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)
25
Good
Easton, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.49 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.67 μg/m³
0
55
155
255
425
605+
27.07 ppb
0
55
71
86
201
201+
0.52 ppb
0
36
76
186
605
1005+
2.37 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Easton, Massachusetts
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AQI 25
Good
3.23μg/m³
PM2.5
10.57μg/m³
PM10
27.00ppb
O3
0.49ppb
SO2
2.49ppb
NO2
0.17ppm
CO
AQI 26
Good
2.56μg/m³
PM2.5
10.98μg/m³
PM10
27.82ppb
O3
0.49ppb
SO2
2.49ppb
NO2
0.17ppm
CO
AQI 27
Good
2.61μg/m³
PM2.5
13.14μg/m³
PM10
29.48ppb
O3
0.52ppb
SO2
2.49ppb
NO2
0.17ppm
CO
AQI 24
Good
3.80μg/m³
PM2.5
10.90μg/m³
PM10
25.85ppb
O3
0.52ppb
SO2
3.42ppb
NO2
0.17ppm
CO
AQI 27
Good
3.33μg/m³
PM2.5
17.76μg/m³
PM10
28.55ppb
O3
0.56ppb
SO2
2.67ppb
NO2
0.16ppm
CO
AQI 27
Good
3.30μg/m³
PM2.5
18.93μg/m³
PM10
28.94ppb
O3
0.56ppb
SO2
2.52ppb
NO2
0.16ppm
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, 2026-11-12.
The best air quality in Easton, Massachusetts was observed at 08:00:00 on 2026-11-12.
The air quality in Easton, Massachusetts right now is Good, with an AQI of 27.
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 3.727 μg/m3.
Easton, Massachusetts currently has a PM10 concentration of 19.195 μg/m3.
The current carbon monoxide (CO) level in Easton, Massachusetts is 0.168 ppm.
The current sulfur dioxide (SO2) concentration in Easton, Massachusetts is 0.521 ppb.
Easton, Massachusetts currently has an ozone (O3) concentration of 28.558 ppm.
The current level of nitrogen dioxide (NO2) in Easton, Massachusetts is 2.608 ppb.
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