What are the current PM10 levels at Hoddesdon, Hertfordshire?

The current PM10 levels in Hoddesdon, Hertfordshire are 8.757 μg/m3.

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

The current sulfur dioxide (SO2) levels in Hoddesdon, Hertfordshire are 0.374 ppb.

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

The current ozone (O3) levels at Hoddesdon, Hertfordshire is 30.679 ppm.

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

The current nitrogen dioxide (NO2) levels at Hoddesdon, Hertfordshire is 7.2 ppb.

Real-time air quality index in Hoddesdon, Hertfordshire today

Q: What are the current PM2.5 levels in Hoddesdon, Hertfordshire?

The measured PM2.5 levels in Hoddesdon, Hertfordshire at present are 3.606 μg/m3.

Stay updated with real-time air quality in Hoddesdon, 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

Hoddesdon, Hertfordshire

Last updated: ... (Local time)

Common air pollutants in Hoddesdon, Hertfordshire

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

3.61 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

8.76 μg/m³

155

255

425

605+

Ozone (O₃)

30.68 ppb

201

201+

Sulfur Dioxide (SO₂)

0.37 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

7.20 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.01 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Hoddesdon, Hertfordshire

Get Live Pollen Counts

Hoddesdon, Hertfordshire

Scroll To Air Quality Map

Track live Hoddesdon, Hertfordshire air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-26T22:00:00.000Z	38 \| good	6.68 \| good	21.997 \| good	14.838 \| good	0.364 \| good	8.062 \| good	0.006 \| good
2025-12-26T23:00:00.000Z	33 \| good	6.27 \| good	19.809 \| good	14.867 \| good	0.365 \| good	10.647 \| good	0.006 \| good
2025-12-27T00:00:00.000Z	52 \| moderate	10.282 \| good	18.99 \| good	16.233 \| good	0.439 \| good	9.911 \| good	0.305 \| good
2025-12-27T01:00:00.000Z	54 \| moderate	10.91 \| good	17.923 \| good	16.483 \| good	0.382 \| good	9.063 \| good	0.573 \| good
2025-12-27T02:00:00.000Z	54 \| moderate	11.16 \| good	16.4 \| good	16.02 \| good	0.382 \| good	10.854 \| good	0.228 \| good
2025-12-27T03:00:00.000Z	44 \| good	7.924 \| good	23.965 \| good	13.451 \| good	0.45 \| good	11.799 \| good	0.241 \| good
2025-12-27T04:00:00.000Z	49 \| good	9.155 \| good	18.812 \| good	16.077 \| good	0.382 \| good	10.768 \| good	0.188 \| good
2025-12-27T05:00:00.000Z	52 \| moderate	9.678 \| good	18.66 \| good	16.414 \| good	0.458 \| good	11.164 \| good	0.169 \| good
2025-12-27T06:00:00.000Z	52 \| moderate	10.177 \| good	23.943 \| good	15.859 \| good	0.314 \| good	7.504 \| good	0.005 \| good
2025-12-27T07:00:00.000Z	54 \| moderate	10.684 \| good	26.537 \| good	16.352 \| good	0.349 \| good	5.65 \| good	0.007 \| good
2025-12-27T08:00:00.000Z	38 \| good	7.07 \| good	25.377 \| good	21.193 \| good	0.351 \| good	5.126 \| good	0.009 \| good
2025-12-27T09:00:00.000Z	38 \| good	6.516 \| good	19.533 \| good	27.395 \| good	0.322 \| good	6.925 \| good	0.007 \| good
2025-12-27T10:00:00.000Z	44 \| good	7.949 \| good	23.477 \| good	25.48 \| good	0.32 \| good	5.636 \| good	0.005 \| good
2025-12-27T11:00:00.000Z	49 \| good	8.995 \| good	21.365 \| good	18.996 \| good	0.346 \| good	4.667 \| good	0.006 \| good
