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)
54
Moderate
Brentwood, Essex
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.90 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.22 μg/m³
0
55
155
255
425
605+
56.04 ppb
0
55
71
86
201
201+
0.71 ppb
0
36
76
186
605
1005+
5.03 ppb
0
54
101
361
1250
2050+
0.02 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Brentwood, Essex
Brentwood, Essex
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AQI 48
Good
7.33μg/m³
PM2.5
22.59μg/m³
PM10
51.57ppb
O3
0.83ppb
SO2
6.78ppb
NO2
0.02ppm
CO
AQI 49
Good
8.30μg/m³
PM2.5
24.62μg/m³
PM10
52.83ppb
O3
0.99ppb
SO2
16.13ppb
NO2
0.02ppm
CO
AQI 67
Moderate
16.95μg/m³
PM2.5
28.55μg/m³
PM10
60.06ppb
O3
0.89ppb
SO2
15.01ppb
NO2
0.02ppm
CO
AQI 75
Moderate
22.00μg/m³
PM2.5
29.00μg/m³
PM10
59.92ppb
O3
0.89ppb
SO2
28.56ppb
NO2
0.02ppm
CO
AQI 49
Good
9.15μg/m³
PM2.5
24.96μg/m³
PM10
51.57ppb
O3
1.08ppb
SO2
11.20ppb
NO2
0.02ppm
CO
AQI 74
Moderate
14.75μg/m³
PM2.5
28.05μg/m³
PM10
62.34ppb
O3
0.85ppb
SO2
12.89ppb
NO2
0.02ppm
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 06:00:00, 2026-08-13.
The best air quality in Brentwood, Essex was observed at 04:00:00 on 2026-08-14.
The air quality in Brentwood, Essex right now is Moderate, with an AQI of 54.
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 9.899 μg/m3.
Brentwood, Essex currently has a PM10 concentration of 22.224 μg/m3.
The current carbon monoxide (CO) level in Brentwood, Essex is 0.019 ppm.
The current sulfur dioxide (SO2) concentration in Brentwood, Essex is 0.713 ppb.
Brentwood, Essex currently has an ozone (O3) concentration of 56.037 ppm.
The current level of nitrogen dioxide (NO2) in Brentwood, Essex is 5.03 ppb.
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