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)
27
Good
Easton, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.40 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
6.06 μg/m³
0
55
155
255
425
605+
28.76 ppb
0
55
71
86
201
201+
0.33 ppb
0
36
76
186
605
1005+
4.87 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Easton, Massachusetts
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AQI 26
Good
1.86μg/m³
PM2.5
5.06μg/m³
PM10
27.67ppb
O3
0.31ppb
SO2
3.62ppb
NO2
0.26ppm
CO
AQI 26
Good
1.84μg/m³
PM2.5
4.60μg/m³
PM10
27.90ppb
O3
0.30ppb
SO2
4.15ppb
NO2
0.26ppm
CO
AQI 27
Good
1.93μg/m³
PM2.5
4.98μg/m³
PM10
28.91ppb
O3
0.32ppb
SO2
3.44ppb
NO2
0.26ppm
CO
AQI 26
Good
2.32μg/m³
PM2.5
7.16μg/m³
PM10
27.81ppb
O3
0.32ppb
SO2
4.06ppb
NO2
0.26ppm
CO
AQI 26
Good
2.75μg/m³
PM2.5
10.07μg/m³
PM10
27.55ppb
O3
0.29ppb
SO2
4.08ppb
NO2
0.26ppm
CO
AQI 27
Good
2.42μg/m³
PM2.5
10.04μg/m³
PM10
28.88ppb
O3
0.32ppb
SO2
3.72ppb
NO2
0.26ppm
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 03:00:00, 2026-02-11.
The best air quality in Easton, Massachusetts was observed at 12:00:00 on 2026-02-12.
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 2.402 μg/m3.
Easton, Massachusetts currently has a PM10 concentration of 6.064 μg/m3.
The current carbon monoxide (CO) level in Easton, Massachusetts is 0.242 ppm.
The current sulfur dioxide (SO2) concentration in Easton, Massachusetts is 0.334 ppb.
Easton, Massachusetts currently has an ozone (O3) concentration of 28.759 ppm.
The current level of nitrogen dioxide (NO2) in Easton, Massachusetts is 4.87 ppb.
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