What is the sulfur dioxide (SO2) level in Berkhamsted, Hertfordshire at the moment?

Currently, Berkhamsted, Hertfordshire has a sulfur dioxide (SO2) concentration of 0.343 ppb.

What is the ozone (O3) level in Berkhamsted, Hertfordshire at the moment?

The current ozone (O3) level in Berkhamsted, Hertfordshire at the moment is 27.677 ppm.

What is the nitrogen dioxide (NO2) level in Berkhamsted, Hertfordshire at the moment?

Nitrogen dioxide (NO2) level in Berkhamsted, Hertfordshire at the moment is 2.956 ppb.

Live air quality index in Berkhamsted, Hertfordshire today

Q: What is the PM2.5 level in Berkhamsted, Hertfordshire at the moment?

PM2.5 levels in Berkhamsted, Hertfordshire are currently 2.967 μg/m3.

Q: What is the PM10 level in Berkhamsted, Hertfordshire at the moment?

The PM10 concentration in Berkhamsted, Hertfordshire is 8.659 μg/m3 at the moment.

Stay updated with real-time air quality in Berkhamsted, Hertfordshire featuring accurate data on AQI, PM_2.5, 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)

Good

Berkhamsted, Hertfordshire

Last updated: ... (Local time)

Major air pollutants in Berkhamsted, Hertfordshire

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

3.08 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

6.08 μg/m³

155

255

425

605+

Ozone (O₃)

26.67 ppb

201

201+

Sulfur Dioxide (SO₂)

0.34 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.03 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.02 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Berkhamsted, Hertfordshire

