PM10
3.75ppb
O3
0.42ppb
SO2
14.23ppb
NO2
0.61ppm
CO
AQI 38
Good
7.14μg/m³
PM2.5
27.29μg/m³
PM10
3.51ppb
O3
0.39ppb
SO2
13.48ppb
NO2
0.62ppm
CO
AQI 38
Good
7.48μg/m³
PM2.5
33.16μg/m³
PM10
3.17ppb
O3
0.43ppb
SO2
13.22ppb
NO2
0.61ppm
CO
AQI 38
Good
7.38μg/m³
PM2.5
28.94μg/m³
PM10
3.23ppb
O3
0.46ppb
SO2
14.70ppb
NO2
0.60ppm
CO
AQI 56
Moderate
11.64μg/m³
PM2.5
52.48μg/m³
PM10
3.48ppb
O3
0.37ppb
SO2
13.28ppb
NO2
0.63ppm
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 Mansfield, Massachusetts is updated every hour.
The worst air quality in Mansfield, Massachusetts in the last 24 hours was observed at 11:00:00 on 2025-11-03.
In the last 24 hrs, the best air quality in Mansfield, Massachusetts was observed at 03:00:00 on 2025-11-02.
The current air quality in Mansfield, Massachusetts is 52, categorized as Moderate based on real-time data.
The most common pollutant in Mansfield, Massachusetts is PM2.5.
If the air quality in Mansfield, Massachusetts is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Mansfield, Massachusetts is 9.722 μg/m3.
The current PM10 concentration at Mansfield, Massachusetts is 40.619 μg/m3.
The current carbon monoxide (CO) concentration at Mansfield, Massachusetts is 0.618 ppm.
The current sulfur dioxide (SO2) concentration at Mansfield, Massachusetts is 0.399 ppb.
The current ozone (O3) concentration at Mansfield, Massachusetts is 3.518 ppm.
The current nitrogen dioxide (NO2) concentration at Mansfield, Massachusetts is 12.938 ppb.
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