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

Currently, Hatfield, Hertfordshire has a sulfur dioxide (SO2) concentration of 0.353 ppb.

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

The current ozone (O3) level in Hatfield, Hertfordshire at the moment is 20.353 ppm.

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

Nitrogen dioxide (NO2) level in Hatfield, Hertfordshire at the moment is 7.5 ppb.

Live air quality index in Hatfield, Hertfordshire today

Name: Live air pollution levels in Hatfield, Hertfordshire today
Creator: Ambee

Stay updated with real-time air quality in Hatfield, 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

Hatfield, Hertfordshire

Last updated: ... (Local time)

Major air pollutants in Hatfield, Hertfordshire

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

2.88 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

5.65 μg/m³

155

255

425

605+

Ozone (O₃)

24.83 ppb

201

201+

Sulfur Dioxide (SO₂)

0.38 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

1.78 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

Hatfield, Hertfordshire

Get Live Pollen Counts

Hatfield, Hertfordshire

Scroll To Air Quality Map

Track live Hatfield, Hertfordshire air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-16T04:00:00.000Z	27 \| good	5.318 \| good	15.718 \| good	26.585 \| good	0.409 \| good	2.382 \| good	0.364 \| good
2025-09-16T05:00:00.000Z	33 \| good	6.474 \| good	12.576 \| good	26.131 \| good	0.341 \| good	2.056 \| good	0.321 \| good
2025-09-16T06:00:00.000Z	33 \| good	6.244 \| good	15.814 \| good	21.622 \| good	0.342 \| good	2.276 \| good	0.005 \| good
2025-09-16T07:00:00.000Z	33 \| good	5.972 \| good	12.371 \| good	21.334 \| good	0.348 \| good	2.763 \| good	0.005 \| good
2025-09-16T08:00:00.000Z	38 \| good	6.716 \| good	11.964 \| good	22.783 \| good	0.347 \| good	3.289 \| good	0.005 \| good
2025-09-16T09:00:00.000Z	33 \| good	5.553 \| good	13.302 \| good	24.712 \| good	0.443 \| good	3.376 \| good	0.005 \| good
2025-09-16T10:00:00.000Z	27 \| good	5.367 \| good	16.645 \| good	25.229 \| good	0.394 \| good	2.755 \| good	0.005 \| good
2025-09-16T11:00:00.000Z	27 \| good	5.305 \| good	11.935 \| good	22.333 \| good	0.392 \| good	2.921 \| good	0.004 \| good
2025-09-16T12:00:00.000Z	33 \| good	5.804 \| good	12.8 \| good	24.686 \| good	0.378 \| good	2.575 \| good	0.004 \| good
2025-09-16T13:00:00.000Z	33 \| good	5.623 \| good	16.254 \| good	23.38 \| good	0.428 \| good	2.661 \| good	0.004 \| good
2025-09-16T14:00:00.000Z	24 \| good	4.5 \| good	14.515 \| good	25.573 \| good	0.377 \| good	2.488 \| good	0.004 \| good
2025-09-16T15:00:00.000Z	27 \| good	4.826 \| good	13.086 \| good	26.605 \| good	0.391 \| good	2.142 \| good	0.004 \| good
2025-09-16T16:00:00.000Z	27 \| good	5.162 \| good	12.599 \| good	25.768 \| good	0.481 \| good	2.402 \| good	0.004 \| good
2025-09-16T17:00:00.000Z	28 \| good	4.967 \| good	11.618 \| good	29.821 \| good	0.484 \| good	2.189 \| good	0.004 \| good
2025-09-16T18:00:00.000Z	28 \| good	4.783 \| good	13.292 \| good	29.568 \| good	0.365 \| good	2.543 \| good	0.004 \| good
2025-09-16T19:00:00.000Z	27 \| good	5.113 \| good	12.193 \| good	27.389 \| good	0.426 \| good	2.543 \| good	0.005 \| good
