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)
26
Good
Mansfield, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.86 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
5.06 μg/m³
0
55
155
255
425
605+
27.67 ppb
0
55
71
86
201
201+
0.31 ppb
0
36
76
186
605
1005+
3.62 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Mansfield, Massachusetts
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AQI 26
Good
2.32μg/m³
PM2.5
7.16μg/m³
PM10
27.81ppb
O3
0.32ppb
SO2
4.06ppb
NO2
0.26ppm
CO
AQI 27
Good
2.27μg/m³
PM2.5
7.33μg/m³
PM10
28.93ppb
O3
0.32ppb
SO2
3.72ppb
NO2
0.26ppm
CO
AQI 26
Good
1.84μg/m³
PM2.5
4.60μg/m³
PM10
27.90ppb
O3
0.30ppb
SO2
4.15ppb
NO2
0.26ppm
CO
AQI 26
Good
1.83μg/m³
PM2.5
7.07μg/m³
PM10
27.81ppb
O3
0.31ppb
SO2
3.75ppb
NO2
0.26ppm
CO
AQI 26
Good
3.38μg/m³
PM2.5
14.87μg/m³
PM10
27.67ppb
O3
0.33ppb
SO2
4.24ppb
NO2
0.26ppm
CO
AQI 26
Good
1.94μg/m³
PM2.5
7.04μg/m³
PM10
27.57ppb
O3
0.28ppb
SO2
3.38ppb
NO2
0.27ppm
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 2026-02-11.
In the last 24 hrs, the best air quality in Mansfield, Massachusetts was observed at 12:00:00 on 2026-02-12.
The current air quality in Mansfield, Massachusetts is 26, categorized as Good based on real-time data.
The most common pollutant in Mansfield, Massachusetts is O3.
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 1.858 μg/m3.
The current PM10 concentration at Mansfield, Massachusetts is 5.064 μg/m3.
The current carbon monoxide (CO) concentration at Mansfield, Massachusetts is 0.263 ppm.
The current sulfur dioxide (SO2) concentration at Mansfield, Massachusetts is 0.306 ppb.
The current ozone (O3) concentration at Mansfield, Massachusetts is 27.668 ppm.
The current nitrogen dioxide (NO2) concentration at Mansfield, Massachusetts is 3.617 ppb.
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