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)
24
Good
Newton, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.13 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.06 μg/m³
0
55
155
255
425
605+
25.61 ppb
0
55
71
86
201
201+
0.70 ppb
0
36
76
186
605
1005+
2.63 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Newton, Massachusetts
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AQI 24
Good
4.06μg/m³
PM2.5
16.93μg/m³
PM10
26.49ppb
O3
0.68ppb
SO2
2.71ppb
NO2
0.19ppm
CO
AQI 23
Good
4.15μg/m³
PM2.5
18.05μg/m³
PM10
25.34ppb
O3
0.73ppb
SO2
2.66ppb
NO2
0.17ppm
CO
AQI 23
Good
3.84μg/m³
PM2.5
14.24μg/m³
PM10
25.35ppb
O3
0.63ppb
SO2
2.57ppb
NO2
0.20ppm
CO
AQI 24
Good
3.86μg/m³
PM2.5
16.08μg/m³
PM10
26.15ppb
O3
0.66ppb
SO2
2.52ppb
NO2
0.20ppm
CO
AQI 25
Good
4.07μg/m³
PM2.5
17.04μg/m³
PM10
26.52ppb
O3
0.68ppb
SO2
2.75ppb
NO2
0.19ppm
CO
AQI 24
Good
3.91μg/m³
PM2.5
16.13μg/m³
PM10
26.26ppb
O3
0.78ppb
SO2
2.04ppb
NO2
0.18ppm
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 11:00:00, 2026-08-13.
The best air quality in Newton, Massachusetts was observed at 04:00:00 on 2026-08-14.
The air quality in Newton, Massachusetts right now is Good, with an AQI of 24.
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 4.131 μg/m3.
Newton, Massachusetts currently has a PM10 concentration of 16.058 μg/m3.
The current carbon monoxide (CO) level in Newton, Massachusetts is 0.167 ppm.
The current sulfur dioxide (SO2) concentration in Newton, Massachusetts is 0.697 ppb.
Newton, Massachusetts currently has an ozone (O3) concentration of 25.605 ppm.
The current level of nitrogen dioxide (NO2) in Newton, Massachusetts is 2.626 ppb.
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