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
6.74 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
32.59 μg/m³
0
55
155
255
425
605+
34.81 ppb
0
55
71
86
201
201+
0.84 ppb
0
36
76
186
605
1005+
3.68 ppb
0
54
101
361
1250
2050+
0.06 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Brentwood, Essex
Brentwood, Essex
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AQI 33
Good
6.46μg/m³
PM2.5
36.02μg/m³
PM10
34.95ppb
O3
0.67ppb
SO2
3.73ppb
NO2
0.07ppm
CO
AQI 31
Good
5.43μg/m³
PM2.5
14.35μg/m³
PM10
34.25ppb
O3
0.61ppb
SO2
3.96ppb
NO2
0.05ppm
CO
AQI 49
Good
9.47μg/m³
PM2.5
40.48μg/m³
PM10
35.96ppb
O3
0.64ppb
SO2
3.91ppb
NO2
0.07ppm
CO
AQI 54
Moderate
11.00μg/m³
PM2.5
49.00μg/m³
PM10
36.09ppb
O3
0.67ppb
SO2
3.78ppb
NO2
0.07ppm
CO
AQI 33
Good
5.65μg/m³
PM2.5
12.44μg/m³
PM10
33.91ppb
O3
0.48ppb
SO2
4.36ppb
NO2
0.06ppm
CO
AQI 49
Good
8.54μg/m³
PM2.5
32.83μg/m³
PM10
35.87ppb
O3
0.59ppb
SO2
3.67ppb
NO2
0.07ppm
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 05:00:00, 2026-03-17.
The best air quality in Brentwood, Essex was observed at 12:00:00 on 2026-03-17.
The air quality in Brentwood, Essex right now is Good, with an AQI of 38.
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 6.742 μg/m3.
Brentwood, Essex currently has a PM10 concentration of 32.59 μg/m3.
The current carbon monoxide (CO) level in Brentwood, Essex is 0.059 ppm.
The current sulfur dioxide (SO2) concentration in Brentwood, Essex is 0.837 ppb.
Brentwood, Essex currently has an ozone (O3) concentration of 34.806 ppm.
The current level of nitrogen dioxide (NO2) in Brentwood, Essex is 3.683 ppb.
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