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)
32
Good
Middleborough, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.35 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.31 μg/m³
0
55
155
255
425
605+
34.50 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
16.12 ppb
0
54
101
361
1250
2050+
0.43 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Middleborough, Massachusetts
Middleborough, Massachusetts
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AQI 33
Good
5.93μg/m³
PM2.5
23.98μg/m³
PM10
32.89ppb
O3
0.36ppb
SO2
10.09ppb
NO2
0.40ppm
CO
AQI 33
Good
6.24μg/m³
PM2.5
28.98μg/m³
PM10
36.40ppb
O3
0.37ppb
SO2
9.86ppb
NO2
0.40ppm
CO
AQI 31
Good
4.38μg/m³
PM2.5
21.27μg/m³
PM10
34.48ppb
O3
0.39ppb
SO2
19.18ppb
NO2
0.41ppm
CO
AQI 33
Good
5.63μg/m³
PM2.5
21.17μg/m³
PM10
35.81ppb
O3
0.36ppb
SO2
14.13ppb
NO2
0.40ppm
CO
AQI 33
Good
5.64μg/m³
PM2.5
21.17μg/m³
PM10
34.90ppb
O3
0.35ppb
SO2
14.61ppb
NO2
0.39ppm
CO
AQI 31
Good
4.33μg/m³
PM2.5
21.45μg/m³
PM10
34.31ppb
O3
0.39ppb
SO2
19.70ppb
NO2
0.41ppm
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 08:00:00 on 2025-12-28.
In the last 24 hrs, the best air quality in Middleborough, Massachusetts was observed at 12:00:00 on 2025-12-28.
The current air quality in Middleborough, Massachusetts is 32, 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 5.353 μg/m3.
The current PM10 concentration at Middleborough, Massachusetts is 26.306 μg/m3.
The current carbon monoxide (CO) concentration at Middleborough, Massachusetts is 0.429 ppm.
The current sulfur dioxide (SO2) concentration at Middleborough, Massachusetts is 0.411 ppb.
The current ozone (O3) concentration at Middleborough, Massachusetts is 34.504 ppm.
The current nitrogen dioxide (NO2) concentration at Middleborough, Massachusetts is 16.117 ppb.
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