Stay updated with real-time air quality in Brockton, 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)
30
Good
Brockton, Massachusetts
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.73 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.34 μg/m³
0
55
155
255
425
605+
32.01 ppb
0
55
71
86
201
201+
0.38 ppb
0
36
76
186
605
1005+
15.15 ppb
0
54
101
361
1250
2050+
0.35 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Brockton, Massachusetts
Brockton, Massachusetts
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AQI 29
Good
4.00μg/m³
PM2.5
20.48μg/m³
PM10
30.96ppb
O3
0.42ppb
SO2
8.03ppb
NO2
0.33ppm
CO
AQI 29
Good
4.23μg/m³
PM2.5
24.08μg/m³
PM10
31.15ppb
O3
0.43ppb
SO2
7.97ppb
NO2
0.33ppm
CO
AQI 29
Good
3.99μg/m³
PM2.5
20.35μg/m³
PM10
30.92ppb
O3
0.42ppb
SO2
8.06ppb
NO2
0.33ppm
CO
AQI 29
Good
3.94μg/m³
PM2.5
19.62μg/m³
PM10
30.89ppb
O3
0.42ppb
SO2
8.09ppb
NO2
0.33ppm
CO
AQI 30
Good
4.63μg/m³
PM2.5
31.41μg/m³
PM10
31.90ppb
O3
0.43ppb
SO2
7.76ppb
NO2
0.33ppm
CO
AQI 30
Good
4.65μg/m³
PM2.5
31.54μg/m³
PM10
31.75ppb
O3
0.43ppb
SO2
7.83ppb
NO2
0.33ppm
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 Brockton, Massachusetts is updated every hour.
The worst air quality in Brockton, 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 Brockton, Massachusetts was observed at 06:00:00 on 2025-12-28.
The current air quality in Brockton, Massachusetts is 30, categorized as Good based on real-time data.
The most common pollutant in Brockton, Massachusetts is O3.
If the air quality in Brockton, Massachusetts is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Brockton, Massachusetts is 3.732 μg/m3.
The current PM10 concentration at Brockton, Massachusetts is 16.337 μg/m3.
The current carbon monoxide (CO) concentration at Brockton, Massachusetts is 0.353 ppm.
The current sulfur dioxide (SO2) concentration at Brockton, Massachusetts is 0.381 ppb.
The current ozone (O3) concentration at Brockton, Massachusetts is 32.007 ppm.
The current nitrogen dioxide (NO2) concentration at Brockton, Massachusetts is 15.153 ppb.
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