2025-09-16T20:00:00.000Z	27 \| good	5.154 \| good	11.049 \| good	26.857 \| good	0.349 \| good	2.763 \| good	0.005 \| good
2025-09-16T21:00:00.000Z	27 \| good	4.689 \| good	11.328 \| good	26.367 \| good	0.349 \| good	3.289 \| good	0.005 \| good
2025-09-16T22:00:00.000Z	27 \| good	4.882 \| good	11.224 \| good	28.153 \| good	0.346 \| good	3.509 \| good	0.004 \| good
2025-09-16T23:00:00.000Z	27 \| good	5.349 \| good	11.583 \| good	26.387 \| good	0.39 \| good	3.242 \| good	0.004 \| good
2025-09-17T00:00:00.000Z	27 \| good	5.084 \| good	11.967 \| good	25.496 \| good	0.405 \| good	8.277 \| good	0.29 \| good
2025-09-17T01:00:00.000Z	22 \| good	4.368 \| good	9.957 \| good	24.107 \| good	0.405 \| good	8.39 \| good	0.339 \| good
2025-09-17T02:00:00.000Z	22 \| good	4.223 \| good	11.573 \| good	22.411 \| good	0.405 \| good	7.038 \| good	0.312 \| good
2025-09-17T03:00:00.000Z	22 \| good	4.388 \| good	11.745 \| good	22.313 \| good	0.406 \| good	7.038 \| good	0.361 \| good
2025-09-17T04:00:00.000Z	22 \| good	4.015 \| good	10.617 \| good	19.419 \| good	0.415 \| good	6.788 \| good	0.37 \| good
2025-09-17T05:00:00.000Z	27 \| good	4.535 \| good	11.921 \| good	21.314 \| good	0.339 \| good	6.714 \| good	0.445 \| good
2025-09-17T06:00:00.000Z	27 \| good	4.898 \| good	9.51 \| good	19.849 \| good	0.34 \| good	6.534 \| good	0.004 \| good
2025-09-17T07:00:00.000Z	27 \| good	4.848 \| good	11.213 \| good	20.402 \| good	0.34 \| good	7.335 \| good	0.004 \| good
2025-09-17T08:00:00.000Z	27 \| good	4.548 \| good	9.795 \| good	20.139 \| good	0.34 \| good	7.948 \| good	0.004 \| good
2025-09-17T09:00:00.000Z	22 \| good	3.758 \| good	12.367 \| good	19.534 \| good	0.34 \| good	7.681 \| good	0.004 \| good
2025-09-17T10:00:00.000Z	22 \| good	3.605 \| good	10.608 \| good	22.087 \| good	0.349 \| good	7.194 \| good	0.004 \| good
2025-09-17T11:00:00.000Z	22 \| good	3.836 \| good	9.736 \| good	20.196 \| good	0.348 \| good	7.469 \| good	0.004 \| good
2025-09-17T12:00:00.000Z	22 \| good	3.596 \| good	9.893 \| good	20.858 \| good	0.419 \| good	7.555 \| good	0.004 \| good
2025-09-17T13:00:00.000Z	22 \| good	3.638 \| good	9.895 \| good	21.147 \| good	0.353 \| good	7.068 \| good	0.004 \| good
2025-09-17T14:00:00.000Z	22 \| good	3.899 \| good	8.862 \| good	21.951 \| good	0.442 \| good	6.267 \| good	0.004 \| good
2025-09-17T15:00:00.000Z	22 \| good	3.581 \| good	10.309 \| good	22.133 \| good	0.444 \| good	6.4 \| good	0.004 \| good
2025-09-17T16:00:00.000Z	22 \| good	3.721 \| good	9.424 \| good	22.882 \| good	0.441 \| good	6.314 \| good	0.004 \| good
2025-09-17T17:00:00.000Z	21 \| good	3.393 \| good	8.489 \| good	23.364 \| good	0.673 \| good	6.267 \| good	0.004 \| good
2025-09-17T18:00:00.000Z	22 \| good	3.527 \| good	8.558 \| good	22.523 \| good	0.442 \| good	6.4 \| good	0.004 \| good
2025-09-17T19:00:00.000Z	22 \| good	3.902 \| good	9.356 \| good	22.817 \| good	0.442 \| good	6.4 \| good	0.004 \| good
2025-09-17T20:00:00.000Z	22 \| good	3.898 \| good	8.194 \| good	22.936 \| good	0.354 \| good	6.4 \| good	0.004 \| good
2025-09-17T21:00:00.000Z	22 \| good	4.34 \| good	8.032 \| good	21.976 \| good	0.36 \| good	6.18 \| good	0.004 \| good
2025-09-17T22:00:00.000Z	22 \| good	3.933 \| good	8.452 \| good	23.776 \| good	0.354 \| good	5.96 \| good	0.003 \| good
