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)
38
Good
Brentwood, Essex
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.31 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
7.26 μg/m³
0
55
155
255
425
605+
41.40 ppb
0
55
71
86
201
201+
0.52 ppb
0
36
76
186
605
1005+
5.48 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Brentwood, Essex
Brentwood, Essex
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AQI 43
Good
3.91μg/m³
PM2.5
7.42μg/m³
PM10
46.44ppb
O3
0.40ppb
SO2
7.13ppb
NO2
0.17ppm
CO
AQI 33
Good
2.87μg/m³
PM2.5
7.57μg/m³
PM10
36.02ppb
O3
0.34ppb
SO2
3.27ppb
NO2
0.17ppm
CO
AQI 39
Good
5.30μg/m³
PM2.5
9.53μg/m³
PM10
42.26ppb
O3
0.39ppb
SO2
5.16ppb
NO2
0.17ppm
CO
AQI 40
Good
5.00μg/m³
PM2.5
6.00μg/m³
PM10
42.87ppb
O3
0.39ppb
SO2
2.45ppb
NO2
0.17ppm
CO
AQI 33
Good
3.40μg/m³
PM2.5
8.70μg/m³
PM10
35.76ppb
O3
0.36ppb
SO2
3.37ppb
NO2
0.17ppm
CO
AQI 38
Good
4.92μg/m³
PM2.5
10.20μg/m³
PM10
41.05ppb
O3
0.38ppb
SO2
5.05ppb
NO2
0.17ppm
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 07:00:00, 2026-06-28.
The best air quality in Brentwood, Essex was observed at 10:00:00 on 2026-06-29.
The air quality in Brentwood, Essex right now is Good, with an AQI of 39.
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 3.338 μg/m3.
Brentwood, Essex currently has a PM10 concentration of 12.74 μg/m3.
The current carbon monoxide (CO) level in Brentwood, Essex is 0.174 ppm.
The current sulfur dioxide (SO2) concentration in Brentwood, Essex is 0.443 ppb.
Brentwood, Essex currently has an ozone (O3) concentration of 42.102 ppm.
The current level of nitrogen dioxide (NO2) in Brentwood, Essex is 6.672 ppb.
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