Get Live Pollen Counts

Berkhamsted, Hertfordshire

Scroll To Air Quality Map

Track live Berkhamsted, Hertfordshire air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-27T00:00:00.000Z	52 \| moderate	9.71 \| good	25.807 \| good	18.249 \| good	0.462 \| good	8.131 \| good	0.305 \| good
2025-12-27T01:00:00.000Z	56 \| moderate	11.591 \| good	22.671 \| good	18.306 \| good	0.382 \| good	6.423 \| good	0.574 \| good
2025-12-27T02:00:00.000Z	54 \| moderate	11.212 \| good	23.115 \| good	18.294 \| good	0.382 \| good	4.395 \| good	0.228 \| good
2025-12-27T03:00:00.000Z	56 \| moderate	11.535 \| good	22.75 \| good	16.879 \| good	0.486 \| good	7.305 \| good	0.241 \| good
2025-12-27T04:00:00.000Z	54 \| moderate	11.39 \| good	21.532 \| good	18.774 \| good	0.382 \| good	9.432 \| good	0.188 \| good
2025-12-27T05:00:00.000Z	54 \| moderate	11.099 \| good	21.057 \| good	19.287 \| good	0.469 \| good	9.833 \| good	0.169 \| good
2025-12-27T06:00:00.000Z	54 \| moderate	11.246 \| good	21.331 \| good	18.433 \| good	0.304 \| good	5.038 \| good	0.006 \| good
2025-12-27T07:00:00.000Z	56 \| moderate	12.002 \| good	21.668 \| good	18.656 \| good	0.304 \| good	5.055 \| good	0.009 \| good
2025-12-27T08:00:00.000Z	52 \| moderate	9.885 \| good	26.47 \| good	26.12 \| good	0.301 \| good	2.679 \| good	0.011 \| good
2025-12-27T09:00:00.000Z	52 \| moderate	9.596 \| good	25.159 \| good	25.247 \| good	0.302 \| good	5.947 \| good	0.009 \| good
2025-12-27T10:00:00.000Z	49 \| good	9.322 \| good	27.712 \| good	26.436 \| good	0.3 \| good	6.945 \| good	0.007 \| good
2025-12-27T11:00:00.000Z	52 \| moderate	10.195 \| good	23.977 \| good	23.379 \| good	0.305 \| good	5.777 \| good	0.008 \| good
2025-12-27T12:00:00.000Z	49 \| good	9.221 \| good	17.059 \| good	19.381 \| good	0.296 \| good	8.076 \| good	0.008 \| good
2025-12-27T13:00:00.000Z	52 \| moderate	10.291 \| good	29.12 \| good	19.472 \| good	0.296 \| good	7.657 \| good	0.008 \| good
2025-12-27T14:00:00.000Z	52 \| moderate	9.899 \| good	24.665 \| good	25.658 \| good	0.294 \| good	4.902 \| good	0.011 \| good
2025-12-27T15:00:00.000Z	54 \| moderate	10.796 \| good	27.893 \| good	26.333 \| good	0.304 \| good	5.565 \| good	0.012 \| good
2025-12-27T16:00:00.000Z	54 \| moderate	10.759 \| good	28.46 \| good	21.417 \| good	0.375 \| good	6.911 \| good	0.015 \| good
2025-12-27T17:00:00.000Z	49 \| good	9.409 \| good	25.701 \| good	33.019 \| good	0.304 \| good	4.263 \| good	0.022 \| good
2025-12-27T18:00:00.000Z	52 \| moderate	9.941 \| good	14.344 \| good	23.137 \| good	0.304 \| good	4.359 \| good	0.029 \| good
2025-12-27T19:00:00.000Z	52 \| moderate	9.807 \| good	20.261 \| good	27.1 \| good	0.305 \| good	4.516 \| good	0.042 \| good
2025-12-27T20:00:00.000Z	49 \| good	9.165 \| good	19.59 \| good	30.344 \| good	0.299 \| good	5.195 \| good	0.057 \| good
2025-12-27T21:00:00.000Z	44 \| good	7.62 \| good	15.539 \| good	23.577 \| good	0.378 \| good	4.171 \| good	0.043 \| good
2025-12-27T22:00:00.000Z	44 \| good	8.226 \| good	14.776 \| good	27.45 \| good	0.298 \| good	4.477 \| good	0.05 \| good
2025-12-27T23:00:00.000Z	44 \| good	7.795 \| good	28.525 \| good	29.906 \| good	0.377 \| good	6.466 \| good	0.038 \| good
2025-12-28T00:00:00.000Z	30 \| good	5.213 \| good	15.668 \| good	32.364 \| good	0.515 \| good	3.962 \| good	1.101 \| good
2025-12-28T01:00:00.000Z	29 \| good	5.333 \| good	11.706 \| good	30.644 \| good	0.586 \| good	2.408 \| good	1.078 \| good
2025-12-28T02:00:00.000Z	31 \| good	5.177 \| good	10.871 \| good	32.675 \| good	0.382 \| good	7.09 \| good	1.233 \| good
2025-12-28T03:00:00.000Z	31 \| good	5.032 \| good	9.635 \| good	33.947 \| good	0.542 \| good	7.134 \| good	0.638 \| good
2025-12-28T04:00:00.000Z	30 \| good	3.039 \| good	10.06 \| good	31.682 \| good	0.542 \| good	7.227 \| good	0.677 \| good
2025-12-28T05:00:00.000Z	29 \| good	5.447 \| good	11.674 \| good	31.081 \| good	0.542 \| good	7.166 \| good	0.432 \| good
