Stay updated with real-time air quality in Marshfield, 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)
69
Moderate
Marshfield, Massachusetts
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
19.27 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
70.49 μg/m³
0
55
155
255
425
605+
35.61 ppb
0
55
71
86
201
201+
0.70 ppb
0
36
76
186
605
1005+
9.85 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Marshfield, Massachusetts
Marshfield, Massachusetts
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AQI 67
Moderate
18.04μg/m³
PM2.5
69.51μg/m³
PM10
43.17ppb
O3
0.67ppb
SO2
5.30ppb
NO2
0.28ppm
CO
AQI 71
Moderate
20.36μg/m³
PM2.5
56.90μg/m³
PM10
43.28ppb
O3
0.66ppb
SO2
5.34ppb
NO2
0.27ppm
CO
AQI 67
Moderate
18.03μg/m³
PM2.5
69.81μg/m³
PM10
43.08ppb
O3
0.67ppb
SO2
5.31ppb
NO2
0.28ppm
CO
AQI 71
Moderate
20.19μg/m³
PM2.5
65.55μg/m³
PM10
43.98ppb
O3
0.67ppb
SO2
8.15ppb
NO2
0.27ppm
CO
AQI 69
Moderate
18.67μg/m³
PM2.5
82.00μg/m³
PM10
43.69ppb
O3
0.65ppb
SO2
6.71ppb
NO2
0.27ppm
CO
AQI 67
Moderate
18.47μg/m³
PM2.5
78.38μg/m³
PM10
43.91ppb
O3
0.69ppb
SO2
6.75ppb
NO2
0.27ppm
CO
Air quality and pollutant data for Massachusetts, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Marshfield, Massachusetts is updated every hour for accuracy.
In the past 24 hours, the air quality in Marshfield, Massachusetts was at its worst at 01:00:00 on 2025-06-06.
In the last 24 hours, the best air quality in Marshfield, Massachusetts was observed at 01:00:00 on 2025-06-05.
As of now, the AQI in Marshfield, Massachusetts is 69, indicating Moderate conditions.
Marshfield, Massachusetts air has the highest levels of PM2.5.
Poor air quality in Marshfield, Massachusetts means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Marshfield, Massachusetts are currently 19.272 μg/m3.
The PM10 concentration in Marshfield, Massachusetts is 70.486 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Marshfield, Massachusetts is 0.245 ppm.
Currently, Marshfield, Massachusetts has a sulfur dioxide (SO2) concentration of 0.704 ppb.
The current ozone (O3) level in Marshfield, Massachusetts at the moment is 35.607 ppm.
Nitrogen dioxide (NO2) level in Marshfield, Massachusetts at the moment is 9.848 ppb.
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