Stay updated with real-time air quality in Rayleigh, 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)
36
Good
Rayleigh, Essex
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.42 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.21 μg/m³
0
55
155
255
425
605+
39.20 ppb
0
55
71
86
201
201+
0.73 ppb
0
36
76
186
605
1005+
3.21 ppb
0
54
101
361
1250
2050+
0.02 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Rayleigh, Essex
Rayleigh, Essex
Scroll To Air Quality MapLoading...
AQI 37
Good
5.57μg/m³
PM2.5
12.65μg/m³
PM10
39.50ppb
O3
0.71ppb
SO2
3.92ppb
NO2
0.02ppm
CO
AQI 36
Good
5.22μg/m³
PM2.5
11.63μg/m³
PM10
38.80ppb
O3
0.75ppb
SO2
2.18ppb
NO2
0.02ppm
CO
AQI 37
Good
5.96μg/m³
PM2.5
13.58μg/m³
PM10
39.54ppb
O3
0.80ppb
SO2
5.85ppb
NO2
0.02ppm
CO
AQI 37
Good
4.97μg/m³
PM2.5
13.40μg/m³
PM10
39.80ppb
O3
0.89ppb
SO2
4.69ppb
NO2
0.02ppm
CO
AQI 36
Good
5.11μg/m³
PM2.5
11.34μg/m³
PM10
38.66ppb
O3
0.76ppb
SO2
1.57ppb
NO2
0.02ppm
CO
AQI 37
Good
5.60μg/m³
PM2.5
12.71μg/m³
PM10
39.80ppb
O3
0.66ppb
SO2
3.93ppb
NO2
0.02ppm
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 Rayleigh, Essex is updated every hour for accuracy.
In the past 24 hours, the air quality in Rayleigh, Essex was at its worst at 05:00:00 on 2025-06-03.
In the last 24 hours, the best air quality in Rayleigh, Essex was observed at 01:00:00 on 2025-06-04.
As of now, the AQI in Rayleigh, Essex is 36, indicating Good conditions.
Rayleigh, Essex air has the highest levels of O3.
Poor air quality in Rayleigh, Essex means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Rayleigh, Essex are currently 5.421 μg/m3.
The PM10 concentration in Rayleigh, Essex is 12.21 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Rayleigh, Essex is 0.021 ppm.
Currently, Rayleigh, Essex has a sulfur dioxide (SO2) concentration of 0.73 ppb.
The current ozone (O3) level in Rayleigh, Essex at the moment is 39.195 ppm.
Nitrogen dioxide (NO2) level in Rayleigh, Essex at the moment is 3.205 ppb.
All Rights Reserved © Ambee Inc. 2025