2025-12-28T06:00:00.000Z	31 \| good	4.337 \| good	13.92 \| good	33.6 \| good	0.338 \| good	1.941 \| good	0.012 \| good
2025-12-28T07:00:00.000Z	31 \| good	4.534 \| good	15.641 \| good	33.54 \| good	0.339 \| good	1.726 \| good	0.015 \| good
2025-12-28T08:00:00.000Z	26 \| good	2.301 \| good	7.22 \| good	27.586 \| good	0.152 \| good	1.638 \| good	0.021 \| good
2025-12-28T09:00:00.000Z	25 \| good	2.1 \| good	7.625 \| good	27.474 \| good	0.2 \| good	1.769 \| good	0.022 \| good
2025-12-28T10:00:00.000Z	27 \| good	2.12 \| good	6.6 \| good	29.386 \| good	0.198 \| good	1.669 \| good	0.011 \| good
2025-12-28T11:00:00.000Z	29 \| good	2.12 \| good	8.4 \| good	31.082 \| good	0.188 \| good	1.671 \| good	0.006 \| good
2025-12-28T12:00:00.000Z	27 \| good	3.658 \| good	8.867 \| good	28.681 \| good	0.186 \| good	2.032 \| good	0.006 \| good
2025-12-28T13:00:00.000Z	27 \| good	2.36 \| good	8.882 \| good	28.758 \| good	0.149 \| good	7.288 \| good	0.006 \| good
2025-12-28T14:00:00.000Z	28 \| good	3.038 \| good	9.456 \| good	30.046 \| good	0.149 \| good	2.045 \| good	0.006 \| good
2025-12-28T15:00:00.000Z	27 \| good	3.341 \| good	7.861 \| good	29.291 \| good	0.149 \| good	1.692 \| good	0.007 \| good
2025-12-28T16:00:00.000Z	26 \| good	3.785 \| good	11 \| good	27.703 \| good	0.149 \| good	1.657 \| good	0.008 \| good
2025-12-28T17:00:00.000Z	26 \| good	3.711 \| good	6.592 \| good	27.58 \| good	0.15 \| good	1.61 \| good	0.008 \| good
2025-12-28T18:00:00.000Z	28 \| good	3.549 \| good	6.08 \| good	30.13 \| good	0.153 \| good	1.606 \| good	0.009 \| good
2025-12-28T19:00:00.000Z	25 \| good	2.93 \| good	8.819 \| good	27.19 \| good	0.342 \| good	2.331 \| good	0.029 \| good
2025-12-28T20:00:00.000Z	26 \| good	2.979 \| good	8.68 \| good	27.576 \| good	0.343 \| good	2.128 \| good	0.03 \| good
2025-12-28T21:00:00.000Z	27 \| good	5.453 \| good	6.08 \| good	27.265 \| good	0.343 \| good	2.262 \| good	0.029 \| good
2025-12-28T22:00:00.000Z	24 \| good	3.061 \| good	6.08 \| good	25.927 \| good	0.343 \| good	2.686 \| good	0.026 \| good
2025-12-28T23:00:00.000Z	25 \| good	3.075 \| good	6.08 \| good	26.669 \| good	0.343 \| good	3.03 \| good	0.022 \| good
2025-12-28T22:00:00.000Z	33 \| good	5.934 \| good	15.129 \| good	27.578 \| good	0.36 \| good	4.931 \| good	0.131 \| good
2025-12-28T23:00:00.000Z	33 \| good	6.493 \| good	13.421 \| good	26.471 \| good	0.335 \| good	5.368 \| good	0.13 \| good
2025-12-29T00:00:00.000Z	33 \| good	6.098 \| good	14.351 \| good	26.93 \| good	0.301 \| good	4.516 \| good	0.128 \| good
2025-12-29T01:00:00.000Z	33 \| good	5.951 \| good	12.47 \| good	27.716 \| good	0.275 \| good	3.805 \| good	0.128 \| good
2025-12-29T02:00:00.000Z	27 \| good	5.438 \| good	11.909 \| good	28.804 \| good	0.256 \| good	3.009 \| good	0.127 \| good
2025-12-29T03:00:00.000Z	28 \| good	4.765 \| good	11.585 \| good	29.901 \| good	0.242 \| good	2.385 \| good	0.124 \| good
2025-12-29T04:00:00.000Z	29 \| good	4.195 \| good	10.053 \| good	30.59 \| good	0.235 \| good	1.949 \| good	0.121 \| good
2025-12-29T05:00:00.000Z	28 \| good	3.945 \| good	9.3 \| good	30.384 \| good	0.226 \| good	1.992 \| good	0.12 \| good
2025-12-29T06:00:00.000Z	28 \| good	3.921 \| good	8.91 \| good	29.863 \| good	0.24 \| good	2.413 \| good	0.121 \| good
2025-12-29T07:00:00.000Z	27 \| good	3.881 \| good	8.786 \| good	29.434 \| good	0.33 \| good	3.579 \| good	0.123 \| good
2025-12-29T08:00:00.000Z	25 \| good	4.082 \| good	8.845 \| good	27.306 \| good	0.44 \| good	5.492 \| good	0.127 \| good
2025-12-29T09:00:00.000Z	23 \| good	4.267 \| good	8.893 \| good	25.28 \| good	0.505 \| good	7.304 \| good	0.131 \| good
2025-12-29T10:00:00.000Z	24 \| good	3.962 \| good	9.175 \| good	25.607 \| good	0.569 \| good	7.266 \| good	0.131 \| good
2025-12-29T11:00:00.000Z	25 \| good	3.717 \| good	9.675 \| good	26.786 \| good	0.554 \| good	6.191 \| good	0.13 \| good
2025-12-29T12:00:00.000Z	27 \| good	3.42 \| good	7.959 \| good	28.759 \| good	0.443 \| good	5.103 \| good	0.125 \| good
