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)
24
Good
Scituate, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.58 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
6.89 μg/m³
0
55
155
255
425
605+
25.94 ppb
0
55
71
86
201
201+
0.81 ppb
0
36
76
186
605
1005+
5.07 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Scituate, Massachusetts
Scituate, Massachusetts
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AQI 23
Good
1.25μg/m³
PM2.5
4.76μg/m³
PM10
25.03ppb
O3
0.80ppb
SO2
5.18ppb
NO2
0.26ppm
CO
AQI 22
Good
1.32μg/m³
PM2.5
4.76μg/m³
PM10
24.34ppb
O3
0.66ppb
SO2
5.30ppb
NO2
0.26ppm
CO
AQI 24
Good
2.07μg/m³
PM2.5
8.81μg/m³
PM10
25.84ppb
O3
0.83ppb
SO2
2.49ppb
NO2
0.28ppm
CO
AQI 23
Good
1.38μg/m³
PM2.5
4.89μg/m³
PM10
25.27ppb
O3
0.78ppb
SO2
4.85ppb
NO2
0.26ppm
CO
AQI 24
Good
1.62μg/m³
PM2.5
6.71μg/m³
PM10
26.31ppb
O3
0.78ppb
SO2
3.28ppb
NO2
0.27ppm
CO
AQI 21
Good
1.63μg/m³
PM2.5
7.74μg/m³
PM10
23.12ppb
O3
0.63ppb
SO2
4.95ppb
NO2
0.26ppm
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 03:00:00 on 2026-09-28.
In the last 24 hrs, the best air quality in Scituate, Massachusetts was observed at 09:00:00 on 2026-09-28.
The current air quality in Scituate, Massachusetts is 24, categorized as Good 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 1.583 μg/m3.
The current PM10 concentration at Scituate, Massachusetts is 6.892 μg/m3.
The current carbon monoxide (CO) concentration at Scituate, Massachusetts is 0.257 ppm.
The current sulfur dioxide (SO2) concentration at Scituate, Massachusetts is 0.81 ppb.
The current ozone (O3) concentration at Scituate, Massachusetts is 25.942 ppm.
The current nitrogen dioxide (NO2) concentration at Scituate, Massachusetts is 5.07 ppb.
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