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)
44
Good
Brentwood, Essex
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.67 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.77 μg/m³
0
55
155
255
425
605+
23.13 ppb
0
55
71
86
201
201+
1.13 ppb
0
36
76
186
605
1005+
14.39 ppb
0
54
101
361
1250
2050+
0.80 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Brentwood, Essex
Brentwood, Essex
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AQI 29
Good
4.71μg/m³
PM2.5
11.24μg/m³
PM10
31.43ppb
O3
1.18ppb
SO2
12.51ppb
NO2
1.01ppm
CO
AQI 33
Good
5.60μg/m³
PM2.5
10.23μg/m³
PM10
19.57ppb
O3
1.38ppb
SO2
20.64ppb
NO2
1.01ppm
CO
AQI 44
Good
8.21μg/m³
PM2.5
12.81μg/m³
PM10
24.50ppb
O3
1.25ppb
SO2
20.66ppb
NO2
1.01ppm
CO
AQI 49
Good
9.00μg/m³
PM2.5
13.00μg/m³
PM10
21.77ppb
O3
1.25ppb
SO2
24.47ppb
NO2
1.01ppm
CO
AQI 33
Good
5.92μg/m³
PM2.5
10.10μg/m³
PM10
24.45ppb
O3
1.48ppb
SO2
20.01ppb
NO2
1.01ppm
CO
AQI 38
Good
7.41μg/m³
PM2.5
12.51μg/m³
PM10
27.78ppb
O3
1.24ppb
SO2
15.49ppb
NO2
1.01ppm
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 04:00:00, 2026-02-11.
The best air quality in Brentwood, Essex was observed at 06:00:00 on 2026-02-11.
The air quality in Brentwood, Essex right now is Good, with an AQI of 44.
In Brentwood, Essex, PM2.5 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 7.672 μg/m3.
Brentwood, Essex currently has a PM10 concentration of 12.771 μg/m3.
The current carbon monoxide (CO) level in Brentwood, Essex is 0.803 ppm.
The current sulfur dioxide (SO2) concentration in Brentwood, Essex is 1.132 ppb.
Brentwood, Essex currently has an ozone (O3) concentration of 23.132 ppm.
The current level of nitrogen dioxide (NO2) in Brentwood, Essex is 14.394 ppb.
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