2025-12-27T12:00:00.000Z	38 \| good	7.088 \| good	18.928 \| good	18.538 \| good	0.368 \| good	4.456 \| good	0.006 \| good
2025-12-27T13:00:00.000Z	49 \| good	9.07 \| good	26.64 \| good	18.581 \| good	0.306 \| good	4.852 \| good	0.006 \| good
2025-12-27T14:00:00.000Z	54 \| moderate	10.725 \| good	28.06 \| good	14.343 \| good	0.304 \| good	4.55 \| good	0.009 \| good
2025-12-27T15:00:00.000Z	38 \| good	7.333 \| good	21.66 \| good	19.789 \| good	0.306 \| good	4.227 \| good	0.009 \| good
2025-12-27T16:00:00.000Z	44 \| good	7.938 \| good	45.268 \| good	19.428 \| good	0.385 \| good	5.04 \| good	0.012 \| good
2025-12-27T17:00:00.000Z	49 \| good	9.231 \| good	16.514 \| good	32.829 \| good	0.307 \| good	4.969 \| good	0.017 \| good
2025-12-27T18:00:00.000Z	33 \| good	6.034 \| good	35.535 \| good	17.454 \| good	0.306 \| good	4.818 \| good	0.022 \| good
2025-12-27T19:00:00.000Z	33 \| good	6.102 \| good	19.547 \| good	19.831 \| good	0.342 \| good	2.853 \| good	0.033 \| good
2025-12-27T20:00:00.000Z	27 \| good	4.725 \| good	22.709 \| good	17.8 \| good	0.307 \| good	4.072 \| good	0.044 \| good
2025-12-27T21:00:00.000Z	33 \| good	5.705 \| good	15.055 \| good	18.292 \| good	0.386 \| good	3.234 \| good	0.033 \| good
2025-12-27T22:00:00.000Z	33 \| good	6.373 \| good	18.531 \| good	29.918 \| good	0.307 \| good	3.31 \| good	0.038 \| good
2025-12-27T23:00:00.000Z	49 \| good	8.561 \| good	23.128 \| good	24.317 \| good	0.39 \| good	4.521 \| good	0.029 \| good
2025-12-28T00:00:00.000Z	30 \| good	4.742 \| good	9.441 \| good	31.952 \| good	0.442 \| good	3.012 \| good	1.101 \| good
2025-12-28T01:00:00.000Z	29 \| good	4.907 \| good	8.973 \| good	31.452 \| good	0.486 \| good	2.672 \| good	1.078 \| good
2025-12-28T02:00:00.000Z	29 \| good	3.799 \| good	18.046 \| good	30.958 \| good	0.382 \| good	3.164 \| good	1.233 \| good
2025-12-28T03:00:00.000Z	31 \| good	3.535 \| good	15.776 \| good	33.043 \| good	0.484 \| good	7.243 \| good	0.638 \| good
2025-12-28T04:00:00.000Z	31 \| good	3.965 \| good	20.554 \| good	32.503 \| good	0.487 \| good	8.166 \| good	0.677 \| good
2025-12-28T05:00:00.000Z	28 \| good	3.823 \| good	16.459 \| good	30.23 \| good	0.485 \| good	8.24 \| good	0.432 \| good
2025-12-28T06:00:00.000Z	30 \| good	2.801 \| good	11.556 \| good	31.858 \| good	0.358 \| good	2.832 \| good	0.009 \| good
2025-12-28T07:00:00.000Z	27 \| good	2.819 \| good	8.058 \| good	29.422 \| good	0.357 \| good	2.467 \| good	0.012 \| good
2025-12-28T08:00:00.000Z	25 \| good	2.47 \| good	14.574 \| good	27.113 \| good	0.156 \| good	1.635 \| good	0.016 \| good
2025-12-28T09:00:00.000Z	25 \| good	4.284 \| good	7.452 \| good	26.955 \| good	0.16 \| good	1.657 \| good	0.017 \| good
2025-12-28T10:00:00.000Z	28 \| good	4.143 \| good	17.298 \| good	29.618 \| good	0.159 \| good	1.691 \| good	0.009 \| good
2025-12-28T11:00:00.000Z	28 \| good	2.558 \| good	16.207 \| good	29.744 \| good	0.153 \| good	1.707 \| good	0.005 \| good
2025-12-28T12:00:00.000Z	29 \| good	2.58 \| good	8.683 \| good	31.466 \| good	0.153 \| good	1.814 \| good	0.005 \| good
2025-12-28T13:00:00.000Z	27 \| good	2.261 \| good	11.409 \| good	29.014 \| good	0.152 \| good	1.858 \| good	0.005 \| good
2025-12-28T14:00:00.000Z	28 \| good	3.078 \| good	8.048 \| good	29.809 \| good	0.152 \| good	2.067 \| good	0.005 \| good
