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)
33
Good
Brentwood, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.94 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.99 μg/m³
0
55
155
255
425
605+
19.34 ppb
0
55
71
86
201
201+
1.51 ppb
0
36
76
186
605
1005+
3.12 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Brentwood, California
Brentwood, California
Scroll To Air Quality MapLoading...
AQI 44
Good
7.89μg/m³
PM2.5
25.46μg/m³
PM10
30.01ppb
O3
1.89ppb
SO2
1.61ppb
NO2
0.30ppm
CO
AQI 27
Good
4.44μg/m³
PM2.5
19.77μg/m³
PM10
29.49ppb
O3
1.34ppb
SO2
2.96ppb
NO2
0.29ppm
CO
AQI 23
Good
2.46μg/m³
PM2.5
14.43μg/m³
PM10
25.14ppb
O3
1.04ppb
SO2
2.74ppb
NO2
0.30ppm
CO
AQI 23
Good
2.01μg/m³
PM2.5
15.77μg/m³
PM10
25.14ppb
O3
0.70ppb
SO2
3.02ppb
NO2
0.30ppm
CO
AQI 23
Good
2.90μg/m³
PM2.5
12.80μg/m³
PM10
25.18ppb
O3
0.24ppb
SO2
2.36ppb
NO2
0.32ppm
CO
AQI 30
Good
4.61μg/m³
PM2.5
20.09μg/m³
PM10
32.19ppb
O3
1.19ppb
SO2
2.39ppb
NO2
0.23ppm
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 2025-07-25.
The best air quality in Brentwood, California was recorded at 07:00:00 on 2025-07-25.
The real-time air quality index in Brentwood, California is 38, currently categorized as Good.
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 7.198 μg/m3.
The current PM10 levels in Brentwood, California are 23.447 μg/m3.
The current carbon monoxide (CO) level in Brentwood, California is 0.295 ppm.
The current sulfur dioxide (SO2) levels in Brentwood, California are 1.751 ppb.
The current ozone (O3) levels at Brentwood, California is 29.546 ppm.
The current nitrogen dioxide (NO2) levels at Brentwood, California is 1.908 ppb.
All Rights Reserved © Ambee Inc. 2025