2025-09-17T23:00:00.000Z	27 \| good	4.638 \| good	9.001 \| good	22.953 \| good	0.353 \| good	5.827 \| good	0.003 \| good
2025-09-18T00:00:00.000Z	22 \| good	3.003 \| good	6.413 \| good	24.493 \| good	0.382 \| good	3.114 \| good	0.208 \| good
2025-09-18T01:00:00.000Z	23 \| good	3.003 \| good	6.268 \| good	24.695 \| good	0.382 \| good	2.657 \| good	0.154 \| good
2025-09-18T02:00:00.000Z	22 \| good	2.957 \| good	6.113 \| good	24.292 \| good	0.382 \| good	2.338 \| good	0.195 \| good
2025-09-18T03:00:00.000Z	22 \| good	2.957 \| good	6.113 \| good	23.943 \| good	0.382 \| good	2.338 \| good	0.193 \| good
2025-09-18T03:00:00.000Z	23 \| good	2.875 \| good	5.648 \| good	24.827 \| good	0.382 \| good	1.776 \| good	0.195 \| good
2025-09-17T06:00:00.000Z	26 \| good	3.91 \| good	5.472 \| good	27.532 \| good	0.198 \| good	4.932 \| good	0.119 \| good
2025-09-17T07:00:00.000Z	28 \| good	3.916 \| good	5.988 \| good	29.688 \| good	0.215 \| good	7.04 \| good	0.123 \| good
2025-09-17T08:00:00.000Z	29 \| good	4.193 \| good	6.567 \| good	30.531 \| good	0.257 \| good	6.865 \| good	0.124 \| good
2025-09-17T09:00:00.000Z	30 \| good	4.378 \| good	7.444 \| good	32.341 \| good	0.254 \| good	5.593 \| good	0.122 \| good
2025-09-17T10:00:00.000Z	30 \| good	4.466 \| good	8.612 \| good	32.136 \| good	0.186 \| good	4.416 \| good	0.121 \| good
2025-09-17T11:00:00.000Z	31 \| good	4.795 \| good	9.259 \| good	32.617 \| good	0.163 \| good	4.063 \| good	0.12 \| good
2025-09-17T12:00:00.000Z	31 \| good	4.905 \| good	9.487 \| good	32.746 \| good	0.156 \| good	4.065 \| good	0.119 \| good
2025-09-17T13:00:00.000Z	30 \| good	5.005 \| good	9.057 \| good	32.437 \| good	0.139 \| good	3.953 \| good	0.119 \| good
2025-09-17T14:00:00.000Z	30 \| good	5.045 \| good	8.83 \| good	32.313 \| good	0.132 \| good	4.057 \| good	0.118 \| good
2025-09-17T15:00:00.000Z	30 \| good	5.155 \| good	8.87 \| good	32.298 \| good	0.129 \| good	4.119 \| good	0.116 \| good
2025-09-17T16:00:00.000Z	29 \| good	5.299 \| good	8.848 \| good	30.617 \| good	0.123 \| good	4.683 \| good	0.116 \| good
2025-09-17T17:00:00.000Z	28 \| good	5.321 \| good	8.582 \| good	29.61 \| good	0.148 \| good	5.401 \| good	0.116 \| good
2025-09-17T18:00:00.000Z	27 \| good	5.255 \| good	8.785 \| good	28.717 \| good	0.184 \| good	5.909 \| good	0.116 \| good
2025-09-17T19:00:00.000Z	27 \| good	4.836 \| good	9.046 \| good	28.394 \| good	0.188 \| good	5.048 \| good	0.114 \| good
2025-09-17T20:00:00.000Z	27 \| good	4.714 \| good	9.361 \| good	28.708 \| good	0.176 \| good	4.077 \| good	0.111 \| good
2025-09-17T21:00:00.000Z	27 \| good	4.743 \| good	8.798 \| good	28.377 \| good	0.15 \| good	3.445 \| good	0.11 \| good
2025-09-17T22:00:00.000Z	27 \| good	5.039 \| good	8.576 \| good	27.746 \| good	0.123 \| good	3.127 \| good	0.109 \| good
2025-09-17T23:00:00.000Z	27 \| good	4.975 \| good	8.403 \| good	27.535 \| good	0.086 \| good	2.856 \| good	0.107 \| good
2025-09-18T00:00:00.000Z	27 \| good	4.775 \| good	8.571 \| good	26.938 \| good	0.072 \| good	2.439 \| good	0.106 \| good
2025-09-18T01:00:00.000Z	27 \| good	4.605 \| good	9.195 \| good	26.19 \| good	0.064 \| good	2.106 \| good	0.104 \| good
2025-09-18T02:00:00.000Z	24 \| good	4.257 \| good	8.698 \| good	26.076 \| good	0.055 \| good	1.857 \| good	0.101 \| good
