Stay updated with real-time air quality in Northbridge, 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)
58
Moderate
Northbridge, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
13.14 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.38 μg/m³
0
55
155
255
425
605+
37.42 ppb
0
55
71
86
201
201+
0.38 ppb
0
36
76
186
605
1005+
4.71 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Northbridge, Massachusetts
Northbridge, Massachusetts
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AQI 58
Moderate
13.27μg/m³
PM2.5
39.39μg/m³
PM10
35.86ppb
O3
0.35ppb
SO2
3.59ppb
NO2
0.17ppm
CO
AQI 58
Moderate
13.31μg/m³
PM2.5
50.65μg/m³
PM10
37.01ppb
O3
0.41ppb
SO2
3.99ppb
NO2
0.17ppm
CO
AQI 60
Moderate
13.50μg/m³
PM2.5
45.79μg/m³
PM10
34.70ppb
O3
0.18ppb
SO2
3.18ppb
NO2
0.16ppm
CO
AQI 58
Moderate
12.50μg/m³
PM2.5
49.36μg/m³
PM10
37.48ppb
O3
0.41ppb
SO2
3.85ppb
NO2
0.16ppm
CO
AQI 58
Moderate
13.45μg/m³
PM2.5
43.42μg/m³
PM10
36.70ppb
O3
0.43ppb
SO2
3.63ppb
NO2
0.16ppm
CO
AQI 56
Moderate
12.40μg/m³
PM2.5
51.27μg/m³
PM10
37.71ppb
O3
0.49ppb
SO2
3.73ppb
NO2
0.16ppm
CO
Air quality measurements for Massachusetts, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Northbridge, Massachusetts is updated on an hourly basis.
The worst air quality in Northbridge, Massachusetts was recorded at 06:00:00 on 2026-06-29.
The best air quality in Northbridge, Massachusetts was recorded at 01:00:00 on 2026-06-29.
The real-time air quality index in Northbridge, Massachusetts is 58, currently categorized as Moderate.
The most common pollutant in Northbridge, Massachusetts is PM2.5.
If the air quality in Northbridge, Massachusetts is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Northbridge, Massachusetts at present are 13.221 μg/m3.
The current PM10 levels in Northbridge, Massachusetts are 50.037 μg/m3.
The current carbon monoxide (CO) level in Northbridge, Massachusetts is 0.168 ppm.
The current sulfur dioxide (SO2) levels in Northbridge, Massachusetts are 0.385 ppb.
The current ozone (O3) levels at Northbridge, Massachusetts is 36.858 ppm.
The current nitrogen dioxide (NO2) levels at Northbridge, Massachusetts is 3.901 ppb.
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