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)
42
Good
Brentwood, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.43 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.03 μg/m³
0
55
155
255
425
605+
44.66 ppb
0
55
71
86
201
201+
1.73 ppb
0
36
76
186
605
1005+
2.67 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Brentwood, California
Brentwood, California
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AQI 41
Good
6.99μg/m³
PM2.5
16.43μg/m³
PM10
44.35ppb
O3
1.87ppb
SO2
2.66ppb
NO2
0.30ppm
CO
AQI 41
Good
3.07μg/m³
PM2.5
16.46μg/m³
PM10
43.80ppb
O3
1.31ppb
SO2
2.63ppb
NO2
0.29ppm
CO
AQI 39
Good
4.38μg/m³
PM2.5
19.38μg/m³
PM10
41.84ppb
O3
1.09ppb
SO2
3.86ppb
NO2
0.31ppm
CO
AQI 36
Good
2.87μg/m³
PM2.5
16.30μg/m³
PM10
38.75ppb
O3
0.85ppb
SO2
2.39ppb
NO2
0.30ppm
CO
AQI 43
Good
2.78μg/m³
PM2.5
11.64μg/m³
PM10
46.35ppb
O3
0.70ppb
SO2
1.65ppb
NO2
0.23ppm
CO
AQI 44
Good
3.12μg/m³
PM2.5
13.13μg/m³
PM10
48.21ppb
O3
1.05ppb
SO2
2.06ppb
NO2
0.30ppm
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 10:00:00 on 2026-06-12.
The best air quality in Brentwood, California was recorded at 03:00:00 on 2026-06-12.
The real-time air quality index in Brentwood, California is 42, currently categorized as Good.
The most common pollutant in Brentwood, California is O3.
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 6.435 μg/m3.
The current PM10 levels in Brentwood, California are 16.027 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 1.733 ppb.
The current ozone (O3) levels at Brentwood, California is 44.665 ppm.
The current nitrogen dioxide (NO2) levels at Brentwood, California is 2.675 ppb.
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