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Current air quality index in Halstead, Essex today

Stay updated with real-time air quality in Halstead, 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)

23

Good

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Halstead, Essex

Last updated: ... (Local time)

Major air pollutants in Halstead, Essex

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

2.96 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

7.49 μg/m³

0

55

155

255

425

605+

Ozone (O3)

24.58 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.90 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

3.06 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.03 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

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Halstead, Essex

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Real-time air quality map: Monitor AQI near Halstead, Essex




How accurate is Essex, UK air quality data?

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.


Frequently asked questions

How frequently does the air quality data for Halstead, Essex get updated?

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Air quality updates for Halstead, Essex are available every hour.


What time in the past 24 hours saw the poorest air quality in Halstead, Essex?

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Halstead, Essex experienced its worst air quality at 04:00:00, 2025-06-05.


When was air quality in Halstead, Essex the best over the past 24 hours?

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The best air quality in Halstead, Essex was observed at 09:00:00 on 2025-06-06.


What is the air quality in Halstead, Essex right now?

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The air quality in Halstead, Essex right now is Good, with an AQI of 23.


What pollutant is most frequently found in Halstead, Essex?

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In Halstead, Essex, O3 is the most frequently found pollutant.


What can I do if the air quality in Halstead, Essex is poor?

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When air quality in Halstead, Essex is compromised, staying indoors and wearing a mask can reduce health risks.


What is the PM2.5 concentration in Halstead, Essex right now?

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Halstead, Essex currently has a PM2.5 concentration of 2.961 μg/m3.


What is the current level of PM10 in Halstead, Essex?

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Halstead, Essex currently has a PM10 concentration of 7.494 μg/m3.


What is the current level of carbon monoxide (CO) in Halstead, Essex?

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The current carbon monoxide (CO) level in Halstead, Essex is 0.027 ppm.


What is the current level of sulfur dioxide (SO2) in Halstead, Essex?

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The current sulfur dioxide (SO2) concentration in Halstead, Essex is 0.899 ppb.


What is the current level of ozone (O3) in Halstead, Essex?

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Halstead, Essex currently has an ozone (O3) concentration of 24.584 ppm.


What is the current level of nitrogen dioxide (NO2) in Halstead, Essex?

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The current level of nitrogen dioxide (NO2) in Halstead, Essex is 3.065 ppb.


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