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
8.34 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
30.62 μg/m³
0
55
155
255
425
605+
37.15 ppb
0
55
71
86
201
201+
0.71 ppb
0
36
76
186
605
1005+
4.31 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Scituate, Massachusetts
Scituate, Massachusetts
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AQI 44
Good
8.07μg/m³
PM2.5
33.91μg/m³
PM10
39.37ppb
O3
0.71ppb
SO2
3.14ppb
NO2
0.17ppm
CO
AQI 49
Good
9.29μg/m³
PM2.5
29.44μg/m³
PM10
33.22ppb
O3
0.65ppb
SO2
3.12ppb
NO2
0.17ppm
CO
AQI 38
Good
7.27μg/m³
PM2.5
30.91μg/m³
PM10
36.05ppb
O3
0.84ppb
SO2
3.68ppb
NO2
0.16ppm
CO
AQI 52
Moderate
10.39μg/m³
PM2.5
43.58μg/m³
PM10
35.75ppb
O3
0.68ppb
SO2
3.11ppb
NO2
0.17ppm
CO
AQI 52
Moderate
9.99μg/m³
PM2.5
42.42μg/m³
PM10
38.64ppb
O3
0.75ppb
SO2
3.58ppb
NO2
0.16ppm
CO
AQI 49
Good
9.48μg/m³
PM2.5
38.72μg/m³
PM10
35.94ppb
O3
0.62ppb
SO2
3.08ppb
NO2
0.17ppm
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 04:00:00 on 2026-06-29.
In the last 24 hrs, the best air quality in Scituate, Massachusetts was observed at 04:00:00 on 2026-06-29.
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 8.339 μg/m3.
The current PM10 concentration at Scituate, Massachusetts is 30.618 μg/m3.
The current carbon monoxide (CO) concentration at Scituate, Massachusetts is 0.17 ppm.
The current sulfur dioxide (SO2) concentration at Scituate, Massachusetts is 0.709 ppb.
The current ozone (O3) concentration at Scituate, Massachusetts is 37.154 ppm.
The current nitrogen dioxide (NO2) concentration at Scituate, Massachusetts is 4.306 ppb.
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