2025-09-18T03:00:00.000Z	24 \| good	3.962 \| good	8.08 \| good	25.828 \| good	0.056 \| good	1.631 \| good	0.1 \| good
2025-09-18T04:00:00.000Z	24 \| good	4.028 \| good	7.508 \| good	25.635 \| good	0.061 \| good	1.527 \| good	0.1 \| good
2025-09-18T05:00:00.000Z	24 \| good	3.861 \| good	5.845 \| good	25.554 \| good	0.087 \| good	1.64 \| good	0.101 \| good
2025-09-18T06:00:00.000Z	22 \| good	3.896 \| good	6.655 \| good	24.292 \| good	0.126 \| good	2.921 \| good	0.102 \| good
2025-09-18T07:00:00.000Z	22 \| good	4.093 \| good	7.524 \| good	23.874 \| good	0.145 \| good	4.726 \| good	0.104 \| good
2025-09-18T08:00:00.000Z	23 \| good	3.821 \| good	7.428 \| good	25.243 \| good	0.146 \| good	4.839 \| good	0.106 \| good
2025-09-18T09:00:00.000Z	26 \| good	3.639 \| good	6.909 \| good	27.721 \| good	0.123 \| good	4.06 \| good	0.107 \| good
2025-09-18T10:00:00.000Z	27 \| good	3.333 \| good	6.169 \| good	28.521 \| good	0.122 \| good	3.098 \| good	0.105 \| good
2025-09-18T11:00:00.000Z	27 \| good	3.183 \| good	5.909 \| good	29.421 \| good	0.111 \| good	2.765 \| good	0.104 \| good
2025-09-18T12:00:00.000Z	29 \| good	3.117 \| good	5.857 \| good	30.522 \| good	0.107 \| good	2.467 \| good	0.103 \| good
2025-09-18T13:00:00.000Z	28 \| good	3.094 \| good	6.109 \| good	30.341 \| good	0.109 \| good	2.402 \| good	0.102 \| good
2025-09-18T14:00:00.000Z	28 \| good	3.146 \| good	6.305 \| good	30.143 \| good	0.111 \| good	2.549 \| good	0.102 \| good
2025-09-18T15:00:00.000Z	28 \| good	3.24 \| good	6.493 \| good	29.708 \| good	0.118 \| good	2.993 \| good	0.103 \| good
2025-09-18T16:00:00.000Z	27 \| good	3.328 \| good	7.07 \| good	29.046 \| good	0.13 \| good	3.707 \| good	0.104 \| good
2025-09-18T17:00:00.000Z	26 \| good	3.566 \| good	7.608 \| good	27.706 \| good	0.12 \| good	4.524 \| good	0.106 \| good
2025-09-18T18:00:00.000Z	25 \| good	3.797 \| good	6.889 \| good	26.78 \| good	0.154 \| good	5.218 \| good	0.107 \| good
2025-09-18T19:00:00.000Z	25 \| good	3.284 \| good	6.779 \| good	27.014 \| good	0.188 \| good	5.184 \| good	0.106 \| good
2025-09-18T20:00:00.000Z	26 \| good	3.317 \| good	6.563 \| good	27.522 \| good	0.181 \| good	4.596 \| good	0.104 \| good
2025-09-18T21:00:00.000Z	26 \| good	3.457 \| good	6.451 \| good	27.585 \| good	0.177 \| good	3.902 \| good	0.104 \| good
2025-09-18T22:00:00.000Z	25 \| good	3.442 \| good	6.271 \| good	27.124 \| good	0.18 \| good	3.718 \| good	0.103 \| good
2025-09-18T23:00:00.000Z	25 \| good	3.28 \| good	6.082 \| good	26.947 \| good	0.148 \| good	3.275 \| good	0.102 \| good
2025-09-19T00:00:00.000Z	25 \| good	3.237 \| good	5.767 \| good	27.425 \| good	0.121 \| good	2.737 \| good	0.103 \| good
2025-09-19T01:00:00.000Z	25 \| good	3.182 \| good	5.722 \| good	26.902 \| good	0.113 \| good	2.171 \| good	0.1 \| good
2025-09-19T02:00:00.000Z	25 \| good	3.273 \| good	5.845 \| good	26.781 \| good	0.12 \| good	2.081 \| good	0.1 \| good
2025-09-19T03:00:00.000Z	24 \| good	3.589 \| good	6.322 \| good	26.195 \| good	0.131 \| good	2.108 \| good	0.102 \| good
2025-09-19T04:00:00.000Z	24 \| good	3.964 \| good	6.704 \| good	25.577 \| good	0.146 \| good	2.182 \| good	0.103 \| good
2025-09-19T05:00:00.000Z	27 \| good	4.525 \| good	7.112 \| good	25.285 \| good	0.183 \| good	2.663 \| good	0.105 \| good

