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

Currently, Hatfield, Hertfordshire has a sulfur dioxide (SO2) concentration of 0.629 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 27.919 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 3.974 ppb.

Live air quality index in Hatfield, Hertfordshire today

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

PM2.5 levels in Hatfield, Hertfordshire are currently 13.989 μg/m3.

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

The PM10 concentration in Hatfield, Hertfordshire is 17.745 μg/m3 at the moment.

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)

Moderate

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)

13.99 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

17.75 μg/m³

155

255

425

605+

Ozone (O₃)

27.92 ppb

201

201+

Sulfur Dioxide (SO₂)

0.63 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.97 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.74 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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
2026-03-05T03:00:00.000Z	102 \| sensitive	35.524 \| moderate	97.689 \| fine	2.535 \| good	0.72 \| good	22.452 \| good	0.44 \| good
2026-03-05T04:00:00.000Z	105 \| sensitive	36.741 \| moderate	46.2 \| good	2.5 \| good	0.763 \| good	29.638 \| good	0.51 \| good
2026-03-05T05:00:00.000Z	110 \| sensitive	38.935 \| moderate	106.757 \| fine	4.699 \| good	0.822 \| good	23.205 \| good	0.593 \| good
2026-03-05T06:00:00.000Z	96 \| moderate	32.822 \| fine	40.534 \| good	1.344 \| good	0.915 \| good	21.047 \| good	0.501 \| good
2026-03-05T07:00:00.000Z	96 \| moderate	33.118 \| fine	99.035 \| fine	3.002 \| good	0.945 \| good	29.581 \| good	0.019 \| good
2026-03-05T08:00:00.000Z	84 \| moderate	27.222 \| fine	60.139 \| fine	1.705 \| good	1.158 \| good	27.447 \| good	0.016 \| good
2026-03-05T09:00:00.000Z	110 \| sensitive	38.889 \| moderate	83.043 \| fine	1.896 \| good	1.376 \| good	29.745 \| good	0.017 \| good
2026-03-05T10:00:00.000Z	115 \| sensitive	41.412 \| moderate	76.187 \| fine	0.99 \| good	1.043 \| good	29.274 \| good	0.011 \| good
2026-03-05T11:00:00.000Z	90 \| moderate	29.657 \| fine	86.319 \| fine	2.391 \| good	1.105 \| good	24.236 \| good	0.009 \| good
2026-03-05T12:00:00.000Z	117 \| sensitive	42.042 \| moderate	71.448 \| fine	3.981 \| good	0.876 \| good	30.207 \| good	0.008 \| good
2026-03-05T13:00:00.000Z	102 \| sensitive	36.129 \| moderate	64.491 \| fine	7.374 \| good	1.272 \| good	28.819 \| good	0.007 \| good
2026-03-05T14:00:00.000Z	94 \| moderate	31.503 \| fine	78.326 \| fine	14.571 \| good	1.056 \| good	17.744 \| good	0.48 \| good
2026-03-05T15:00:00.000Z	92 \| moderate	30.719 \| fine	74.795 \| fine	15.319 \| good	0.854 \| good	14.281 \| good	0.181 \| good
2026-03-05T16:00:00.000Z	94 \| moderate	31.567 \| fine	66.432 \| fine	18.919 \| good	0.9 \| good	20.806 \| good	0.188 \| good
2026-03-05T17:00:00.000Z	86 \| moderate	27.959 \| fine	75.524 \| fine	30.718 \| good	0.995 \| good	15.029 \| good	0.196 \| good
2026-03-05T18:00:00.000Z	92 \| moderate	31.083 \| fine	55.647 \| fine	22.678 \| good	1.183 \| good	24.654 \| good	0.265 \| good
2026-03-05T19:00:00.000Z	79 \| moderate	24.174 \| fine	41.382 \| good	13.066 \| good	1.184 \| good	27.157 \| good	0.229 \| good
2026-03-05T20:00:00.000Z	81 \| moderate	25.089 \| fine	52.378 \| good	18.627 \| good	1.126 \| good	31.527 \| good	0.596 \| good