2025-12-28T15:00:00.000Z	29 \| good	2.655 \| good	21.262 \| good	30.847 \| good	0.152 \| good	1.842 \| good	0.006 \| good
2025-12-28T16:00:00.000Z	26 \| good	2.61 \| good	16.541 \| good	28.066 \| good	0.148 \| good	1.682 \| good	0.006 \| good
2025-12-28T17:00:00.000Z	26 \| good	3.52 \| good	10.677 \| good	27.704 \| good	0.149 \| good	1.653 \| good	0.006 \| good
2025-12-28T18:00:00.000Z	27 \| good	2.461 \| good	9.997 \| good	29.428 \| good	0.158 \| good	1.625 \| good	0.007 \| good
2025-12-28T19:00:00.000Z	29 \| good	2.688 \| good	6.357 \| good	31.454 \| good	0.175 \| good	2.873 \| good	0.019 \| good
2025-12-28T20:00:00.000Z	27 \| good	2.765 \| good	10.9 \| good	29.205 \| good	0.174 \| good	2.937 \| good	0.019 \| good
2025-12-28T21:00:00.000Z	29 \| good	3.606 \| good	8.757 \| good	30.679 \| good	0.374 \| good	7.2 \| good	0.007 \| good
2025-12-28T22:00:00.000Z	38 \| good	6.552 \| good	12.55 \| good	23.531 \| good	0.394 \| good	6.234 \| good	0.135 \| good
2025-12-28T23:00:00.000Z	38 \| good	6.64 \| good	12.702 \| good	23.344 \| good	0.373 \| good	6.057 \| good	0.134 \| good
2025-12-29T00:00:00.000Z	38 \| good	6.898 \| good	12.434 \| good	23.446 \| good	0.344 \| good	5.146 \| good	0.131 \| good
2025-12-29T01:00:00.000Z	38 \| good	7.049 \| good	12.243 \| good	23.673 \| good	0.34 \| good	4.427 \| good	0.13 \| good
2025-12-29T02:00:00.000Z	38 \| good	6.545 \| good	12.845 \| good	24.75 \| good	0.324 \| good	3.591 \| good	0.127 \| good
2025-12-29T03:00:00.000Z	27 \| good	5.413 \| good	12.142 \| good	26.564 \| good	0.305 \| good	2.709 \| good	0.124 \| good
2025-12-29T04:00:00.000Z	26 \| good	4.265 \| good	10.647 \| good	28.104 \| good	0.29 \| good	2.191 \| good	0.122 \| good
2025-12-29T05:00:00.000Z	27 \| good	3.753 \| good	9.618 \| good	29.239 \| good	0.271 \| good	2.057 \| good	0.121 \| good
2025-12-29T06:00:00.000Z	28 \| good	3.575 \| good	8.386 \| good	29.806 \| good	0.295 \| good	2.236 \| good	0.121 \| good
2025-12-29T07:00:00.000Z	28 \| good	3.462 \| good	8.143 \| good	29.575 \| good	0.4 \| good	3.346 \| good	0.123 \| good
2025-12-29T08:00:00.000Z	25 \| good	3.814 \| good	8.316 \| good	27.411 \| good	0.533 \| good	5.363 \| good	0.128 \| good
2025-12-29T09:00:00.000Z	23 \| good	4.029 \| good	8.552 \| good	25.304 \| good	0.618 \| good	6.685 \| good	0.131 \| good
2025-12-29T10:00:00.000Z	23 \| good	3.856 \| good	8.699 \| good	24.905 \| good	0.629 \| good	6.475 \| good	0.132 \| good
2025-12-29T11:00:00.000Z	26 \| good	3.453 \| good	8.987 \| good	27.964 \| good	0.558 \| good	5.701 \| good	0.13 \| good
2025-12-29T12:00:00.000Z	26 \| good	3.432 \| good	8.295 \| good	28.257 \| good	0.41 \| good	4.929 \| good	0.126 \| good
2025-12-29T13:00:00.000Z	28 \| good	2.977 \| good	6.696 \| good	29.568 \| good	0.308 \| good	3.948 \| good	0.123 \| good
2025-12-29T14:00:00.000Z	29 \| good	3.053 \| good	7.927 \| good	30.98 \| good	0.298 \| good	3.811 \| good	0.124 \| good
2025-12-29T15:00:00.000Z	30 \| good	3.085 \| good	8.824 \| good	31.596 \| good	0.344 \| good	4.108 \| good	0.126 \| good
2025-12-29T16:00:00.000Z	29 \| good	3.087 \| good	9.552 \| good	30.846 \| good	0.365 \| good	4.93 \| good	0.129 \| good
2025-12-29T17:00:00.000Z	26 \| good	4.094 \| good	10.981 \| good	27.964 \| good	0.454 \| good	6.178 \| good	0.133 \| good
2025-12-29T18:00:00.000Z	27 \| good	5.292 \| good	11.458 \| good	22.739 \| good	0.554 \| good	7.541 \| good	0.139 \| good
