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)
25
Good
Mansfield, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.23 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.57 μg/m³
0
55
155
255
425
605+
27.00 ppb
0
55
71
86
201
201+
0.49 ppb
0
36
76
186
605
1005+
2.49 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 24
Good
3.80μg/m³
PM2.5
10.90μg/m³
PM10
25.85ppb
O3
0.52ppb
SO2
3.42ppb
NO2
0.17ppm
CO
AQI 27
Good
3.73μg/m³
PM2.5
19.20μg/m³
PM10
28.56ppb
O3
0.52ppb
SO2
2.61ppb
NO2
0.17ppm
CO
AQI 26
Good
2.56μg/m³
PM2.5
10.98μg/m³
PM10
27.82ppb
O3
0.49ppb
SO2
2.49ppb
NO2
0.17ppm
CO
AQI 28
Good
3.21μg/m³
PM2.5
10.12μg/m³
PM10
30.44ppb
O3
0.49ppb
SO2
5.12ppb
NO2
0.17ppm
CO
AQI 26
Good
3.45μg/m³
PM2.5
19.79μg/m³
PM10
27.69ppb
O3
0.56ppb
SO2
3.34ppb
NO2
0.17ppm
CO
AQI 29
Good
2.49μg/m³
PM2.5
12.16μg/m³
PM10
30.75ppb
O3
0.45ppb
SO2
3.24ppb
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 06:00:00 on 2026-11-12.
In the last 24 hrs, the best air quality in Mansfield, Massachusetts was observed at 08:00:00 on 2026-11-12.
The current air quality in Mansfield, Massachusetts is 25, 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 3.228 μg/m3.
The current PM10 concentration at Mansfield, Massachusetts is 10.574 μg/m3.
The current carbon monoxide (CO) concentration at Mansfield, Massachusetts is 0.17 ppm.
The current sulfur dioxide (SO2) concentration at Mansfield, Massachusetts is 0.493 ppb.
The current ozone (O3) concentration at Mansfield, Massachusetts is 26.999 ppm.
The current nitrogen dioxide (NO2) concentration at Mansfield, Massachusetts is 2.492 ppb.
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