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)
29
Good
Holbrook, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.58 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.69 μg/m³
0
55
155
255
425
605+
31.49 ppb
0
55
71
86
201
201+
0.43 ppb
0
36
76
186
605
1005+
16.23 ppb
0
54
101
361
1250
2050+
0.43 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Holbrook, Massachusetts
Holbrook, Massachusetts
Scroll To Air Quality MapLoading...
AQI 30
Good
5.04μg/m³
PM2.5
25.24μg/m³
PM10
31.72ppb
O3
0.44ppb
SO2
15.14ppb
NO2
0.44ppm
CO
AQI 31
Good
4.14μg/m³
PM2.5
18.35μg/m³
PM10
32.90ppb
O3
0.41ppb
SO2
15.97ppb
NO2
0.43ppm
CO
AQI 28
Good
4.42μg/m³
PM2.5
22.19μg/m³
PM10
30.50ppb
O3
0.44ppb
SO2
15.92ppb
NO2
0.43ppm
CO
AQI 30
Good
4.37μg/m³
PM2.5
20.93μg/m³
PM10
31.93ppb
O3
0.42ppb
SO2
16.37ppb
NO2
0.43ppm
CO
AQI 30
Good
5.04μg/m³
PM2.5
24.60μg/m³
PM10
32.25ppb
O3
0.43ppb
SO2
14.67ppb
NO2
0.44ppm
CO
AQI 29
Good
4.50μg/m³
PM2.5
22.62μg/m³
PM10
31.03ppb
O3
0.43ppb
SO2
16.69ppb
NO2
0.43ppm
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 03:00:00 on 2025-12-28.
In the last 24 hrs, the best air quality in Holbrook, Massachusetts was observed at 06:00:00 on 2025-12-28.
The current air quality in Holbrook, Massachusetts is 29, categorized as Good based on real-time data.
The most common pollutant in Holbrook, Massachusetts is O3.
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 4.585 μg/m3.
The current PM10 concentration at Holbrook, Massachusetts is 22.686 μg/m3.
The current carbon monoxide (CO) concentration at Holbrook, Massachusetts is 0.435 ppm.
The current sulfur dioxide (SO2) concentration at Holbrook, Massachusetts is 0.431 ppb.
The current ozone (O3) concentration at Holbrook, Massachusetts is 31.487 ppm.
The current nitrogen dioxide (NO2) concentration at Holbrook, Massachusetts is 16.226 ppb.
All Rights Reserved © Ambee Inc. 2025