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)
33
Good
Middleborough, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.93 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.48 μg/m³
0
55
155
255
425
605+
35.63 ppb
0
55
71
86
201
201+
0.36 ppb
0
36
76
186
605
1005+
3.00 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Middleborough, Massachusetts
Middleborough, Massachusetts
Scroll To Air Quality MapLoading...
AQI 32
Good
5.09μg/m³
PM2.5
21.75μg/m³
PM10
34.76ppb
O3
0.43ppb
SO2
3.31ppb
NO2
0.24ppm
CO
AQI 27
Good
5.30μg/m³
PM2.5
11.18μg/m³
PM10
27.06ppb
O3
0.45ppb
SO2
2.99ppb
NO2
0.24ppm
CO
AQI 38
Good
5.51μg/m³
PM2.5
23.81μg/m³
PM10
40.70ppb
O3
0.48ppb
SO2
4.14ppb
NO2
0.25ppm
CO
AQI 36
Good
4.51μg/m³
PM2.5
16.67μg/m³
PM10
38.62ppb
O3
0.42ppb
SO2
4.81ppb
NO2
0.24ppm
CO
AQI 31
Good
4.23μg/m³
PM2.5
19.86μg/m³
PM10
34.34ppb
O3
0.41ppb
SO2
4.71ppb
NO2
0.24ppm
CO
AQI 38
Good
5.47μg/m³
PM2.5
23.99μg/m³
PM10
40.52ppb
O3
0.48ppb
SO2
4.21ppb
NO2
0.24ppm
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 2026-08-18.
In the last 24 hrs, the best air quality in Middleborough, Massachusetts was observed at 04:00:00 on 2026-08-18.
The current air quality in Middleborough, Massachusetts is 33, 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 4.932 μg/m3.
The current PM10 concentration at Middleborough, Massachusetts is 22.478 μg/m3.
The current carbon monoxide (CO) concentration at Middleborough, Massachusetts is 0.24 ppm.
The current sulfur dioxide (SO2) concentration at Middleborough, Massachusetts is 0.358 ppb.
The current ozone (O3) concentration at Middleborough, Massachusetts is 35.628 ppm.
The current nitrogen dioxide (NO2) concentration at Middleborough, Massachusetts is 3.002 ppb.
All Rights Reserved © Ambee Inc. 2025