Stay updated with real-time air quality in Easton, 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)
29
Good
Easton, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.16 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.16 μg/m³
0
55
155
255
425
605+
30.89 ppb
0
55
71
86
201
201+
0.39 ppb
0
36
76
186
605
1005+
4.21 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Easton, Massachusetts
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AQI 23
Good
4.18μg/m³
PM2.5
13.91μg/m³
PM10
25.36ppb
O3
0.37ppb
SO2
4.27ppb
NO2
0.20ppm
CO
AQI 27
Good
4.18μg/m³
PM2.5
13.96μg/m³
PM10
28.62ppb
O3
0.35ppb
SO2
4.33ppb
NO2
0.20ppm
CO
AQI 28
Good
4.43μg/m³
PM2.5
19.66μg/m³
PM10
30.08ppb
O3
0.37ppb
SO2
4.35ppb
NO2
0.20ppm
CO
AQI 23
Good
4.37μg/m³
PM2.5
13.81μg/m³
PM10
24.86ppb
O3
0.40ppb
SO2
4.06ppb
NO2
0.19ppm
CO
AQI 27
Good
4.50μg/m³
PM2.5
19.26μg/m³
PM10
26.17ppb
O3
0.46ppb
SO2
2.16ppb
NO2
0.17ppm
CO
AQI 27
Good
4.78μg/m³
PM2.5
20.90μg/m³
PM10
28.84ppb
O3
0.44ppb
SO2
2.70ppb
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 Easton, Massachusetts are available every hour.
Easton, Massachusetts experienced its worst air quality at 06:00:00, 2026-08-14.
The best air quality in Easton, Massachusetts was observed at 03:00:00 on 2026-08-14.
The air quality in Easton, Massachusetts right now is Good, with an AQI of 29.
In Easton, Massachusetts, O3 is the most frequently found pollutant.
When air quality in Easton, Massachusetts is compromised, staying indoors and wearing a mask can reduce health risks.
Easton, Massachusetts currently has a PM2.5 concentration of 4.159 μg/m3.
Easton, Massachusetts currently has a PM10 concentration of 16.165 μg/m3.
The current carbon monoxide (CO) level in Easton, Massachusetts is 0.204 ppm.
The current sulfur dioxide (SO2) concentration in Easton, Massachusetts is 0.392 ppb.
Easton, Massachusetts currently has an ozone (O3) concentration of 30.891 ppm.
The current level of nitrogen dioxide (NO2) in Easton, Massachusetts is 4.214 ppb.
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