Stay updated with real-time air quality in Norton, 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)
44
Good
Norton, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.85 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.54 μg/m³
0
55
155
255
425
605+
46.98 ppb
0
55
71
86
201
201+
0.36 ppb
0
36
76
186
605
1005+
2.26 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Norton, Massachusetts
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AQI 43
Good
2.55μg/m³
PM2.5
10.13μg/m³
PM10
46.00ppb
O3
0.38ppb
SO2
2.28ppb
NO2
0.22ppm
CO
AQI 44
Good
3.65μg/m³
PM2.5
18.79μg/m³
PM10
46.61ppb
O3
0.36ppb
SO2
2.21ppb
NO2
0.22ppm
CO
AQI 44
Good
2.45μg/m³
PM2.5
10.26μg/m³
PM10
47.96ppb
O3
0.27ppb
SO2
2.75ppb
NO2
0.23ppm
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 44
Good
4.28μg/m³
PM2.5
14.30μg/m³
PM10
46.53ppb
O3
0.38ppb
SO2
2.10ppb
NO2
0.22ppm
CO
Air quality and pollutant data for Massachusetts, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Norton, Massachusetts is updated every hour for accuracy.
In the past 24 hours, the air quality in Norton, Massachusetts was at its worst at 10:00:00 on 2026-03-29.
In the last 24 hours, the best air quality in Norton, Massachusetts was observed at 11:00:00 on 2026-03-29.
As of now, the AQI in Norton, Massachusetts is 44, indicating Good conditions.
Norton, Massachusetts air has the highest levels of O3.
Poor air quality in Norton, Massachusetts means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Norton, Massachusetts are currently 2.85 μg/m3.
The PM10 concentration in Norton, Massachusetts is 7.543 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Norton, Massachusetts is 0.223 ppm.
Currently, Norton, Massachusetts has a sulfur dioxide (SO2) concentration of 0.358 ppb.
The current ozone (O3) level in Norton, Massachusetts at the moment is 46.981 ppm.
Nitrogen dioxide (NO2) level in Norton, Massachusetts at the moment is 2.264 ppb.
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