Stay updated with real-time air quality in Scituate, 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)
44
Good
Scituate, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.09 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
32.08 μg/m³
0
55
155
255
425
605+
30.40 ppb
0
55
71
86
201
201+
0.47 ppb
0
36
76
186
605
1005+
22.69 ppb
0
54
101
361
1250
2050+
0.42 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Scituate, Massachusetts
Scituate, Massachusetts
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AQI 52
Moderate
9.99μg/m³
PM2.5
52.24μg/m³
PM10
26.72ppb
O3
0.47ppb
SO2
22.63ppb
NO2
0.42ppm
CO
AQI 52
Moderate
10.21μg/m³
PM2.5
52.27μg/m³
PM10
29.81ppb
O3
0.43ppb
SO2
22.58ppb
NO2
0.42ppm
CO
AQI 38
Good
7.42μg/m³
PM2.5
33.29μg/m³
PM10
25.95ppb
O3
0.45ppb
SO2
19.46ppb
NO2
0.44ppm
CO
AQI 44
Good
7.71μg/m³
PM2.5
31.55μg/m³
PM10
30.28ppb
O3
0.47ppb
SO2
21.66ppb
NO2
0.42ppm
CO
AQI 38
Good
7.08μg/m³
PM2.5
31.43μg/m³
PM10
26.66ppb
O3
0.44ppb
SO2
20.64ppb
NO2
0.44ppm
CO
AQI 52
Moderate
10.12μg/m³
PM2.5
54.46μg/m³
PM10
29.81ppb
O3
0.42ppb
SO2
21.67ppb
NO2
0.42ppm
CO
Air quality data and pollutant measurements for Massachusetts, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Scituate, Massachusetts is updated every hour.
The worst air quality in Scituate, Massachusetts in the last 24 hours was observed at 02:00:00 on 2025-12-28.
In the last 24 hrs, the best air quality in Scituate, Massachusetts was observed at 05:00:00 on 2025-12-28.
The current air quality in Scituate, Massachusetts is 44, categorized as Good based on real-time data.
The most common pollutant in Scituate, Massachusetts is PM2.5.
If the air quality in Scituate, Massachusetts is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Scituate, Massachusetts is 8.086 μg/m3.
The current PM10 concentration at Scituate, Massachusetts is 32.08 μg/m3.
The current carbon monoxide (CO) concentration at Scituate, Massachusetts is 0.42 ppm.
The current sulfur dioxide (SO2) concentration at Scituate, Massachusetts is 0.475 ppb.
The current ozone (O3) concentration at Scituate, Massachusetts is 30.402 ppm.
The current nitrogen dioxide (NO2) concentration at Scituate, Massachusetts is 22.69 ppb.
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