Stay updated with real-time air quality in Brentwood, California 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)
66
Moderate
Brentwood, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
16.91 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
38.43 μg/m³
0
55
155
255
425
605+
11.86 ppb
0
55
71
86
201
201+
0.50 ppb
0
36
76
186
605
1005+
5.43 ppb
0
54
101
361
1250
2050+
0.38 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Brentwood, California
Brentwood, California
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AQI 62
Moderate
15.11μg/m³
PM2.5
54.95μg/m³
PM10
12.05ppb
O3
0.51ppb
SO2
5.01ppb
NO2
0.39ppm
CO
AQI 66
Moderate
16.77μg/m³
PM2.5
22.00μg/m³
PM10
10.70ppb
O3
0.52ppb
SO2
3.92ppb
NO2
0.35ppm
CO
AQI 81
Moderate
25.03μg/m³
PM2.5
91.96μg/m³
PM10
10.52ppb
O3
0.61ppb
SO2
4.75ppb
NO2
0.34ppm
CO
AQI 54
Moderate
11.04μg/m³
PM2.5
46.59μg/m³
PM10
10.10ppb
O3
0.37ppb
SO2
4.74ppb
NO2
0.34ppm
CO
AQI 62
Moderate
14.50μg/m³
PM2.5
64.85μg/m³
PM10
13.95ppb
O3
0.32ppb
SO2
4.37ppb
NO2
0.38ppm
CO
AQI 38
Good
7.20μg/m³
PM2.5
25.89μg/m³
PM10
12.40ppb
O3
0.52ppb
SO2
3.52ppb
NO2
0.37ppm
CO
Air quality measurements for California, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Brentwood, California is updated on an hourly basis.
The worst air quality in Brentwood, California was recorded at 11:00:00 on 2025-12-07.
The best air quality in Brentwood, California was recorded at 09:00:00 on 2025-12-07.
The real-time air quality index in Brentwood, California is 62, currently categorized as Moderate.
The most common pollutant in Brentwood, California is PM2.5.
If the air quality in Brentwood, California is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Brentwood, California at present are 14.754 μg/m3.
The current PM10 levels in Brentwood, California are 54.762 μg/m3.
The current carbon monoxide (CO) level in Brentwood, California is 0.386 ppm.
The current sulfur dioxide (SO2) levels in Brentwood, California are 0.5 ppb.
The current ozone (O3) levels at Brentwood, California is 12.323 ppm.
The current nitrogen dioxide (NO2) levels at Brentwood, California is 4.945 ppb.
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