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)
20
Good
Norton, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.43 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
4.82 μg/m³
0
55
155
255
425
605+
22.23 ppb
0
55
71
86
201
201+
0.56 ppb
0
36
76
186
605
1005+
4.03 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Norton, Massachusetts
Norton, Massachusetts
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AQI 21
Good
1.25μg/m³
PM2.5
5.96μg/m³
PM10
22.70ppb
O3
0.66ppb
SO2
3.65ppb
NO2
0.26ppm
CO
AQI 20
Good
1.59μg/m³
PM2.5
10.29μg/m³
PM10
21.77ppb
O3
0.59ppb
SO2
3.90ppb
NO2
0.26ppm
CO
AQI 21
Good
2.01μg/m³
PM2.5
8.41μg/m³
PM10
23.01ppb
O3
0.27ppb
SO2
4.02ppb
NO2
0.26ppm
CO
AQI 20
Good
1.28μg/m³
PM2.5
5.80μg/m³
PM10
21.59ppb
O3
0.63ppb
SO2
2.96ppb
NO2
0.26ppm
CO
AQI 20
Good
1.32μg/m³
PM2.5
4.62μg/m³
PM10
22.45ppb
O3
0.60ppb
SO2
2.40ppb
NO2
0.26ppm
CO
AQI 20
Good
1.63μg/m³
PM2.5
10.55μg/m³
PM10
21.73ppb
O3
0.64ppb
SO2
3.75ppb
NO2
0.26ppm
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 2026-09-28.
In the last 24 hours, the best air quality in Norton, Massachusetts was observed at 10:00:00 on 2026-09-28.
As of now, the AQI in Norton, Massachusetts is 20, 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 1.433 μg/m3.
The PM10 concentration in Norton, Massachusetts is 4.817 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Norton, Massachusetts is 0.263 ppm.
Currently, Norton, Massachusetts has a sulfur dioxide (SO2) concentration of 0.559 ppb.
The current ozone (O3) level in Norton, Massachusetts at the moment is 22.235 ppm.
Nitrogen dioxide (NO2) level in Norton, Massachusetts at the moment is 4.026 ppb.
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