2026-03-05T21:00:00.000Z	105 \| sensitive	36.519 \| moderate	73 \| fine	19.854 \| good	0.633 \| good	30.52 \| good	0.03 \| good
2026-03-05T22:00:00.000Z	88 \| moderate	28.589 \| fine	37.42 \| good	9.834 \| good	1.022 \| good	31.598 \| good	0.032 \| good
2026-03-05T23:00:00.000Z	94 \| moderate	32.499 \| fine	89.29 \| fine	15.237 \| good	0.639 \| good	22.435 \| good	0.034 \| good
2026-03-06T00:00:00.000Z	73 \| moderate	21.36 \| fine	74.292 \| fine	16.512 \| good	0.923 \| good	32.053 \| good	0.763 \| good
2026-03-06T01:00:00.000Z	79 \| moderate	24.452 \| fine	66.54 \| fine	16.526 \| good	0.844 \| good	31.143 \| good	0.666 \| good
2026-03-06T02:00:00.000Z	77 \| moderate	23.05 \| fine	44.6 \| good	8.677 \| good	0.917 \| good	28.655 \| good	0.555 \| good
2026-03-06T03:00:00.000Z	79 \| moderate	23.815 \| fine	44.4 \| good	9.884 \| good	0.901 \| good	27.225 \| good	0.553 \| good
2026-03-06T04:00:00.000Z	79 \| moderate	23.745 \| fine	56.132 \| fine	6.856 \| good	0.631 \| good	30.776 \| good	0.459 \| good
2026-03-06T05:00:00.000Z	79 \| moderate	24.343 \| fine	49.4 \| good	10.394 \| good	0.636 \| good	27.447 \| good	0.481 \| good
2026-03-06T06:00:00.000Z	71 \| moderate	20.228 \| fine	34.205 \| good	5.294 \| good	0.734 \| good	20.841 \| good	0.483 \| good
2026-03-06T07:00:00.000Z	79 \| moderate	24.087 \| fine	59.8 \| fine	4.332 \| good	1.037 \| good	22.128 \| good	0.015 \| good
2026-03-06T08:00:00.000Z	62 \| moderate	14.98 \| fine	40.423 \| good	4.5 \| good	1.019 \| good	12.537 \| good	0.022 \| good
2026-03-06T09:00:00.000Z	77 \| moderate	22.819 \| fine	46.753 \| good	4.856 \| good	0.535 \| good	13.038 \| good	0.021 \| good
2026-03-06T10:00:00.000Z	71 \| moderate	19.584 \| fine	36.924 \| good	5.476 \| good	0.763 \| good	18.751 \| good	0.017 \| good
2026-03-06T11:00:00.000Z	79 \| moderate	23.92 \| fine	34.258 \| good	11.745 \| good	0.621 \| good	20.634 \| good	0.015 \| good
2026-03-06T12:00:00.000Z	77 \| moderate	22.875 \| fine	36.865 \| good	7.277 \| good	0.632 \| good	20.249 \| good	0.011 \| good
2026-03-06T13:00:00.000Z	79 \| moderate	24.169 \| fine	54.317 \| good	14.029 \| good	0.671 \| good	14.663 \| good	0.008 \| good
2026-03-06T14:00:00.000Z	79 \| moderate	23.989 \| fine	56.344 \| fine	12.033 \| good	0.69 \| good	21.397 \| good	0.007 \| good
2026-03-06T15:00:00.000Z	67 \| moderate	18.231 \| fine	42.206 \| good	9.284 \| good	0.583 \| good	21.367 \| good	0.007 \| good
2026-03-06T16:00:00.000Z	79 \| moderate	24.26 \| fine	42.547 \| good	12.284 \| good	0.741 \| good	21.841 \| good	0.008 \| good
2026-03-06T17:00:00.000Z	75 \| moderate	22.239 \| fine	35.645 \| good	13.733 \| good	0.653 \| good	18.693 \| good	0.009 \| good
2026-03-06T18:00:00.000Z	67 \| moderate	18.486 \| fine	49.86 \| good	16.736 \| good	0.712 \| good	12.232 \| good	0.01 \| good
2026-03-06T19:00:00.000Z	75 \| moderate	21.772 \| fine	47.74 \| good	21.454 \| good	0.684 \| good	9.762 \| good	0.014 \| good
2026-03-06T20:00:00.000Z	82 \| moderate	25.781 \| fine	49.807 \| good	20.116 \| good	0.928 \| good	27.438 \| good	0.032 \| good
2026-03-06T21:00:00.000Z	77 \| moderate	23.337 \| fine	66.74 \| fine	18.851 \| good	0.818 \| good	18.792 \| good	0.042 \| good
2026-03-06T22:00:00.000Z	71 \| moderate	20.214 \| fine	76.49 \| fine	21.597 \| good	0.813 \| good	10.861 \| good	0.028 \| good
2026-03-06T23:00:00.000Z	77 \| moderate	23.128 \| fine	52.153 \| good	18.714 \| good	0.728 \| good	9.318 \| good	0.034 \| good
