Stay updated with real-time air quality in Middleborough, 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)
43
Good
Middleborough, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.90 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.30 μg/m³
0
55
155
255
425
605+
46.34 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
5.14 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Middleborough, Massachusetts
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AQI 43
Good
3.13μg/m³
PM2.5
7.81μg/m³
PM10
46.24ppb
O3
0.41ppb
SO2
5.20ppb
NO2
0.22ppm
CO
AQI 43
Good
3.02μg/m³
PM2.5
14.74μg/m³
PM10
45.96ppb
O3
0.43ppb
SO2
5.53ppb
NO2
0.22ppm
CO
AQI 41
Good
4.39μg/m³
PM2.5
19.39μg/m³
PM10
44.27ppb
O3
0.46ppb
SO2
2.59ppb
NO2
0.22ppm
CO
AQI 43
Good
2.80μg/m³
PM2.5
10.18μg/m³
PM10
46.46ppb
O3
0.40ppb
SO2
3.11ppb
NO2
0.22ppm
CO
AQI 43
Good
2.44μg/m³
PM2.5
10.11μg/m³
PM10
46.46ppb
O3
0.39ppb
SO2
2.73ppb
NO2
0.22ppm
CO
AQI 41
Good
4.40μg/m³
PM2.5
19.21μg/m³
PM10
44.11ppb
O3
0.46ppb
SO2
2.45ppb
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 Middleborough, Massachusetts is updated every hour.
The worst air quality in Middleborough, Massachusetts in the last 24 hours was observed at 09:00:00 on 2026-03-29.
In the last 24 hrs, the best air quality in Middleborough, Massachusetts was observed at 10:00:00 on 2026-03-29.
The current air quality in Middleborough, Massachusetts is 43, categorized as Good based on real-time data.
The most common pollutant in Middleborough, Massachusetts is O3.
If the air quality in Middleborough, Massachusetts is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Middleborough, Massachusetts is 2.897 μg/m3.
The current PM10 concentration at Middleborough, Massachusetts is 10.304 μg/m3.
The current carbon monoxide (CO) concentration at Middleborough, Massachusetts is 0.22 ppm.
The current sulfur dioxide (SO2) concentration at Middleborough, Massachusetts is 0.414 ppb.
The current ozone (O3) concentration at Middleborough, Massachusetts is 46.337 ppm.
The current nitrogen dioxide (NO2) concentration at Middleborough, Massachusetts is 5.139 ppb.
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