2025-12-29T13:00:00.000Z	28 \| good	3.093 \| good	7.266 \| good	30.474 \| good	0.371 \| good	4.319 \| good	0.124 \| good
2025-12-29T14:00:00.000Z	29 \| good	2.836 \| good	7.453 \| good	31.026 \| good	0.377 \| good	4.313 \| good	0.124 \| good
2025-12-29T15:00:00.000Z	30 \| good	2.839 \| good	8.573 \| good	31.72 \| good	0.399 \| good	4.206 \| good	0.125 \| good
2025-12-29T16:00:00.000Z	29 \| good	3.145 \| good	9.528 \| good	31.064 \| good	0.353 \| good	4.895 \| good	0.126 \| good
2025-12-29T17:00:00.000Z	28 \| good	3.993 \| good	10.703 \| good	29.683 \| good	0.44 \| good	5.47 \| good	0.128 \| good
2025-12-29T18:00:00.000Z	27 \| good	5.006 \| good	11.174 \| good	27.536 \| good	0.502 \| good	6.079 \| good	0.134 \| good
2025-12-29T19:00:00.000Z	33 \| good	6.033 \| good	11.681 \| good	23.276 \| good	0.625 \| good	6.758 \| good	0.138 \| good
2025-12-29T20:00:00.000Z	38 \| good	6.712 \| good	12.127 \| good	22.365 \| good	0.586 \| good	6.033 \| good	0.14 \| good
2025-12-29T21:00:00.000Z	38 \| good	7.342 \| good	12.403 \| good	23.177 \| good	0.625 \| good	5.433 \| good	0.14 \| good
2025-12-29T22:00:00.000Z	44 \| good	7.916 \| good	11.218 \| good	25.913 \| good	0.635 \| good	4.971 \| good	0.14 \| good
2025-12-29T23:00:00.000Z	44 \| good	7.575 \| good	10.611 \| good	26.78 \| good	0.578 \| good	4.49 \| good	0.135 \| good
2025-12-30T00:00:00.000Z	33 \| good	5.781 \| good	10.429 \| good	27.754 \| good	0.387 \| good	3.471 \| good	0.131 \| good
2025-12-30T01:00:00.000Z	27 \| good	4.946 \| good	9.794 \| good	29.091 \| good	0.224 \| good	2.759 \| good	0.127 \| good
2025-12-30T02:00:00.000Z	29 \| good	4.002 \| good	9.78 \| good	30.976 \| good	0.215 \| good	1.962 \| good	0.123 \| good
2025-12-30T03:00:00.000Z	30 \| good	3.389 \| good	10.115 \| good	31.923 \| good	0.187 \| good	1.385 \| good	0.122 \| good
2025-12-30T04:00:00.000Z	30 \| good	3.189 \| good	10.677 \| good	32.146 \| good	0.19 \| good	1.208 \| good	0.122 \| good
2025-12-30T05:00:00.000Z	30 \| good	3.383 \| good	11.402 \| good	32.117 \| good	0.201 \| good	1.342 \| good	0.122 \| good
2025-12-30T06:00:00.000Z	30 \| good	3.971 \| good	11.248 \| good	32.095 \| good	0.269 \| good	1.588 \| good	0.122 \| good
2025-12-30T07:00:00.000Z	31 \| good	3.683 \| good	10.77 \| good	33.4 \| good	0.334 \| good	2.461 \| good	0.123 \| good
2025-12-30T08:00:00.000Z	31 \| good	3.62 \| good	10.642 \| good	32.75 \| good	0.475 \| good	4.089 \| good	0.127 \| good
2025-12-30T09:00:00.000Z	31 \| good	3.853 \| good	10.901 \| good	32.741 \| good	0.583 \| good	5.58 \| good	0.13 \| good
2025-12-30T10:00:00.000Z	31 \| good	4.066 \| good	11.067 \| good	32.91 \| good	0.588 \| good	5.674 \| good	0.132 \| good
2025-12-30T11:00:00.000Z	31 \| good	4.161 \| good	10.899 \| good	32.842 \| good	0.578 \| good	5.226 \| good	0.133 \| good
2025-12-30T12:00:00.000Z	31 \| good	4.086 \| good	10.052 \| good	33.375 \| good	0.574 \| good	4.648 \| good	0.132 \| good
2025-12-30T13:00:00.000Z	31 \| good	3.829 \| good	10.189 \| good	33.692 \| good	0.558 \| good	4.061 \| good	0.131 \| good
2025-12-30T14:00:00.000Z	31 \| good	4.006 \| good	10.419 \| good	33.673 \| good	0.61 \| good	4.291 \| good	0.133 \| good
2025-12-30T15:00:00.000Z	31 \| good	4.294 \| good	9.847 \| good	33.373 \| good	0.573 \| good	4.863 \| good	0.135 \| good
2025-12-30T16:00:00.000Z	28 \| good	4.485 \| good	9.918 \| good	30.091 \| good	0.58 \| good	5.987 \| good	0.137 \| good
2025-12-30T17:00:00.000Z	27 \| good	4.966 \| good	13.259 \| good	27.166 \| good	0.601 \| good	7.063 \| good	0.142 \| good
2025-12-30T18:00:00.000Z	33 \| good	5.797 \| good	15.191 \| good	25.839 \| good	0.655 \| good	7.596 \| good	0.148 \| good
2025-12-30T19:00:00.000Z	33 \| good	6.387 \| good	16.403 \| good	24.837 \| good	0.737 \| good	8.616 \| good	0.157 \| good
2025-12-30T20:00:00.000Z	44 \| good	7.879 \| good	18.374 \| good	22.47 \| good	0.844 \| good	9.298 \| good	0.17 \| good
2025-12-30T21:00:00.000Z	49 \| good	9.171 \| good	19.03 \| good	20.575 \| good	0.858 \| good	9.28 \| good	0.175 \| good