Hatfield

Get reliable air quality data to drive your business

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

0.37ppm

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 Hatfield, Hertfordshire?

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

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

In the past 24 hours, the air quality in Hatfield, Hertfordshire was at its worst at 08:00:00 on 2025-09-16.

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

In the last 24 hours, the best air quality in Hatfield, Hertfordshire was observed at 12:00:00 on 2025-09-17.

What is the AQI in Hatfield, Hertfordshire right now?

As of now, the AQI in Hatfield, Hertfordshire is 33, indicating Good conditions.

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

Hatfield, Hertfordshire air has the highest levels of PM2.5.

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

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

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

PM_2.5 levels in Hatfield, Hertfordshire are currently 5.82 μg/m³.

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

The PM₁₀ concentration in Hatfield, Hertfordshire is 11.236 μg/m³ at the moment.

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

The current carbon monoxide (CO) concentration in Hatfield, Hertfordshire is 0.445 ppm.

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

Currently, Hatfield, Hertfordshire has a sulfur dioxide (SO₂) concentration of 0.353 ppb.

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

The current ozone (O₃) level in Hatfield, Hertfordshire at the moment is 20.353 ppm.

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

Nitrogen dioxide (NO₂) level in Hatfield, Hertfordshire at the moment is 7.5 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-16T04:00:00.000Z	27 \| good	5.318 \| good	15.718 \| good	26.585 \| good	0.409 \| good	2.382 \| good	0.364 \| good
2025-09-16T05:00:00.000Z	33 \| good	6.474 \| good	12.576 \| good	26.131 \| good	0.341 \| good	2.056 \| good	0.321 \| good
2025-09-16T06:00:00.000Z	33 \| good	6.244 \| good	15.814 \| good	21.622 \| good	0.342 \| good	2.276 \| good	0.005 \| good
2025-09-16T07:00:00.000Z	33 \| good	5.972 \| good	12.371 \| good	21.334 \| good	0.348 \| good	2.763 \| good	0.005 \| good
2025-09-16T08:00:00.000Z	38 \| good	6.716 \| good	11.964 \| good	22.783 \| good	0.347 \| good	3.289 \| good	0.005 \| good
2025-09-16T09:00:00.000Z	33 \| good	5.553 \| good	13.302 \| good	24.712 \| good	0.443 \| good	3.376 \| good	0.005 \| good
2025-09-16T10:00:00.000Z	27 \| good	5.367 \| good	16.645 \| good	25.229 \| good	0.394 \| good	2.755 \| good	0.005 \| good
2025-09-16T11:00:00.000Z	27 \| good	5.305 \| good	11.935 \| good	22.333 \| good	0.392 \| good	2.921 \| good	0.004 \| good
2025-09-16T12:00:00.000Z	33 \| good	5.804 \| good	12.8 \| good	24.686 \| good	0.378 \| good	2.575 \| good	0.004 \| good
2025-09-16T13:00:00.000Z	33 \| good	5.623 \| good	16.254 \| good	23.38 \| good	0.428 \| good	2.661 \| good	0.004 \| good
2025-09-16T14:00:00.000Z	24 \| good	4.5 \| good	14.515 \| good	25.573 \| good	0.377 \| good	2.488 \| good	0.004 \| good
2025-09-16T15:00:00.000Z	27 \| good	4.826 \| good	13.086 \| good	26.605 \| good	0.391 \| good	2.142 \| good	0.004 \| good
2025-09-16T16:00:00.000Z	27 \| good	5.162 \| good	12.599 \| good	25.768 \| good	0.481 \| good	2.402 \| good	0.004 \| good
2025-09-16T17:00:00.000Z	28 \| good	4.967 \| good	11.618 \| good	29.821 \| good	0.484 \| good	2.189 \| good	0.004 \| good
2025-09-16T18:00:00.000Z	28 \| good	4.783 \| good	13.292 \| good	29.568 \| good	0.365 \| good	2.543 \| good	0.004 \| good
