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)
49
Good
Mansfield, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.19 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
37.06 μg/m³
0
55
155
255
425
605+
44.40 ppb
0
55
71
86
201
201+
0.52 ppb
0
36
76
186
605
1005+
4.57 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Mansfield, Massachusetts
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AQI 49
Good
9.37μg/m³
PM2.5
44.31μg/m³
PM10
41.67ppb
O3
0.56ppb
SO2
4.54ppb
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
AQI 52
Moderate
9.88μg/m³
PM2.5
44.74μg/m³
PM10
39.85ppb
O3
0.49ppb
SO2
4.53ppb
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 52
Moderate
10.17μg/m³
PM2.5
41.87μg/m³
PM10
38.34ppb
O3
0.64ppb
SO2
4.39ppb
NO2
0.16ppm
CO
AQI 49
Good
8.70μg/m³
PM2.5
41.09μg/m³
PM10
44.11ppb
O3
0.44ppb
SO2
4.63ppb
NO2
0.17ppm
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 03:00:00 on 2026-06-29.
In the last 24 hrs, the best air quality in Mansfield, Massachusetts was observed at 02:00:00 on 2026-06-29.
The current air quality in Mansfield, Massachusetts is 49, categorized as Good 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 9.192 μg/m3.
The current PM10 concentration at Mansfield, Massachusetts is 37.062 μg/m3.
The current carbon monoxide (CO) concentration at Mansfield, Massachusetts is 0.165 ppm.
The current sulfur dioxide (SO2) concentration at Mansfield, Massachusetts is 0.515 ppb.
The current ozone (O3) concentration at Mansfield, Massachusetts is 44.397 ppm.
The current nitrogen dioxide (NO2) concentration at Mansfield, Massachusetts is 4.566 ppb.
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