Berkhamsted

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Berkhamsted, Hertfordshire air quality map: Stay updated on AQI near you

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How accurate is Hertfordshire, UK air quality data?

Air quality and pollutant data for Hertfordshire, 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

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Frequently asked questions

How often is air quality information updated for Berkhamsted, Hertfordshire?

The air quality information for Berkhamsted, Hertfordshire is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Berkhamsted, Hertfordshire at its worst?

In the past 24 hours, the air quality in Berkhamsted, Hertfordshire was at its worst at 11:00:00 on 2025-12-27.

When did Berkhamsted, Hertfordshire experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Berkhamsted, Hertfordshire was observed at 07:00:00 on 2025-12-28.

What is the AQI in Berkhamsted, Hertfordshire right now?

As of now, the AQI in Berkhamsted, Hertfordshire is 26, indicating Good conditions.

What is the most common type of pollution in Berkhamsted, Hertfordshire?

Berkhamsted, Hertfordshire air has the highest levels of O3.

What should I do in case of poor air quality in Berkhamsted, Hertfordshire?

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

What is the PM_2.5 level in Berkhamsted, Hertfordshire at the moment?

PM_2.5 levels in Berkhamsted, Hertfordshire are currently 2.967 μg/m³.

What is the PM₁₀ level in Berkhamsted, Hertfordshire at the moment?

The PM₁₀ concentration in Berkhamsted, Hertfordshire is 8.659 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Berkhamsted, Hertfordshire at the moment?

The current carbon monoxide (CO) concentration in Berkhamsted, Hertfordshire is 0.025 ppm.

What is the sulfur dioxide (SO₂) level in Berkhamsted, Hertfordshire at the moment?

Currently, Berkhamsted, Hertfordshire has a sulfur dioxide (SO₂) concentration of 0.343 ppb.

What is the ozone (O₃) level in Berkhamsted, Hertfordshire at the moment?

The current ozone (O₃) level in Berkhamsted, Hertfordshire at the moment is 27.677 ppm.

What is the nitrogen dioxide (NO₂) level in Berkhamsted, Hertfordshire at the moment?

