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)
58
Moderate
Holbrook, Massachusetts
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
12.76 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
45.60 μg/m³
0
55
155
255
425
605+
20.40 ppb
0
55
71
86
201
201+
0.80 ppb
0
36
76
186
605
1005+
6.91 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Holbrook, Massachusetts
Holbrook, Massachusetts
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AQI 62
Moderate
15.01μg/m³
PM2.5
48.70μg/m³
PM10
22.09ppb
O3
0.84ppb
SO2
7.08ppb
NO2
0.25ppm
CO
AQI 52
Moderate
10.15μg/m³
PM2.5
28.09μg/m³
PM10
30.64ppb
O3
0.81ppb
SO2
6.58ppb
NO2
0.24ppm
CO
AQI 56
Moderate
12.13μg/m³
PM2.5
47.94μg/m³
PM10
21.43ppb
O3
0.84ppb
SO2
7.77ppb
NO2
0.25ppm
CO
AQI 49
Good
8.87μg/m³
PM2.5
16.34μg/m³
PM10
30.65ppb
O3
0.81ppb
SO2
6.42ppb
NO2
0.24ppm
CO
AQI 62
Moderate
15.50μg/m³
PM2.5
48.27μg/m³
PM10
23.33ppb
O3
0.84ppb
SO2
7.48ppb
NO2
0.25ppm
CO
AQI 54
Moderate
11.30μg/m³
PM2.5
35.82μg/m³
PM10
30.59ppb
O3
0.82ppb
SO2
6.62ppb
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 12:00:00 on 2025-06-07.
In the last 24 hrs, the best air quality in Holbrook, Massachusetts was observed at 02:00:00 on 2025-06-07.
The current air quality in Holbrook, Massachusetts is 58, categorized as Moderate 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 12.76 μg/m3.
The current PM10 concentration at Holbrook, Massachusetts is 45.602 μg/m3.
The current carbon monoxide (CO) concentration at Holbrook, Massachusetts is 0.204 ppm.
The current sulfur dioxide (SO2) concentration at Holbrook, Massachusetts is 0.796 ppb.
The current ozone (O3) concentration at Holbrook, Massachusetts is 20.404 ppm.
The current nitrogen dioxide (NO2) concentration at Holbrook, Massachusetts is 6.91 ppb.
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