Stay updated with real-time air quality in Brentwood, Essex 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)
18
Good
Brentwood, Essex
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.14 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.39 μg/m³
0
55
155
255
425
605+
19.22 ppb
0
55
71
86
201
201+
0.61 ppb
0
36
76
186
605
1005+
2.86 ppb
0
54
101
361
1250
2050+
0.13 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Brentwood, Essex
Brentwood, Essex
Scroll To Air Quality MapLoading...
AQI 19
Good
3.32μg/m³
PM2.5
7.01μg/m³
PM10
20.53ppb
O3
0.56ppb
SO2
3.03ppb
NO2
0.13ppm
CO
AQI 17
Good
1.71μg/m³
PM2.5
6.07μg/m³
PM10
17.63ppb
O3
0.69ppb
SO2
3.93ppb
NO2
0.13ppm
CO
AQI 22
Good
3.74μg/m³
PM2.5
9.04μg/m³
PM10
17.52ppb
O3
0.60ppb
SO2
5.11ppb
NO2
0.13ppm
CO
AQI 16
Good
3.00μg/m³
PM2.5
12.00μg/m³
PM10
16.85ppb
O3
0.61ppb
SO2
3.67ppb
NO2
0.13ppm
CO
AQI 17
Good
1.87μg/m³
PM2.5
6.14μg/m³
PM10
18.27ppb
O3
0.73ppb
SO2
5.21ppb
NO2
0.13ppm
CO
AQI 18
Good
3.26μg/m³
PM2.5
8.57μg/m³
PM10
18.98ppb
O3
0.55ppb
SO2
4.66ppb
NO2
0.13ppm
CO
The air quality data for Essex, UK is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Brentwood, Essex are available every hour.
Brentwood, Essex experienced its worst air quality at 09:00:00, 2026-06-12.
The best air quality in Brentwood, Essex was observed at 08:00:00 on 2026-06-12.
The air quality in Brentwood, Essex right now is Good, with an AQI of 18.
In Brentwood, Essex, O3 is the most frequently found pollutant.
When air quality in Brentwood, Essex is compromised, staying indoors and wearing a mask can reduce health risks.
Brentwood, Essex currently has a PM2.5 concentration of 3.138 μg/m3.
Brentwood, Essex currently has a PM10 concentration of 7.388 μg/m3.
The current carbon monoxide (CO) level in Brentwood, Essex is 0.127 ppm.
The current sulfur dioxide (SO2) concentration in Brentwood, Essex is 0.614 ppb.
Brentwood, Essex currently has an ozone (O3) concentration of 19.219 ppm.
The current level of nitrogen dioxide (NO2) in Brentwood, Essex is 2.856 ppb.
All Rights Reserved © Ambee Inc. 2025