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

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.77 μg/m³
0
55
155
255
425
605+
35.98 ppb
0
55
71
86
201
201+
0.37 ppb
0
36
76
186
605
1005+
7.41 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Newton, Massachusetts
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AQI 33
Good
4.34μg/m³
PM2.5
17.12μg/m³
PM10
36.12ppb
O3
0.60ppb
SO2
10.05ppb
NO2
0.15ppm
CO
AQI 38
Good
4.50μg/m³
PM2.5
17.49μg/m³
PM10
40.94ppb
O3
0.49ppb
SO2
10.66ppb
NO2
0.17ppm
CO
AQI 38
Good
4.24μg/m³
PM2.5
17.29μg/m³
PM10
40.88ppb
O3
0.42ppb
SO2
10.36ppb
NO2
0.17ppm
CO
AQI 38
Good
4.22μg/m³
PM2.5
17.12μg/m³
PM10
40.97ppb
O3
0.46ppb
SO2
10.37ppb
NO2
0.17ppm
CO
AQI 33
Good
4.34μg/m³
PM2.5
17.23μg/m³
PM10
36.27ppb
O3
0.60ppb
SO2
10.04ppb
NO2
0.15ppm
CO
AQI 33
Good
4.34μg/m³
PM2.5
16.73μg/m³
PM10
36.18ppb
O3
0.63ppb
SO2
9.92ppb
NO2
0.14ppm
CO
The air quality data for Massachusetts, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Newton, Massachusetts are available every hour.
Newton, Massachusetts experienced its worst air quality at 07:00:00, 2026-03-13.
The best air quality in Newton, Massachusetts was observed at 12:00:00 on 2026-03-13.
The air quality in Newton, Massachusetts right now is Good, with an AQI of 33.
In Newton, Massachusetts, O3 is the most frequently found pollutant.
When air quality in Newton, Massachusetts is compromised, staying indoors and wearing a mask can reduce health risks.
Newton, Massachusetts currently has a PM2.5 concentration of 4.497 μg/m3.
Newton, Massachusetts currently has a PM10 concentration of 15.768 μg/m3.
The current carbon monoxide (CO) level in Newton, Massachusetts is 0.156 ppm.
The current sulfur dioxide (SO2) concentration in Newton, Massachusetts is 0.37 ppb.
Newton, Massachusetts currently has an ozone (O3) concentration of 35.983 ppm.
The current level of nitrogen dioxide (NO2) in Newton, Massachusetts is 7.406 ppb.
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