2025-12-29T19:00:00.000Z	33 \| good	5.556 \| good	11.655 \| good	22.41 \| good	0.569 \| good	7.319 \| good	0.14 \| good
2025-12-29T20:00:00.000Z	27 \| good	5.462 \| good	11.915 \| good	25.086 \| good	0.563 \| good	6.522 \| good	0.138 \| good
2025-12-29T21:00:00.000Z	33 \| good	5.603 \| good	12.287 \| good	25.863 \| good	0.549 \| good	5.622 \| good	0.135 \| good
2025-12-29T22:00:00.000Z	27 \| good	5.328 \| good	10.96 \| good	27.87 \| good	0.493 \| good	4.871 \| good	0.134 \| good
2025-12-29T23:00:00.000Z	27 \| good	4.826 \| good	9.24 \| good	28.714 \| good	0.421 \| good	3.728 \| good	0.132 \| good
2025-12-30T00:00:00.000Z	28 \| good	4.604 \| good	8.584 \| good	29.525 \| good	0.33 \| good	2.614 \| good	0.127 \| good
2025-12-30T01:00:00.000Z	29 \| good	3.909 \| good	8.879 \| good	30.748 \| good	0.266 \| good	1.94 \| good	0.124 \| good
2025-12-30T02:00:00.000Z	30 \| good	3.275 \| good	9.69 \| good	32.231 \| good	0.212 \| good	1.35 \| good	0.123 \| good
2025-12-30T03:00:00.000Z	31 \| good	3.026 \| good	10.32 \| good	32.949 \| good	0.194 \| good	1.071 \| good	0.122 \| good
2025-12-30T04:00:00.000Z	31 \| good	2.995 \| good	10.717 \| good	32.861 \| good	0.201 \| good	1.065 \| good	0.121 \| good
2025-12-30T05:00:00.000Z	31 \| good	3.367 \| good	10.341 \| good	33.05 \| good	0.215 \| good	1.186 \| good	0.121 \| good
2025-12-30T06:00:00.000Z	31 \| good	3.642 \| good	9.928 \| good	33.693 \| good	0.256 \| good	1.537 \| good	0.122 \| good
2025-12-30T07:00:00.000Z	31 \| good	3.686 \| good	9.993 \| good	33.433 \| good	0.375 \| good	2.593 \| good	0.124 \| good
2025-12-30T08:00:00.000Z	30 \| good	3.823 \| good	10.389 \| good	31.737 \| good	0.522 \| good	4.67 \| good	0.132 \| good
2025-12-30T09:00:00.000Z	29 \| good	3.842 \| good	10.676 \| good	30.744 \| good	0.634 \| good	5.767 \| good	0.135 \| good
2025-12-30T10:00:00.000Z	29 \| good	4.074 \| good	10.727 \| good	30.623 \| good	0.63 \| good	5.653 \| good	0.136 \| good
2025-12-30T11:00:00.000Z	29 \| good	4.017 \| good	10.325 \| good	31.333 \| good	0.589 \| good	5.056 \| good	0.135 \| good
2025-12-30T12:00:00.000Z	31 \| good	3.616 \| good	10.631 \| good	33.095 \| good	0.464 \| good	4.105 \| good	0.133 \| good
2025-12-30T13:00:00.000Z	31 \| good	3.616 \| good	10.677 \| good	33.373 \| good	0.37 \| good	3.708 \| good	0.132 \| good
2025-12-30T14:00:00.000Z	31 \| good	3.697 \| good	10.54 \| good	33.417 \| good	0.389 \| good	3.898 \| good	0.134 \| good
2025-12-30T15:00:00.000Z	31 \| good	3.878 \| good	10.694 \| good	32.815 \| good	0.41 \| good	4.646 \| good	0.136 \| good
2025-12-30T16:00:00.000Z	27 \| good	4.16 \| good	11.325 \| good	29.48 \| good	0.49 \| good	6.127 \| good	0.14 \| good
2025-12-30T17:00:00.000Z	27 \| good	4.685 \| good	11.343 \| good	26.333 \| good	0.552 \| good	7.268 \| good	0.145 \| good
2025-12-30T18:00:00.000Z	27 \| good	5.277 \| good	14.563 \| good	23.321 \| good	0.616 \| good	8.265 \| good	0.152 \| good
2025-12-30T19:00:00.000Z	33 \| good	5.789 \| good	16.446 \| good	21.346 \| good	0.701 \| good	8.972 \| good	0.156 \| good
2025-12-30T20:00:00.000Z	33 \| good	6.236 \| good	16.352 \| good	22.106 \| good	0.748 \| good	8.577 \| good	0.155 \| good
2025-12-30T21:00:00.000Z	33 \| good	6.435 \| good	16.257 \| good	22.349 \| good	0.861 \| good	7.91 \| good	0.156 \| good

