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)
61
Moderate
Scituate, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.06 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
33.33 μg/m³
0
55
155
255
425
605+
57.94 ppb
0
55
71
86
201
201+
0.55 ppb
0
36
76
186
605
1005+
2.29 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Scituate, Massachusetts
Scituate, Massachusetts
Scroll To Air Quality MapLoading...
AQI 48
Good
3.34μg/m³
PM2.5
18.64μg/m³
PM10
52.17ppb
O3
0.56ppb
SO2
2.39ppb
NO2
0.20ppm
CO
AQI 45
Good
3.32μg/m³
PM2.5
11.98μg/m³
PM10
49.30ppb
O3
0.55ppb
SO2
2.40ppb
NO2
0.20ppm
CO
AQI 44
Good
3.06μg/m³
PM2.5
12.83μg/m³
PM10
48.19ppb
O3
0.74ppb
SO2
1.87ppb
NO2
0.20ppm
CO
AQI 54
Moderate
10.98μg/m³
PM2.5
34.03μg/m³
PM10
56.32ppb
O3
0.52ppb
SO2
2.41ppb
NO2
0.20ppm
CO
AQI 44
Good
3.23μg/m³
PM2.5
13.93μg/m³
PM10
48.29ppb
O3
0.66ppb
SO2
2.00ppb
NO2
0.20ppm
CO
AQI 45
Good
3.33μg/m³
PM2.5
12.71μg/m³
PM10
49.22ppb
O3
0.52ppb
SO2
2.40ppb
NO2
0.20ppm
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 06:00:00 on 2026-06-13.
In the last 24 hrs, the best air quality in Scituate, Massachusetts was observed at 07:00:00 on 2026-06-13.
The current air quality in Scituate, Massachusetts is 61, categorized as Moderate based on real-time data.
The most common pollutant in Scituate, Massachusetts is O3.
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 12.063 μg/m3.
The current PM10 concentration at Scituate, Massachusetts is 33.331 μg/m3.
The current carbon monoxide (CO) concentration at Scituate, Massachusetts is 0.201 ppm.
The current sulfur dioxide (SO2) concentration at Scituate, Massachusetts is 0.552 ppb.
The current ozone (O3) concentration at Scituate, Massachusetts is 57.939 ppm.
The current nitrogen dioxide (NO2) concentration at Scituate, Massachusetts is 2.288 ppb.
All Rights Reserved © Ambee Inc. 2025