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Live air quality index in Borehamwood, Hertfordshire today

Stay updated with real-time air quality in Borehamwood, Hertfordshire 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)

28

Good

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Borehamwood, Hertfordshire

Last updated: ... (Local time)

Major air pollutants in Borehamwood, Hertfordshire

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

3.04 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

6.44 μg/m³

0

55

155

255

425

605+

Ozone (O3)

29.67 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.56 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

2.10 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.15 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

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Borehamwood, Hertfordshire

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Borehamwood, Hertfordshire air quality map: Real-time AQI near you




How accurate is Hertfordshire, UK air quality data?

Air quality measurements for Hertfordshire, UK meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.


Frequently asked questions

How frequently is the air quality data for Borehamwood, Hertfordshire updated?

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Air quality data for Borehamwood, Hertfordshire is updated on an hourly basis.


When did Borehamwood, Hertfordshire experience the worst air quality in the last 24 hours?

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The worst air quality in Borehamwood, Hertfordshire was recorded at 11:00:00 on 2025-06-06.


When did Borehamwood, Hertfordshire have its best air quality in the last 24 hours?

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The best air quality in Borehamwood, Hertfordshire was recorded at 04:00:00 on 2025-06-06.


What is the real-time air quality index for Borehamwood, Hertfordshire?

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The real-time air quality index in Borehamwood, Hertfordshire is 28, currently categorized as Good.


Which pollutant is found most often in Borehamwood, Hertfordshire?

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The most common pollutant in Borehamwood, Hertfordshire is O3.


What can I do if the air quality in Borehamwood, Hertfordshire is poor?

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If the air quality in Borehamwood, Hertfordshire is poor, limit outdoor activities and use a mask to safeguard your health.


What are the current PM2.5 levels in Borehamwood, Hertfordshire?

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The measured PM2.5 levels in Borehamwood, Hertfordshire at present are 3.042 μg/m3.


What are the current PM10 levels at Borehamwood, Hertfordshire?

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The current PM10 levels in Borehamwood, Hertfordshire are 6.439 μg/m3.


What are the current carbon monoxide (CO) levels at Borehamwood, Hertfordshire?

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The current carbon monoxide (CO) level in Borehamwood, Hertfordshire is 0.146 ppm.


What are the current sulfur dioxide (SO2) levels at Borehamwood, Hertfordshire?

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The current sulfur dioxide (SO2) levels in Borehamwood, Hertfordshire are 0.559 ppb.


What are the current ozone (O3) levels at Borehamwood, Hertfordshire?

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The current ozone (O3) levels at Borehamwood, Hertfordshire is 29.672 ppm.


What are the current nitrogen dioxide (NO2) levels at Borehamwood, Hertfordshire?

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The current nitrogen dioxide (NO2) levels at Borehamwood, Hertfordshire is 2.102 ppb.


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