Hoddesdon

Empower business decisions with accurate air quality data

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

0.01ppm

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.

Source: Ambee Data Sources

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Frequently asked questions

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

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

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

The worst air quality in Hoddesdon, Hertfordshire was recorded at 11:00:00 on 2025-12-27.

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

The best air quality in Hoddesdon, Hertfordshire was recorded at 09:00:00 on 2025-12-28.

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

The real-time air quality index in Hoddesdon, Hertfordshire is 29, currently categorized as Good.

Which pollutant is found most often in Hoddesdon, Hertfordshire?

The most common pollutant in Hoddesdon, Hertfordshire is O3.

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

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

What are the current PM_2.5 levels in Hoddesdon, Hertfordshire?

The measured PM_2.5 levels in Hoddesdon, Hertfordshire at present are 3.606 μg/m³.

What are the current PM₁₀ levels at Hoddesdon, Hertfordshire?

The current PM₁₀ levels in Hoddesdon, Hertfordshire are 8.757 μg/m³.

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

The current carbon monoxide (CO) level in Hoddesdon, Hertfordshire is 0.007 ppm.

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

The current sulfur dioxide (SO₂) levels in Hoddesdon, Hertfordshire are 0.374 ppb.

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

The current ozone (O₃) levels at Hoddesdon, Hertfordshire is 30.679 ppm.

