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
3.63 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.74 μg/m³
0
55
155
255
425
605+
28.21 ppb
0
55
71
86
201
201+
0.37 ppb
0
36
76
186
605
1005+
4.37 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Mansfield, Massachusetts
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AQI 26
Good
3.77μg/m³
PM2.5
13.63μg/m³
PM10
28.07ppb
O3
0.40ppb
SO2
4.20ppb
NO2
0.20ppm
CO
AQI 29
Good
4.16μg/m³
PM2.5
16.16μg/m³
PM10
30.89ppb
O3
0.39ppb
SO2
4.21ppb
NO2
0.20ppm
CO
AQI 29
Good
3.86μg/m³
PM2.5
11.03μg/m³
PM10
30.91ppb
O3
0.35ppb
SO2
4.41ppb
NO2
0.20ppm
CO
AQI 24
Good
3.53μg/m³
PM2.5
10.99μg/m³
PM10
26.20ppb
O3
0.37ppb
SO2
4.41ppb
NO2
0.20ppm
CO
AQI 26
Good
4.15μg/m³
PM2.5
16.11μg/m³
PM10
28.08ppb
O3
0.44ppb
SO2
2.31ppb
NO2
0.20ppm
CO
AQI 26
Good
3.89μg/m³
PM2.5
13.41μg/m³
PM10
28.30ppb
O3
0.32ppb
SO2
4.66ppb
NO2
0.21ppm
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 07:00:00 on 2026-08-14.
In the last 24 hrs, the best air quality in Mansfield, Massachusetts was observed at 04:00:00 on 2026-08-14.
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 3.635 μg/m3.
The current PM10 concentration at Mansfield, Massachusetts is 12.739 μg/m3.
The current carbon monoxide (CO) concentration at Mansfield, Massachusetts is 0.205 ppm.
The current sulfur dioxide (SO2) concentration at Mansfield, Massachusetts is 0.368 ppb.
The current ozone (O3) concentration at Mansfield, Massachusetts is 28.207 ppm.
The current nitrogen dioxide (NO2) concentration at Mansfield, Massachusetts is 4.37 ppb.
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