Stay updated with real-time air quality in Holbrook, 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)
54
Moderate
Holbrook, Massachusetts
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
10.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
45.27 μg/m³
0
55
155
255
425
605+
11.60 ppb
0
55
71
86
201
201+
0.50 ppb
0
36
76
186
605
1005+
10.55 ppb
0
54
101
361
1250
2050+
0.55 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Holbrook, Massachusetts
Holbrook, Massachusetts
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AQI 44
Good
7.53μg/m³
PM2.5
30.94μg/m³
PM10
41.75ppb
O3
0.51ppb
SO2
3.23ppb
NO2
0.24ppm
CO
AQI 44
Good
8.37μg/m³
PM2.5
36.73μg/m³
PM10
41.95ppb
O3
0.45ppb
SO2
3.21ppb
NO2
0.23ppm
CO
AQI 38
Good
7.15μg/m³
PM2.5
30.68μg/m³
PM10
40.05ppb
O3
0.53ppb
SO2
4.70ppb
NO2
0.24ppm
CO
AQI 44
Good
8.05μg/m³
PM2.5
34.56μg/m³
PM10
41.31ppb
O3
0.48ppb
SO2
3.63ppb
NO2
0.23ppm
CO
AQI 44
Good
7.62μg/m³
PM2.5
31.43μg/m³
PM10
42.20ppb
O3
0.50ppb
SO2
2.90ppb
NO2
0.24ppm
CO
AQI 44
Good
7.74μg/m³
PM2.5
32.72μg/m³
PM10
40.64ppb
O3
0.51ppb
SO2
4.13ppb
NO2
0.24ppm
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 Holbrook, Massachusetts is updated every hour.
The worst air quality in Holbrook, Massachusetts in the last 24 hours was observed at 07:00:00 on 2025-09-14.
In the last 24 hrs, the best air quality in Holbrook, Massachusetts was observed at 03:00:00 on 2025-09-14.
The current air quality in Holbrook, Massachusetts is 44, categorized as Good based on real-time data.
The most common pollutant in Holbrook, Massachusetts is PM2.5.
If the air quality in Holbrook, Massachusetts is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Holbrook, Massachusetts is 7.792 μg/m3.
The current PM10 concentration at Holbrook, Massachusetts is 32.904 μg/m3.
The current carbon monoxide (CO) concentration at Holbrook, Massachusetts is 0.238 ppm.
The current sulfur dioxide (SO2) concentration at Holbrook, Massachusetts is 0.497 ppb.
The current ozone (O3) concentration at Holbrook, Massachusetts is 41.121 ppm.
The current nitrogen dioxide (NO2) concentration at Holbrook, Massachusetts is 3.757 ppb.
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