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

The current nitrogen dioxide (NO₂) levels at Hoddesdon, Hertfordshire is 7.2 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-26T22:00:00.000Z	38 \| good	6.68 \| good	21.997 \| good	14.838 \| good	0.364 \| good	8.062 \| good	0.006 \| good
2025-12-26T23:00:00.000Z	33 \| good	6.27 \| good	19.809 \| good	14.867 \| good	0.365 \| good	10.647 \| good	0.006 \| good
2025-12-27T00:00:00.000Z	52 \| moderate	10.282 \| good	18.99 \| good	16.233 \| good	0.439 \| good	9.911 \| good	0.305 \| good
2025-12-27T01:00:00.000Z	54 \| moderate	10.91 \| good	17.923 \| good	16.483 \| good	0.382 \| good	9.063 \| good	0.573 \| good
2025-12-27T02:00:00.000Z	54 \| moderate	11.16 \| good	16.4 \| good	16.02 \| good	0.382 \| good	10.854 \| good	0.228 \| good
2025-12-27T03:00:00.000Z	44 \| good	7.924 \| good	23.965 \| good	13.451 \| good	0.45 \| good	11.799 \| good	0.241 \| good
2025-12-27T04:00:00.000Z	49 \| good	9.155 \| good	18.812 \| good	16.077 \| good	0.382 \| good	10.768 \| good	0.188 \| good
2025-12-27T05:00:00.000Z	52 \| moderate	9.678 \| good	18.66 \| good	16.414 \| good	0.458 \| good	11.164 \| good	0.169 \| good
2025-12-27T06:00:00.000Z	52 \| moderate	10.177 \| good	23.943 \| good	15.859 \| good	0.314 \| good	7.504 \| good	0.005 \| good
2025-12-27T07:00:00.000Z	54 \| moderate	10.684 \| good	26.537 \| good	16.352 \| good	0.349 \| good	5.65 \| good	0.007 \| good
2025-12-27T08:00:00.000Z	38 \| good	7.07 \| good	25.377 \| good	21.193 \| good	0.351 \| good	5.126 \| good	0.009 \| good
2025-12-27T09:00:00.000Z	38 \| good	6.516 \| good	19.533 \| good	27.395 \| good	0.322 \| good	6.925 \| good	0.007 \| good
2025-12-27T10:00:00.000Z	44 \| good	7.949 \| good	23.477 \| good	25.48 \| good	0.32 \| good	5.636 \| good	0.005 \| good
2025-12-27T11:00:00.000Z	49 \| good	8.995 \| good	21.365 \| good	18.996 \| good	0.346 \| good	4.667 \| good	0.006 \| good
2025-12-27T12:00:00.000Z	38 \| good	7.088 \| good	18.928 \| good	18.538 \| good	0.368 \| good	4.456 \| good	0.006 \| good
2025-12-27T13:00:00.000Z	49 \| good	9.07 \| good	26.64 \| good	18.581 \| good	0.306 \| good	4.852 \| good	0.006 \| good
2025-12-27T14:00:00.000Z	54 \| moderate	10.725 \| good	28.06 \| good	14.343 \| good	0.304 \| good	4.55 \| good	0.009 \| good
2025-12-27T15:00:00.000Z	38 \| good	7.333 \| good	21.66 \| good	19.789 \| good	0.306 \| good	4.227 \| good	0.009 \| good
2025-12-27T16:00:00.000Z	44 \| good	7.938 \| good	45.268 \| good	19.428 \| good	0.385 \| good	5.04 \| good	0.012 \| good
2025-12-27T17:00:00.000Z	49 \| good	9.231 \| good	16.514 \| good	32.829 \| good	0.307 \| good	4.969 \| good	0.017 \| good
2025-12-27T18:00:00.000Z	33 \| good	6.034 \| good	35.535 \| good	17.454 \| good	0.306 \| good	4.818 \| good	0.022 \| good
2025-12-27T19:00:00.000Z	33 \| good	6.102 \| good	19.547 \| good	19.831 \| good	0.342 \| good	2.853 \| good	0.033 \| good
2025-12-27T20:00:00.000Z	27 \| good	4.725 \| good	22.709 \| good	17.8 \| good	0.307 \| good	4.072 \| good	0.044 \| good
2025-12-27T21:00:00.000Z	33 \| good	5.705 \| good	15.055 \| good	18.292 \| good	0.386 \| good	3.234 \| good	0.033 \| good
2025-12-27T22:00:00.000Z	33 \| good	6.373 \| good	18.531 \| good	29.918 \| good	0.307 \| good	3.31 \| good	0.038 \| good
2025-12-27T23:00:00.000Z	49 \| good	8.561 \| good	23.128 \| good	24.317 \| good	0.39 \| good	4.521 \| good	0.029 \| good
2025-12-28T00:00:00.000Z	30 \| good	4.742 \| good	9.441 \| good	31.952 \| good	0.442 \| good	3.012 \| good	1.101 \| good
2025-12-28T01:00:00.000Z	29 \| good	4.907 \| good	8.973 \| good	31.452 \| good	0.486 \| good	2.672 \| good	1.078 \| good
2025-12-28T02:00:00.000Z	29 \| good	3.799 \| good	18.046 \| good	30.958 \| good	0.382 \| good	3.164 \| good	1.233 \| good
2025-12-28T03:00:00.000Z	31 \| good	3.535 \| good	15.776 \| good	33.043 \| good	0.484 \| good	7.243 \| good	0.638 \| good
2025-12-28T04:00:00.000Z	31 \| good	3.965 \| good	20.554 \| good	32.503 \| good	0.487 \| good	8.166 \| good	0.677 \| good
2025-12-28T05:00:00.000Z	28 \| good	3.823 \| good	16.459 \| good	30.23 \| good	0.485 \| good	8.24 \| good	0.432 \| good
2025-12-28T06:00:00.000Z	30 \| good	2.801 \| good	11.556 \| good	31.858 \| good	0.358 \| good	2.832 \| good	0.009 \| good
2025-12-28T07:00:00.000Z	27 \| good	2.819 \| good	8.058 \| good	29.422 \| good	0.357 \| good	2.467 \| good	0.012 \| good
2025-12-28T08:00:00.000Z	25 \| good	2.47 \| good	14.574 \| good	27.113 \| good	0.156 \| good	1.635 \| good	0.016 \| good