Nitrogen dioxide (NO₂) level in Berkhamsted, Hertfordshire at the moment is 2.956 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-27T00:00:00.000Z	52 \| moderate	9.71 \| good	25.807 \| good	18.249 \| good	0.462 \| good	8.131 \| good	0.305 \| good
2025-12-27T01:00:00.000Z	56 \| moderate	11.591 \| good	22.671 \| good	18.306 \| good	0.382 \| good	6.423 \| good	0.574 \| good
2025-12-27T02:00:00.000Z	54 \| moderate	11.212 \| good	23.115 \| good	18.294 \| good	0.382 \| good	4.395 \| good	0.228 \| good
2025-12-27T03:00:00.000Z	56 \| moderate	11.535 \| good	22.75 \| good	16.879 \| good	0.486 \| good	7.305 \| good	0.241 \| good
2025-12-27T04:00:00.000Z	54 \| moderate	11.39 \| good	21.532 \| good	18.774 \| good	0.382 \| good	9.432 \| good	0.188 \| good
2025-12-27T05:00:00.000Z	54 \| moderate	11.099 \| good	21.057 \| good	19.287 \| good	0.469 \| good	9.833 \| good	0.169 \| good
2025-12-27T06:00:00.000Z	54 \| moderate	11.246 \| good	21.331 \| good	18.433 \| good	0.304 \| good	5.038 \| good	0.006 \| good
2025-12-27T07:00:00.000Z	56 \| moderate	12.002 \| good	21.668 \| good	18.656 \| good	0.304 \| good	5.055 \| good	0.009 \| good
2025-12-27T08:00:00.000Z	52 \| moderate	9.885 \| good	26.47 \| good	26.12 \| good	0.301 \| good	2.679 \| good	0.011 \| good
2025-12-27T09:00:00.000Z	52 \| moderate	9.596 \| good	25.159 \| good	25.247 \| good	0.302 \| good	5.947 \| good	0.009 \| good
2025-12-27T10:00:00.000Z	49 \| good	9.322 \| good	27.712 \| good	26.436 \| good	0.3 \| good	6.945 \| good	0.007 \| good
2025-12-27T11:00:00.000Z	52 \| moderate	10.195 \| good	23.977 \| good	23.379 \| good	0.305 \| good	5.777 \| good	0.008 \| good
2025-12-27T12:00:00.000Z	49 \| good	9.221 \| good	17.059 \| good	19.381 \| good	0.296 \| good	8.076 \| good	0.008 \| good
2025-12-27T13:00:00.000Z	52 \| moderate	10.291 \| good	29.12 \| good	19.472 \| good	0.296 \| good	7.657 \| good	0.008 \| good
2025-12-27T14:00:00.000Z	52 \| moderate	9.899 \| good	24.665 \| good	25.658 \| good	0.294 \| good	4.902 \| good	0.011 \| good
2025-12-27T15:00:00.000Z	54 \| moderate	10.796 \| good	27.893 \| good	26.333 \| good	0.304 \| good	5.565 \| good	0.012 \| good
2025-12-27T16:00:00.000Z	54 \| moderate	10.759 \| good	28.46 \| good	21.417 \| good	0.375 \| good	6.911 \| good	0.015 \| good
2025-12-27T17:00:00.000Z	49 \| good	9.409 \| good	25.701 \| good	33.019 \| good	0.304 \| good	4.263 \| good	0.022 \| good
2025-12-27T18:00:00.000Z	52 \| moderate	9.941 \| good	14.344 \| good	23.137 \| good	0.304 \| good	4.359 \| good	0.029 \| good
2025-12-27T19:00:00.000Z	52 \| moderate	9.807 \| good	20.261 \| good	27.1 \| good	0.305 \| good	4.516 \| good	0.042 \| good
2025-12-27T20:00:00.000Z	49 \| good	9.165 \| good	19.59 \| good	30.344 \| good	0.299 \| good	5.195 \| good	0.057 \| good
2025-12-27T21:00:00.000Z	44 \| good	7.62 \| good	15.539 \| good	23.577 \| good	0.378 \| good	4.171 \| good	0.043 \| good
2025-12-27T22:00:00.000Z	44 \| good	8.226 \| good	14.776 \| good	27.45 \| good	0.298 \| good	4.477 \| good	0.05 \| good
2025-12-27T23:00:00.000Z	44 \| good	7.795 \| good	28.525 \| good	29.906 \| good	0.377 \| good	6.466 \| good	0.038 \| good
2025-12-28T00:00:00.000Z	30 \| good	5.213 \| good	15.668 \| good	32.364 \| good	0.515 \| good	3.962 \| good	1.101 \| good
2025-12-28T01:00:00.000Z	29 \| good	5.333 \| good	11.706 \| good	30.644 \| good	0.586 \| good	2.408 \| good	1.078 \| good
2025-12-28T02:00:00.000Z	31 \| good	5.177 \| good	10.871 \| good	32.675 \| good	0.382 \| good	7.09 \| good	1.233 \| good
2025-12-28T03:00:00.000Z	31 \| good	5.032 \| good	9.635 \| good	33.947 \| good	0.542 \| good	7.134 \| good	0.638 \| good
2025-12-28T04:00:00.000Z	30 \| good	3.039 \| good	10.06 \| good	31.682 \| good	0.542 \| good	7.227 \| good	0.677 \| good
2025-12-28T05:00:00.000Z	29 \| good	5.447 \| good	11.674 \| good	31.081 \| good	0.542 \| good	7.166 \| good	0.432 \| good
2025-12-28T06:00:00.000Z	31 \| good	4.337 \| good	13.92 \| good	33.6 \| good	0.338 \| good	1.941 \| good	0.012 \| good
2025-12-28T07:00:00.000Z	31 \| good	4.534 \| good	15.641 \| good	33.54 \| good	0.339 \| good	1.726 \| good	0.015 \| good
2025-12-28T08:00:00.000Z	26 \| good	2.301 \| good	7.22 \| good	27.586 \| good	0.152 \| good	1.638 \| good	0.021 \| good
2025-12-28T09:00:00.000Z	25 \| good	2.1 \| good	7.625 \| good	27.474 \| good	0.2 \| good	1.769 \| good	0.022 \| good