2025-09-16T19:00:00.000Z	27 \| good	5.113 \| good	12.193 \| good	27.389 \| good	0.426 \| good	2.543 \| good	0.005 \| good
2025-09-16T20:00:00.000Z	27 \| good	5.154 \| good	11.049 \| good	26.857 \| good	0.349 \| good	2.763 \| good	0.005 \| good
2025-09-16T21:00:00.000Z	27 \| good	4.689 \| good	11.328 \| good	26.367 \| good	0.349 \| good	3.289 \| good	0.005 \| good
2025-09-16T22:00:00.000Z	27 \| good	4.882 \| good	11.224 \| good	28.153 \| good	0.346 \| good	3.509 \| good	0.004 \| good
2025-09-16T23:00:00.000Z	27 \| good	5.349 \| good	11.583 \| good	26.387 \| good	0.39 \| good	3.242 \| good	0.004 \| good
2025-09-17T00:00:00.000Z	27 \| good	5.084 \| good	11.967 \| good	25.496 \| good	0.405 \| good	8.277 \| good	0.29 \| good
2025-09-17T01:00:00.000Z	22 \| good	4.368 \| good	9.957 \| good	24.107 \| good	0.405 \| good	8.39 \| good	0.339 \| good
2025-09-17T02:00:00.000Z	22 \| good	4.223 \| good	11.573 \| good	22.411 \| good	0.405 \| good	7.038 \| good	0.312 \| good
2025-09-17T03:00:00.000Z	22 \| good	4.388 \| good	11.745 \| good	22.313 \| good	0.406 \| good	7.038 \| good	0.361 \| good
2025-09-17T04:00:00.000Z	22 \| good	4.015 \| good	10.617 \| good	19.419 \| good	0.415 \| good	6.788 \| good	0.37 \| good
2025-09-17T05:00:00.000Z	27 \| good	4.535 \| good	11.921 \| good	21.314 \| good	0.339 \| good	6.714 \| good	0.445 \| good
2025-09-17T06:00:00.000Z	27 \| good	4.898 \| good	9.51 \| good	19.849 \| good	0.34 \| good	6.534 \| good	0.004 \| good
2025-09-17T07:00:00.000Z	27 \| good	4.848 \| good	11.213 \| good	20.402 \| good	0.34 \| good	7.335 \| good	0.004 \| good
2025-09-17T08:00:00.000Z	27 \| good	4.548 \| good	9.795 \| good	20.139 \| good	0.34 \| good	7.948 \| good	0.004 \| good
2025-09-17T09:00:00.000Z	22 \| good	3.758 \| good	12.367 \| good	19.534 \| good	0.34 \| good	7.681 \| good	0.004 \| good
2025-09-17T10:00:00.000Z	22 \| good	3.605 \| good	10.608 \| good	22.087 \| good	0.349 \| good	7.194 \| good	0.004 \| good
2025-09-17T11:00:00.000Z	22 \| good	3.836 \| good	9.736 \| good	20.196 \| good	0.348 \| good	7.469 \| good	0.004 \| good
2025-09-17T12:00:00.000Z	22 \| good	3.596 \| good	9.893 \| good	20.858 \| good	0.419 \| good	7.555 \| good	0.004 \| good
2025-09-17T13:00:00.000Z	22 \| good	3.638 \| good	9.895 \| good	21.147 \| good	0.353 \| good	7.068 \| good	0.004 \| good
2025-09-17T14:00:00.000Z	22 \| good	3.899 \| good	8.862 \| good	21.951 \| good	0.442 \| good	6.267 \| good	0.004 \| good
2025-09-17T15:00:00.000Z	22 \| good	3.581 \| good	10.309 \| good	22.133 \| good	0.444 \| good	6.4 \| good	0.004 \| good
2025-09-17T16:00:00.000Z	22 \| good	3.721 \| good	9.424 \| good	22.882 \| good	0.441 \| good	6.314 \| good	0.004 \| good
2025-09-17T17:00:00.000Z	21 \| good	3.393 \| good	8.489 \| good	23.364 \| good	0.673 \| good	6.267 \| good	0.004 \| good
2025-09-17T18:00:00.000Z	22 \| good	3.527 \| good	8.558 \| good	22.523 \| good	0.442 \| good	6.4 \| good	0.004 \| good
2025-09-17T19:00:00.000Z	22 \| good	3.902 \| good	9.356 \| good	22.817 \| good	0.442 \| good	6.4 \| good	0.004 \| good
2025-09-17T20:00:00.000Z	22 \| good	3.898 \| good	8.194 \| good	22.936 \| good	0.354 \| good	6.4 \| good	0.004 \| good
2025-09-17T21:00:00.000Z	22 \| good	4.34 \| good	8.032 \| good	21.976 \| good	0.36 \| good	6.18 \| good	0.004 \| good
2025-09-17T22:00:00.000Z	22 \| good	3.933 \| good	8.452 \| good	23.776 \| good	0.354 \| good	5.96 \| good	0.003 \| good
2025-09-17T23:00:00.000Z	27 \| good	4.638 \| good	9.001 \| good	22.953 \| good	0.353 \| good	5.827 \| good	0.003 \| good
2025-09-18T00:00:00.000Z	22 \| good	3.003 \| good	6.413 \| good	24.493 \| good	0.382 \| good	3.114 \| good	0.208 \| good
2025-09-18T01:00:00.000Z	23 \| good	3.003 \| good	6.268 \| good	24.695 \| good	0.382 \| good	2.657 \| good	0.154 \| good