2025-12-28T09:00:00.000Z	25 \| good	4.284 \| good	7.452 \| good	26.955 \| good	0.16 \| good	1.657 \| good	0.017 \| good
2025-12-28T10:00:00.000Z	28 \| good	4.143 \| good	17.298 \| good	29.618 \| good	0.159 \| good	1.691 \| good	0.009 \| good
2025-12-28T11:00:00.000Z	28 \| good	2.558 \| good	16.207 \| good	29.744 \| good	0.153 \| good	1.707 \| good	0.005 \| good
2025-12-28T12:00:00.000Z	29 \| good	2.58 \| good	8.683 \| good	31.466 \| good	0.153 \| good	1.814 \| good	0.005 \| good
2025-12-28T13:00:00.000Z	27 \| good	2.261 \| good	11.409 \| good	29.014 \| good	0.152 \| good	1.858 \| good	0.005 \| good
2025-12-28T14:00:00.000Z	28 \| good	3.078 \| good	8.048 \| good	29.809 \| good	0.152 \| good	2.067 \| good	0.005 \| good
2025-12-28T15:00:00.000Z	29 \| good	2.655 \| good	21.262 \| good	30.847 \| good	0.152 \| good	1.842 \| good	0.006 \| good
2025-12-28T16:00:00.000Z	26 \| good	2.61 \| good	16.541 \| good	28.066 \| good	0.148 \| good	1.682 \| good	0.006 \| good
2025-12-28T17:00:00.000Z	26 \| good	3.52 \| good	10.677 \| good	27.704 \| good	0.149 \| good	1.653 \| good	0.006 \| good
2025-12-28T18:00:00.000Z	27 \| good	2.461 \| good	9.997 \| good	29.428 \| good	0.158 \| good	1.625 \| good	0.007 \| good
2025-12-28T19:00:00.000Z	29 \| good	2.688 \| good	6.357 \| good	31.454 \| good	0.175 \| good	2.873 \| good	0.019 \| good
2025-12-28T20:00:00.000Z	27 \| good	2.765 \| good	10.9 \| good	29.205 \| good	0.174 \| good	2.937 \| good	0.019 \| good
2025-12-28T21:00:00.000Z	29 \| good	3.606 \| good	8.757 \| good	30.679 \| good	0.374 \| good	7.2 \| good	0.007 \| good
2025-12-28T22:00:00.000Z	38 \| good	6.552 \| good	12.55 \| good	23.531 \| good	0.394 \| good	6.234 \| good	0.135 \| good
2025-12-28T23:00:00.000Z	38 \| good	6.64 \| good	12.702 \| good	23.344 \| good	0.373 \| good	6.057 \| good	0.134 \| good
2025-12-29T00:00:00.000Z	38 \| good	6.898 \| good	12.434 \| good	23.446 \| good	0.344 \| good	5.146 \| good	0.131 \| good
2025-12-29T01:00:00.000Z	38 \| good	7.049 \| good	12.243 \| good	23.673 \| good	0.34 \| good	4.427 \| good	0.13 \| good
2025-12-29T02:00:00.000Z	38 \| good	6.545 \| good	12.845 \| good	24.75 \| good	0.324 \| good	3.591 \| good	0.127 \| good
2025-12-29T03:00:00.000Z	27 \| good	5.413 \| good	12.142 \| good	26.564 \| good	0.305 \| good	2.709 \| good	0.124 \| good
2025-12-29T04:00:00.000Z	26 \| good	4.265 \| good	10.647 \| good	28.104 \| good	0.29 \| good	2.191 \| good	0.122 \| good
2025-12-29T05:00:00.000Z	27 \| good	3.753 \| good	9.618 \| good	29.239 \| good	0.271 \| good	2.057 \| good	0.121 \| good
2025-12-29T06:00:00.000Z	28 \| good	3.575 \| good	8.386 \| good	29.806 \| good	0.295 \| good	2.236 \| good	0.121 \| good
2025-12-29T07:00:00.000Z	28 \| good	3.462 \| good	8.143 \| good	29.575 \| good	0.4 \| good	3.346 \| good	0.123 \| good
2025-12-29T08:00:00.000Z	25 \| good	3.814 \| good	8.316 \| good	27.411 \| good	0.533 \| good	5.363 \| good	0.128 \| good
2025-12-29T09:00:00.000Z	23 \| good	4.029 \| good	8.552 \| good	25.304 \| good	0.618 \| good	6.685 \| good	0.131 \| good
2025-12-29T10:00:00.000Z	23 \| good	3.856 \| good	8.699 \| good	24.905 \| good	0.629 \| good	6.475 \| good	0.132 \| good
2025-12-29T11:00:00.000Z	26 \| good	3.453 \| good	8.987 \| good	27.964 \| good	0.558 \| good	5.701 \| good	0.13 \| good
2025-12-29T12:00:00.000Z	26 \| good	3.432 \| good	8.295 \| good	28.257 \| good	0.41 \| good	4.929 \| good	0.126 \| good
2025-12-29T13:00:00.000Z	28 \| good	2.977 \| good	6.696 \| good	29.568 \| good	0.308 \| good	3.948 \| good	0.123 \| good
2025-12-29T14:00:00.000Z	29 \| good	3.053 \| good	7.927 \| good	30.98 \| good	0.298 \| good	3.811 \| good	0.124 \| good
2025-12-29T15:00:00.000Z	30 \| good	3.085 \| good	8.824 \| good	31.596 \| good	0.344 \| good	4.108 \| good	0.126 \| good
2025-12-29T16:00:00.000Z	29 \| good	3.087 \| good	9.552 \| good	30.846 \| good	0.365 \| good	4.93 \| good	0.129 \| good
2025-12-29T17:00:00.000Z	26 \| good	4.094 \| good	10.981 \| good	27.964 \| good	0.454 \| good	6.178 \| good	0.133 \| good
2025-12-29T18:00:00.000Z	27 \| good	5.292 \| good	11.458 \| good	22.739 \| good	0.554 \| good	7.541 \| good	0.139 \| good
2025-12-29T19:00:00.000Z	33 \| good	5.556 \| good	11.655 \| good	22.41 \| good	0.569 \| good	7.319 \| good	0.14 \| good
2025-12-29T20:00:00.000Z	27 \| good	5.462 \| good	11.915 \| good	25.086 \| good	0.563 \| good	6.522 \| good	0.138 \| good
2025-12-29T21:00:00.000Z	33 \| good	5.603 \| good	12.287 \| good	25.863 \| good	0.549 \| good	5.622 \| good	0.135 \| good
