Stay updated with real-time air quality in Essex, UK 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)
49
Good
Essex, UK
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.74 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.52 μg/m³
0
55
155
255
425
605+
29.01 ppb
0
55
71
86
201
201+
0.59 ppb
0
36
76
186
605
1005+
5.25 ppb
0
54
101
361
1250
2050+
0.03 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Essex, UK
Essex, UK
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| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 44
Good
7.83μg/m³
PM2.5
15.48μg/m³
PM10
26.43ppb
O3
1.00ppb
SO2
6.14ppb
NO2
0.02ppm
CO
AQI 38
Good
7.29μg/m³
PM2.5
22.46μg/m³
PM10
30.78ppb
O3
0.81ppb
SO2
1.83ppb
NO2
0.03ppm
CO
AQI 58
Moderate
12.88μg/m³
PM2.5
51.26μg/m³
PM10
25.63ppb
O3
0.55ppb
SO2
9.33ppb
NO2
0.00ppm
CO
AQI 44
Good
7.94μg/m³
PM2.5
25.12μg/m³
PM10
29.13ppb
O3
0.52ppb
SO2
5.69ppb
NO2
0.01ppm
CO
AQI 38
Good
6.87μg/m³
PM2.5
17.26μg/m³
PM10
28.11ppb
O3
0.51ppb
SO2
2.04ppb
NO2
0.03ppm
CO
AQI 38
Good
7.15μg/m³
PM2.5
15.90μg/m³
PM10
28.47ppb
O3
0.67ppb
SO2
3.83ppb
NO2
0.05ppm
CO
Air quality and pollutant data for Essex, UK are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Essex, UK is updated every hour for accuracy.
In the past 24 hours, the air quality in Essex, UK was at its worst at 07:00:00 on 2025-12-07.
In the last 24 hours, the best air quality in Essex, UK was observed at 08:00:00 on 2025-12-06.
As of now, the AQI in Essex, UK is 44, indicating Good conditions.
Essex, UK air has the highest levels of PM2.5.
Poor air quality in Essex, UK means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Essex, UK are currently 8.452 μg/m3.
The PM10 concentration in Essex, UK is 23.193 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Essex, UK is 0.025 ppm.
Currently, Essex, UK has a sulfur dioxide (SO2) concentration of 0.681 ppb.
The current ozone (O3) level in Essex, UK at the moment is 28.57 ppm.
Nitrogen dioxide (NO2) level in Essex, UK at the moment is 5.382 ppb.
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