2025-09-18T02:00:00.000Z	22 \| good	2.957 \| good	6.113 \| good	24.292 \| good	0.382 \| good	2.338 \| good	0.195 \| good
2025-09-18T03:00:00.000Z	22 \| good	2.957 \| good	6.113 \| good	23.943 \| good	0.382 \| good	2.338 \| good	0.193 \| good
2025-09-18T03:00:00.000Z	23 \| good	2.875 \| good	5.648 \| good	24.827 \| good	0.382 \| good	1.776 \| good	0.195 \| good
2025-09-17T06:00:00.000Z	26 \| good	3.91 \| good	5.472 \| good	27.532 \| good	0.198 \| good	4.932 \| good	0.119 \| good
2025-09-17T07:00:00.000Z	28 \| good	3.916 \| good	5.988 \| good	29.688 \| good	0.215 \| good	7.04 \| good	0.123 \| good
2025-09-17T08:00:00.000Z	29 \| good	4.193 \| good	6.567 \| good	30.531 \| good	0.257 \| good	6.865 \| good	0.124 \| good
2025-09-17T09:00:00.000Z	30 \| good	4.378 \| good	7.444 \| good	32.341 \| good	0.254 \| good	5.593 \| good	0.122 \| good
2025-09-17T10:00:00.000Z	30 \| good	4.466 \| good	8.612 \| good	32.136 \| good	0.186 \| good	4.416 \| good	0.121 \| good
2025-09-17T11:00:00.000Z	31 \| good	4.795 \| good	9.259 \| good	32.617 \| good	0.163 \| good	4.063 \| good	0.12 \| good
2025-09-17T12:00:00.000Z	31 \| good	4.905 \| good	9.487 \| good	32.746 \| good	0.156 \| good	4.065 \| good	0.119 \| good
2025-09-17T13:00:00.000Z	30 \| good	5.005 \| good	9.057 \| good	32.437 \| good	0.139 \| good	3.953 \| good	0.119 \| good
2025-09-17T14:00:00.000Z	30 \| good	5.045 \| good	8.83 \| good	32.313 \| good	0.132 \| good	4.057 \| good	0.118 \| good
2025-09-17T15:00:00.000Z	30 \| good	5.155 \| good	8.87 \| good	32.298 \| good	0.129 \| good	4.119 \| good	0.116 \| good
2025-09-17T16:00:00.000Z	29 \| good	5.299 \| good	8.848 \| good	30.617 \| good	0.123 \| good	4.683 \| good	0.116 \| good
2025-09-17T17:00:00.000Z	28 \| good	5.321 \| good	8.582 \| good	29.61 \| good	0.148 \| good	5.401 \| good	0.116 \| good
2025-09-17T18:00:00.000Z	27 \| good	5.255 \| good	8.785 \| good	28.717 \| good	0.184 \| good	5.909 \| good	0.116 \| good
2025-09-17T19:00:00.000Z	27 \| good	4.836 \| good	9.046 \| good	28.394 \| good	0.188 \| good	5.048 \| good	0.114 \| good
2025-09-17T20:00:00.000Z	27 \| good	4.714 \| good	9.361 \| good	28.708 \| good	0.176 \| good	4.077 \| good	0.111 \| good
2025-09-17T21:00:00.000Z	27 \| good	4.743 \| good	8.798 \| good	28.377 \| good	0.15 \| good	3.445 \| good	0.11 \| good
2025-09-17T22:00:00.000Z	27 \| good	5.039 \| good	8.576 \| good	27.746 \| good	0.123 \| good	3.127 \| good	0.109 \| good
2025-09-17T23:00:00.000Z	27 \| good	4.975 \| good	8.403 \| good	27.535 \| good	0.086 \| good	2.856 \| good	0.107 \| good
2025-09-18T00:00:00.000Z	27 \| good	4.775 \| good	8.571 \| good	26.938 \| good	0.072 \| good	2.439 \| good	0.106 \| good
2025-09-18T01:00:00.000Z	27 \| good	4.605 \| good	9.195 \| good	26.19 \| good	0.064 \| good	2.106 \| good	0.104 \| good
2025-09-18T02:00:00.000Z	24 \| good	4.257 \| good	8.698 \| good	26.076 \| good	0.055 \| good	1.857 \| good	0.101 \| good
2025-09-18T03:00:00.000Z	24 \| good	3.962 \| good	8.08 \| good	25.828 \| good	0.056 \| good	1.631 \| good	0.1 \| good
2025-09-18T04:00:00.000Z	24 \| good	4.028 \| good	7.508 \| good	25.635 \| good	0.061 \| good	1.527 \| good	0.1 \| good
2025-09-18T05:00:00.000Z	24 \| good	3.861 \| good	5.845 \| good	25.554 \| good	0.087 \| good	1.64 \| good	0.101 \| good
2025-09-18T06:00:00.000Z	22 \| good	3.896 \| good	6.655 \| good	24.292 \| good	0.126 \| good	2.921 \| good	0.102 \| good
2025-09-18T07:00:00.000Z	22 \| good	4.093 \| good	7.524 \| good	23.874 \| good	0.145 \| good	4.726 \| good	0.104 \| good
2025-09-18T08:00:00.000Z	23 \| good	3.821 \| good	7.428 \| good	25.243 \| good	0.146 \| good	4.839 \| good	0.106 \| good
