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)
27
Good
Brentwood, Essex
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.79 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
6.97 μg/m³
0
55
155
255
425
605+
15.62 ppb
0
55
71
86
201
201+
0.49 ppb
0
36
76
186
605
1005+
6.44 ppb
0
54
101
361
1250
2050+
0.35 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Brentwood, Essex
Brentwood, Essex
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AQI 27
Good
4.51μg/m³
PM2.5
9.75μg/m³
PM10
20.19ppb
O3
0.45ppb
SO2
4.12ppb
NO2
0.36ppm
CO
AQI 16
Good
2.62μg/m³
PM2.5
6.09μg/m³
PM10
11.26ppb
O3
0.59ppb
SO2
6.18ppb
NO2
0.36ppm
CO
AQI 33
Good
6.17μg/m³
PM2.5
10.82μg/m³
PM10
17.28ppb
O3
0.53ppb
SO2
5.52ppb
NO2
0.36ppm
CO
AQI 33
Good
6.00μg/m³
PM2.5
11.00μg/m³
PM10
17.14ppb
O3
0.55ppb
SO2
3.35ppb
NO2
0.36ppm
CO
AQI 16
Good
2.88μg/m³
PM2.5
6.17μg/m³
PM10
13.18ppb
O3
0.58ppb
SO2
6.01ppb
NO2
0.36ppm
CO
AQI 33
Good
5.67μg/m³
PM2.5
10.02μg/m³
PM10
18.16ppb
O3
0.49ppb
SO2
4.97ppb
NO2
0.36ppm
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 01:00:00, 2026-10-07.
The best air quality in Brentwood, Essex was observed at 04:00:00 on 2026-10-08.
The air quality in Brentwood, Essex right now is Good, with an AQI of 19.
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 3.473 μg/m3.
Brentwood, Essex currently has a PM10 concentration of 8.66 μg/m3.
The current carbon monoxide (CO) level in Brentwood, Essex is 0.359 ppm.
The current sulfur dioxide (SO2) concentration in Brentwood, Essex is 0.584 ppb.
Brentwood, Essex currently has an ozone (O3) concentration of 19.927 ppm.
The current level of nitrogen dioxide (NO2) in Brentwood, Essex is 3.101 ppb.
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