2025-12-29T22:00:00.000Z	27 \| good	5.328 \| good	10.96 \| good	27.87 \| good	0.493 \| good	4.871 \| good	0.134 \| good
2025-12-29T23:00:00.000Z	27 \| good	4.826 \| good	9.24 \| good	28.714 \| good	0.421 \| good	3.728 \| good	0.132 \| good
2025-12-30T00:00:00.000Z	28 \| good	4.604 \| good	8.584 \| good	29.525 \| good	0.33 \| good	2.614 \| good	0.127 \| good
2025-12-30T01:00:00.000Z	29 \| good	3.909 \| good	8.879 \| good	30.748 \| good	0.266 \| good	1.94 \| good	0.124 \| good
2025-12-30T02:00:00.000Z	30 \| good	3.275 \| good	9.69 \| good	32.231 \| good	0.212 \| good	1.35 \| good	0.123 \| good
2025-12-30T03:00:00.000Z	31 \| good	3.026 \| good	10.32 \| good	32.949 \| good	0.194 \| good	1.071 \| good	0.122 \| good
2025-12-30T04:00:00.000Z	31 \| good	2.995 \| good	10.717 \| good	32.861 \| good	0.201 \| good	1.065 \| good	0.121 \| good
2025-12-30T05:00:00.000Z	31 \| good	3.367 \| good	10.341 \| good	33.05 \| good	0.215 \| good	1.186 \| good	0.121 \| good
2025-12-30T06:00:00.000Z	31 \| good	3.642 \| good	9.928 \| good	33.693 \| good	0.256 \| good	1.537 \| good	0.122 \| good
2025-12-30T07:00:00.000Z	31 \| good	3.686 \| good	9.993 \| good	33.433 \| good	0.375 \| good	2.593 \| good	0.124 \| good
2025-12-30T08:00:00.000Z	30 \| good	3.823 \| good	10.389 \| good	31.737 \| good	0.522 \| good	4.67 \| good	0.132 \| good
2025-12-30T09:00:00.000Z	29 \| good	3.842 \| good	10.676 \| good	30.744 \| good	0.634 \| good	5.767 \| good	0.135 \| good
2025-12-30T10:00:00.000Z	29 \| good	4.074 \| good	10.727 \| good	30.623 \| good	0.63 \| good	5.653 \| good	0.136 \| good
2025-12-30T11:00:00.000Z	29 \| good	4.017 \| good	10.325 \| good	31.333 \| good	0.589 \| good	5.056 \| good	0.135 \| good
2025-12-30T12:00:00.000Z	31 \| good	3.616 \| good	10.631 \| good	33.095 \| good	0.464 \| good	4.105 \| good	0.133 \| good
2025-12-30T13:00:00.000Z	31 \| good	3.616 \| good	10.677 \| good	33.373 \| good	0.37 \| good	3.708 \| good	0.132 \| good
2025-12-30T14:00:00.000Z	31 \| good	3.697 \| good	10.54 \| good	33.417 \| good	0.389 \| good	3.898 \| good	0.134 \| good
2025-12-30T15:00:00.000Z	31 \| good	3.878 \| good	10.694 \| good	32.815 \| good	0.41 \| good	4.646 \| good	0.136 \| good
2025-12-30T16:00:00.000Z	27 \| good	4.16 \| good	11.325 \| good	29.48 \| good	0.49 \| good	6.127 \| good	0.14 \| good
2025-12-30T17:00:00.000Z	27 \| good	4.685 \| good	11.343 \| good	26.333 \| good	0.552 \| good	7.268 \| good	0.145 \| good
2025-12-30T18:00:00.000Z	27 \| good	5.277 \| good	14.563 \| good	23.321 \| good	0.616 \| good	8.265 \| good	0.152 \| good
2025-12-30T19:00:00.000Z	33 \| good	5.789 \| good	16.446 \| good	21.346 \| good	0.701 \| good	8.972 \| good	0.156 \| good
2025-12-30T20:00:00.000Z	33 \| good	6.236 \| good	16.352 \| good	22.106 \| good	0.748 \| good	8.577 \| good	0.155 \| good
2025-12-30T21:00:00.000Z	33 \| good	6.435 \| good	16.257 \| good	22.349 \| good	0.861 \| good	7.91 \| good	0.156 \| good

Real-time air quality index in Hoddesdon, Hertfordshire today

Common air pollutants in Hoddesdon, Hertfordshire

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Hoddesdon, Hertfordshire air quality forecast and history

Empower business decisions with accurate air quality data

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

Air quality in nearby cities

Ware, Hertfordshire

Hertford, Hertfordshire

Cheshunt, Hertfordshire

Harlow, Essex

Waltham Cross, Hertfordshire

Waltham Abbey, Essex

How accurate is Hertfordshire, UK air quality data?

Air quality levels in UK

Frequently asked questions

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

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

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

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

Which pollutant is found most often in Hoddesdon, Hertfordshire?

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

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

What are the current PM10 levels at Hoddesdon, Hertfordshire?

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

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

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

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

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What are the current PM_2.5 levels in Hoddesdon, Hertfordshire?

What are the current PM₁₀ levels at Hoddesdon, Hertfordshire?

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

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

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