2025-12-28T10:00:00.000Z	27 \| good	2.12 \| good	6.6 \| good	29.386 \| good	0.198 \| good	1.669 \| good	0.011 \| good
2025-12-28T11:00:00.000Z	29 \| good	2.12 \| good	8.4 \| good	31.082 \| good	0.188 \| good	1.671 \| good	0.006 \| good
2025-12-28T12:00:00.000Z	27 \| good	3.658 \| good	8.867 \| good	28.681 \| good	0.186 \| good	2.032 \| good	0.006 \| good
2025-12-28T13:00:00.000Z	27 \| good	2.36 \| good	8.882 \| good	28.758 \| good	0.149 \| good	7.288 \| good	0.006 \| good
2025-12-28T14:00:00.000Z	28 \| good	3.038 \| good	9.456 \| good	30.046 \| good	0.149 \| good	2.045 \| good	0.006 \| good
2025-12-28T15:00:00.000Z	27 \| good	3.341 \| good	7.861 \| good	29.291 \| good	0.149 \| good	1.692 \| good	0.007 \| good
2025-12-28T16:00:00.000Z	26 \| good	3.785 \| good	11 \| good	27.703 \| good	0.149 \| good	1.657 \| good	0.008 \| good
2025-12-28T17:00:00.000Z	26 \| good	3.711 \| good	6.592 \| good	27.58 \| good	0.15 \| good	1.61 \| good	0.008 \| good
2025-12-28T18:00:00.000Z	28 \| good	3.549 \| good	6.08 \| good	30.13 \| good	0.153 \| good	1.606 \| good	0.009 \| good
2025-12-28T19:00:00.000Z	25 \| good	2.93 \| good	8.819 \| good	27.19 \| good	0.342 \| good	2.331 \| good	0.029 \| good
2025-12-28T20:00:00.000Z	26 \| good	2.979 \| good	8.68 \| good	27.576 \| good	0.343 \| good	2.128 \| good	0.03 \| good
2025-12-28T21:00:00.000Z	27 \| good	5.453 \| good	6.08 \| good	27.265 \| good	0.343 \| good	2.262 \| good	0.029 \| good
2025-12-28T22:00:00.000Z	24 \| good	3.061 \| good	6.08 \| good	25.927 \| good	0.343 \| good	2.686 \| good	0.026 \| good
2025-12-28T23:00:00.000Z	25 \| good	3.075 \| good	6.08 \| good	26.669 \| good	0.343 \| good	3.03 \| good	0.022 \| good
2025-12-28T22:00:00.000Z	33 \| good	5.934 \| good	15.129 \| good	27.578 \| good	0.36 \| good	4.931 \| good	0.131 \| good
2025-12-28T23:00:00.000Z	33 \| good	6.493 \| good	13.421 \| good	26.471 \| good	0.335 \| good	5.368 \| good	0.13 \| good
2025-12-29T00:00:00.000Z	33 \| good	6.098 \| good	14.351 \| good	26.93 \| good	0.301 \| good	4.516 \| good	0.128 \| good
2025-12-29T01:00:00.000Z	33 \| good	5.951 \| good	12.47 \| good	27.716 \| good	0.275 \| good	3.805 \| good	0.128 \| good
2025-12-29T02:00:00.000Z	27 \| good	5.438 \| good	11.909 \| good	28.804 \| good	0.256 \| good	3.009 \| good	0.127 \| good
2025-12-29T03:00:00.000Z	28 \| good	4.765 \| good	11.585 \| good	29.901 \| good	0.242 \| good	2.385 \| good	0.124 \| good
2025-12-29T04:00:00.000Z	29 \| good	4.195 \| good	10.053 \| good	30.59 \| good	0.235 \| good	1.949 \| good	0.121 \| good
2025-12-29T05:00:00.000Z	28 \| good	3.945 \| good	9.3 \| good	30.384 \| good	0.226 \| good	1.992 \| good	0.12 \| good
2025-12-29T06:00:00.000Z	28 \| good	3.921 \| good	8.91 \| good	29.863 \| good	0.24 \| good	2.413 \| good	0.121 \| good
2025-12-29T07:00:00.000Z	27 \| good	3.881 \| good	8.786 \| good	29.434 \| good	0.33 \| good	3.579 \| good	0.123 \| good
2025-12-29T08:00:00.000Z	25 \| good	4.082 \| good	8.845 \| good	27.306 \| good	0.44 \| good	5.492 \| good	0.127 \| good
2025-12-29T09:00:00.000Z	23 \| good	4.267 \| good	8.893 \| good	25.28 \| good	0.505 \| good	7.304 \| good	0.131 \| good
2025-12-29T10:00:00.000Z	24 \| good	3.962 \| good	9.175 \| good	25.607 \| good	0.569 \| good	7.266 \| good	0.131 \| good
2025-12-29T11:00:00.000Z	25 \| good	3.717 \| good	9.675 \| good	26.786 \| good	0.554 \| good	6.191 \| good	0.13 \| good
2025-12-29T12:00:00.000Z	27 \| good	3.42 \| good	7.959 \| good	28.759 \| good	0.443 \| good	5.103 \| good	0.125 \| good
2025-12-29T13:00:00.000Z	28 \| good	3.093 \| good	7.266 \| good	30.474 \| good	0.371 \| good	4.319 \| good	0.124 \| good
2025-12-29T14:00:00.000Z	29 \| good	2.836 \| good	7.453 \| good	31.026 \| good	0.377 \| good	4.313 \| good	0.124 \| good
2025-12-29T15:00:00.000Z	30 \| good	2.839 \| good	8.573 \| good	31.72 \| good	0.399 \| good	4.206 \| good	0.125 \| good
2025-12-29T16:00:00.000Z	29 \| good	3.145 \| good	9.528 \| good	31.064 \| good	0.353 \| good	4.895 \| good	0.126 \| good
2025-12-29T17:00:00.000Z	28 \| good	3.993 \| good	10.703 \| good	29.683 \| good	0.44 \| good	5.47 \| good	0.128 \| good
2025-12-29T18:00:00.000Z	27 \| good	5.006 \| good	11.174 \| good	27.536 \| good	0.502 \| good	6.079 \| good	0.134 \| good
2025-12-29T19:00:00.000Z	33 \| good	6.033 \| good	11.681 \| good	23.276 \| good	0.625 \| good	6.758 \| good	0.138 \| good