2025-09-18T09:00:00.000Z	26 \| good	3.639 \| good	6.909 \| good	27.721 \| good	0.123 \| good	4.06 \| good	0.107 \| good
2025-09-18T10:00:00.000Z	27 \| good	3.333 \| good	6.169 \| good	28.521 \| good	0.122 \| good	3.098 \| good	0.105 \| good
2025-09-18T11:00:00.000Z	27 \| good	3.183 \| good	5.909 \| good	29.421 \| good	0.111 \| good	2.765 \| good	0.104 \| good
2025-09-18T12:00:00.000Z	29 \| good	3.117 \| good	5.857 \| good	30.522 \| good	0.107 \| good	2.467 \| good	0.103 \| good
2025-09-18T13:00:00.000Z	28 \| good	3.094 \| good	6.109 \| good	30.341 \| good	0.109 \| good	2.402 \| good	0.102 \| good
2025-09-18T14:00:00.000Z	28 \| good	3.146 \| good	6.305 \| good	30.143 \| good	0.111 \| good	2.549 \| good	0.102 \| good
2025-09-18T15:00:00.000Z	28 \| good	3.24 \| good	6.493 \| good	29.708 \| good	0.118 \| good	2.993 \| good	0.103 \| good
2025-09-18T16:00:00.000Z	27 \| good	3.328 \| good	7.07 \| good	29.046 \| good	0.13 \| good	3.707 \| good	0.104 \| good
2025-09-18T17:00:00.000Z	26 \| good	3.566 \| good	7.608 \| good	27.706 \| good	0.12 \| good	4.524 \| good	0.106 \| good
2025-09-18T18:00:00.000Z	25 \| good	3.797 \| good	6.889 \| good	26.78 \| good	0.154 \| good	5.218 \| good	0.107 \| good
2025-09-18T19:00:00.000Z	25 \| good	3.284 \| good	6.779 \| good	27.014 \| good	0.188 \| good	5.184 \| good	0.106 \| good
2025-09-18T20:00:00.000Z	26 \| good	3.317 \| good	6.563 \| good	27.522 \| good	0.181 \| good	4.596 \| good	0.104 \| good
2025-09-18T21:00:00.000Z	26 \| good	3.457 \| good	6.451 \| good	27.585 \| good	0.177 \| good	3.902 \| good	0.104 \| good
2025-09-18T22:00:00.000Z	25 \| good	3.442 \| good	6.271 \| good	27.124 \| good	0.18 \| good	3.718 \| good	0.103 \| good
2025-09-18T23:00:00.000Z	25 \| good	3.28 \| good	6.082 \| good	26.947 \| good	0.148 \| good	3.275 \| good	0.102 \| good
2025-09-19T00:00:00.000Z	25 \| good	3.237 \| good	5.767 \| good	27.425 \| good	0.121 \| good	2.737 \| good	0.103 \| good
2025-09-19T01:00:00.000Z	25 \| good	3.182 \| good	5.722 \| good	26.902 \| good	0.113 \| good	2.171 \| good	0.1 \| good
2025-09-19T02:00:00.000Z	25 \| good	3.273 \| good	5.845 \| good	26.781 \| good	0.12 \| good	2.081 \| good	0.1 \| good
2025-09-19T03:00:00.000Z	24 \| good	3.589 \| good	6.322 \| good	26.195 \| good	0.131 \| good	2.108 \| good	0.102 \| good
2025-09-19T04:00:00.000Z	24 \| good	3.964 \| good	6.704 \| good	25.577 \| good	0.146 \| good	2.182 \| good	0.103 \| good
2025-09-19T05:00:00.000Z	27 \| good	4.525 \| good	7.112 \| good	25.285 \| good	0.183 \| good	2.663 \| good	0.105 \| good

Live air quality index in Hatfield, Hertfordshire today

Major air pollutants in Hatfield, Hertfordshire

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Hatfield, Hertfordshire air quality forecast and history

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

Air quality in nearby cities

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Hertford, Hertfordshire

Harpenden, Hertfordshire

Borehamwood, Hertfordshire

How accurate is Hertfordshire, UK air quality data?

Air quality levels in UK

Frequently asked questions

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

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What is the PM2.5 level in Hatfield, Hertfordshire at the moment?

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

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

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

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

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

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

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

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

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