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)
52
Moderate
Norton, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.88 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
44.74 μg/m³
0
55
155
255
425
605+
39.85 ppb
0
55
71
86
201
201+
0.49 ppb
0
36
76
186
605
1005+
4.53 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Norton, Massachusetts
Norton, Massachusetts
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AQI 52
Moderate
9.82μg/m³
PM2.5
41.84μg/m³
PM10
38.40ppb
O3
0.56ppb
SO2
4.46ppb
NO2
0.16ppm
CO
AQI 49
Good
9.19μg/m³
PM2.5
37.06μg/m³
PM10
44.40ppb
O3
0.52ppb
SO2
4.57ppb
NO2
0.17ppm
CO
AQI 44
Good
8.24μg/m³
PM2.5
36.73μg/m³
PM10
42.80ppb
O3
0.23ppb
SO2
4.82ppb
NO2
0.17ppm
CO
AQI 56
Moderate
12.22μg/m³
PM2.5
54.19μg/m³
PM10
36.70ppb
O3
0.52ppb
SO2
4.53ppb
NO2
0.17ppm
CO
AQI 56
Moderate
12.15μg/m³
PM2.5
51.13μg/m³
PM10
38.53ppb
O3
0.50ppb
SO2
4.54ppb
NO2
0.17ppm
CO
AQI 49
Good
9.37μg/m³
PM2.5
44.31μg/m³
PM10
41.67ppb
O3
0.56ppb
SO2
4.54ppb
NO2
0.16ppm
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 03:00:00 on 2026-06-29.
In the last 24 hours, the best air quality in Norton, Massachusetts was observed at 02:00:00 on 2026-06-29.
As of now, the AQI in Norton, Massachusetts is 52, indicating Moderate conditions.
Norton, Massachusetts air has the highest levels of PM2.5.
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 9.875 μg/m3.
The PM10 concentration in Norton, Massachusetts is 44.739 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Norton, Massachusetts is 0.166 ppm.
Currently, Norton, Massachusetts has a sulfur dioxide (SO2) concentration of 0.491 ppb.
The current ozone (O3) level in Norton, Massachusetts at the moment is 39.852 ppm.
Nitrogen dioxide (NO2) level in Norton, Massachusetts at the moment is 4.529 ppb.
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