2025-12-29T20:00:00.000Z	38 \| good	6.712 \| good	12.127 \| good	22.365 \| good	0.586 \| good	6.033 \| good	0.14 \| good
2025-12-29T21:00:00.000Z	38 \| good	7.342 \| good	12.403 \| good	23.177 \| good	0.625 \| good	5.433 \| good	0.14 \| good
2025-12-29T22:00:00.000Z	44 \| good	7.916 \| good	11.218 \| good	25.913 \| good	0.635 \| good	4.971 \| good	0.14 \| good
2025-12-29T23:00:00.000Z	44 \| good	7.575 \| good	10.611 \| good	26.78 \| good	0.578 \| good	4.49 \| good	0.135 \| good
2025-12-30T00:00:00.000Z	33 \| good	5.781 \| good	10.429 \| good	27.754 \| good	0.387 \| good	3.471 \| good	0.131 \| good
2025-12-30T01:00:00.000Z	27 \| good	4.946 \| good	9.794 \| good	29.091 \| good	0.224 \| good	2.759 \| good	0.127 \| good
2025-12-30T02:00:00.000Z	29 \| good	4.002 \| good	9.78 \| good	30.976 \| good	0.215 \| good	1.962 \| good	0.123 \| good
2025-12-30T03:00:00.000Z	30 \| good	3.389 \| good	10.115 \| good	31.923 \| good	0.187 \| good	1.385 \| good	0.122 \| good
2025-12-30T04:00:00.000Z	30 \| good	3.189 \| good	10.677 \| good	32.146 \| good	0.19 \| good	1.208 \| good	0.122 \| good
2025-12-30T05:00:00.000Z	30 \| good	3.383 \| good	11.402 \| good	32.117 \| good	0.201 \| good	1.342 \| good	0.122 \| good
2025-12-30T06:00:00.000Z	30 \| good	3.971 \| good	11.248 \| good	32.095 \| good	0.269 \| good	1.588 \| good	0.122 \| good
2025-12-30T07:00:00.000Z	31 \| good	3.683 \| good	10.77 \| good	33.4 \| good	0.334 \| good	2.461 \| good	0.123 \| good
2025-12-30T08:00:00.000Z	31 \| good	3.62 \| good	10.642 \| good	32.75 \| good	0.475 \| good	4.089 \| good	0.127 \| good
2025-12-30T09:00:00.000Z	31 \| good	3.853 \| good	10.901 \| good	32.741 \| good	0.583 \| good	5.58 \| good	0.13 \| good
2025-12-30T10:00:00.000Z	31 \| good	4.066 \| good	11.067 \| good	32.91 \| good	0.588 \| good	5.674 \| good	0.132 \| good
2025-12-30T11:00:00.000Z	31 \| good	4.161 \| good	10.899 \| good	32.842 \| good	0.578 \| good	5.226 \| good	0.133 \| good
2025-12-30T12:00:00.000Z	31 \| good	4.086 \| good	10.052 \| good	33.375 \| good	0.574 \| good	4.648 \| good	0.132 \| good
2025-12-30T13:00:00.000Z	31 \| good	3.829 \| good	10.189 \| good	33.692 \| good	0.558 \| good	4.061 \| good	0.131 \| good
2025-12-30T14:00:00.000Z	31 \| good	4.006 \| good	10.419 \| good	33.673 \| good	0.61 \| good	4.291 \| good	0.133 \| good
2025-12-30T15:00:00.000Z	31 \| good	4.294 \| good	9.847 \| good	33.373 \| good	0.573 \| good	4.863 \| good	0.135 \| good
2025-12-30T16:00:00.000Z	28 \| good	4.485 \| good	9.918 \| good	30.091 \| good	0.58 \| good	5.987 \| good	0.137 \| good
2025-12-30T17:00:00.000Z	27 \| good	4.966 \| good	13.259 \| good	27.166 \| good	0.601 \| good	7.063 \| good	0.142 \| good
2025-12-30T18:00:00.000Z	33 \| good	5.797 \| good	15.191 \| good	25.839 \| good	0.655 \| good	7.596 \| good	0.148 \| good
2025-12-30T19:00:00.000Z	33 \| good	6.387 \| good	16.403 \| good	24.837 \| good	0.737 \| good	8.616 \| good	0.157 \| good
2025-12-30T20:00:00.000Z	44 \| good	7.879 \| good	18.374 \| good	22.47 \| good	0.844 \| good	9.298 \| good	0.17 \| good
2025-12-30T21:00:00.000Z	49 \| good	9.171 \| good	19.03 \| good	20.575 \| good	0.858 \| good	9.28 \| good	0.175 \| good

Live air quality index in Berkhamsted, Hertfordshire today

Major air pollutants in Berkhamsted, Hertfordshire

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Berkhamsted, Hertfordshire air quality map: Stay updated on AQI near you

Air quality in nearby cities

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Air quality levels in UK

Frequently asked questions

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What is the carbon monoxide (CO) level in Berkhamsted, Hertfordshire at the moment?

What is the sulfur dioxide (SO2) level in Berkhamsted, Hertfordshire at the moment?

What is the ozone (O3) level in Berkhamsted, Hertfordshire at the moment?

What is the nitrogen dioxide (NO2) level in Berkhamsted, Hertfordshire at the moment?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 level in Berkhamsted, Hertfordshire at the moment?

What is the PM₁₀ level in Berkhamsted, Hertfordshire at the moment?

What is the sulfur dioxide (SO₂) level in Berkhamsted, Hertfordshire at the moment?

What is the ozone (O₃) level in Berkhamsted, Hertfordshire at the moment?

What is the nitrogen dioxide (NO₂) level in Berkhamsted, Hertfordshire at the moment?