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Real-time air quality index in Rayleigh, Essex today

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

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Rayleigh, Essex

Last updated: ... (Local time)

Major air pollutants in Rayleigh, Essex

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

5.42 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

12.21 μg/m³

0

55

155

255

425

605+

Ozone (O3)

39.20 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.73 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

3.21 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.02 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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Rayleigh, Essex

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Rayleigh, Essex air quality map: Stay updated on AQI near you




How accurate is Essex, UK air quality data?

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.


Frequently asked questions

How often is air quality information updated for Rayleigh, Essex?

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The air quality information for Rayleigh, Essex is updated every hour for accuracy.


What time in the last 24 hours was the air quality in Rayleigh, Essex at its worst?

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In the past 24 hours, the air quality in Rayleigh, Essex was at its worst at 05:00:00 on 2025-06-03.


When did Rayleigh, Essex experience the best air quality in the last 24 hours?

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In the last 24 hours, the best air quality in Rayleigh, Essex was observed at 01:00:00 on 2025-06-04.


What is the AQI in Rayleigh, Essex right now?

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As of now, the AQI in Rayleigh, Essex is 36, indicating Good conditions.


What is the most common type of pollution in Rayleigh, Essex?

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Rayleigh, Essex air has the highest levels of O3.


What should I do in case of poor air quality in Rayleigh, Essex?

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Poor air quality in Rayleigh, Essex means it's advisable to stay indoors and wear a mask for your protection.


What is the PM2.5 level in Rayleigh, Essex at the moment?

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PM2.5 levels in Rayleigh, Essex are currently 5.421 μg/m3.


What is the PM10 level in Rayleigh, Essex at the moment?

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The PM10 concentration in Rayleigh, Essex is 12.21 μg/m3 at the moment.


What is the carbon monoxide (CO) level in Rayleigh, Essex at the moment?

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The current carbon monoxide (CO) concentration in Rayleigh, Essex is 0.021 ppm.


What is the sulfur dioxide (SO2) level in Rayleigh, Essex at the moment?

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Currently, Rayleigh, Essex has a sulfur dioxide (SO2) concentration of 0.73 ppb.


What is the ozone (O3) level in Rayleigh, Essex at the moment?

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The current ozone (O3) level in Rayleigh, Essex at the moment is 39.195 ppm.


What is the nitrogen dioxide (NO2) level in Rayleigh, Essex at the moment?

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Nitrogen dioxide (NO2) level in Rayleigh, Essex at the moment is 3.205 ppb.


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