2026-03-07T00:00:00.000Z	75 \| moderate	22.17 \| fine	43.358 \| good	21.789 \| good	0.695 \| good	4.62 \| good	0.934 \| good
2026-03-07T01:00:00.000Z	52 \| moderate	10.274 \| good	33.549 \| good	23.558 \| good	0.726 \| good	5.327 \| good	0.792 \| good
2026-03-07T02:00:00.000Z	60 \| moderate	13.989 \| fine	17.745 \| good	27.919 \| good	0.629 \| good	3.974 \| good	0.74 \| good
2026-03-07T02:00:00.000Z	60 \| moderate	13.989 \| fine	17.745 \| good	27.919 \| good	0.629 \| good	3.974 \| good	0.74 \| good
2026-03-07T03:00:00.000Z	44 \| good	8.095 \| good	11.139 \| good	25.538 \| good	0.212 \| good	2.895 \| good	0.152 \| good
2026-03-07T04:00:00.000Z	44 \| good	7.72 \| good	10.973 \| good	25.691 \| good	0.206 \| good	2.684 \| good	0.151 \| good
2026-03-07T05:00:00.000Z	38 \| good	7.461 \| good	10.271 \| good	25.842 \| good	0.203 \| good	2.582 \| good	0.15 \| good
2026-03-07T06:00:00.000Z	38 \| good	7.452 \| good	10.812 \| good	28.353 \| good	0.22 \| good	2.642 \| good	0.149 \| good
2026-03-07T07:00:00.000Z	38 \| good	7.057 \| good	10.742 \| good	27.855 \| good	0.33 \| good	3.065 \| good	0.151 \| good
2026-03-07T08:00:00.000Z	38 \| good	7.275 \| good	10.925 \| good	26.955 \| good	0.441 \| good	3.92 \| good	0.154 \| good
2026-03-07T09:00:00.000Z	38 \| good	7.355 \| good	11.282 \| good	27.426 \| good	0.397 \| good	3.859 \| good	0.155 \| good
2026-03-07T10:00:00.000Z	38 \| good	7.261 \| good	11.351 \| good	25.65 \| good	0.373 \| good	3.982 \| good	0.157 \| good
2026-03-07T11:00:00.000Z	38 \| good	6.708 \| good	11.386 \| good	24.148 \| good	0.305 \| good	4.004 \| good	0.156 \| good
2026-03-07T12:00:00.000Z	38 \| good	6.683 \| good	12.196 \| good	24.634 \| good	0.304 \| good	4.282 \| good	0.157 \| good
2026-03-07T13:00:00.000Z	38 \| good	7.407 \| good	13.342 \| good	27.276 \| good	0.299 \| good	4.256 \| good	0.158 \| good
2026-03-07T14:00:00.000Z	49 \| good	8.926 \| good	13.861 \| good	27.702 \| good	0.302 \| good	4.36 \| good	0.159 \| good
2026-03-07T15:00:00.000Z	52 \| moderate	9.736 \| good	15.17 \| good	28.369 \| good	0.319 \| good	4.487 \| good	0.159 \| good
2026-03-07T16:00:00.000Z	52 \| moderate	10.16 \| good	17.328 \| good	26.732 \| good	0.314 \| good	5.056 \| good	0.162 \| good
2026-03-07T17:00:00.000Z	54 \| moderate	10.66 \| good	17.75 \| good	23.392 \| good	0.424 \| good	5.861 \| good	0.17 \| good
2026-03-07T18:00:00.000Z	56 \| moderate	11.555 \| good	18.619 \| good	20.877 \| good	0.622 \| good	9.554 \| good	0.181 \| good
2026-03-07T19:00:00.000Z	56 \| moderate	11.531 \| good	18.87 \| good	22.047 \| good	0.649 \| good	11.14 \| good	0.191 \| good
2026-03-07T20:00:00.000Z	56 \| moderate	11.673 \| good	19.298 \| good	23.145 \| good	0.721 \| good	10.359 \| good	0.183 \| good
2026-03-07T21:00:00.000Z	56 \| moderate	12.453 \| fine	20.457 \| good	23.157 \| good	0.764 \| good	9.26 \| good	0.179 \| good
2026-03-07T22:00:00.000Z	60 \| moderate	13.686 \| fine	21.421 \| good	21.587 \| good	0.661 \| good	8.211 \| good	0.176 \| good
2026-03-07T23:00:00.000Z	60 \| moderate	14.276 \| fine	22.392 \| good	23.196 \| good	0.542 \| good	6.472 \| good	0.172 \| good
2026-03-08T00:00:00.000Z	60 \| moderate	14.367 \| fine	22.879 \| good	24.111 \| good	0.429 \| good	5.918 \| good	0.17 \| good
2026-03-08T01:00:00.000Z	60 \| moderate	14.224 \| fine	22.666 \| good	24.05 \| good	0.209 \| good	5.282 \| good	0.166 \| good
2026-03-08T02:00:00.000Z	62 \| moderate	14.77 \| fine	21.936 \| good	23.479 \| good	0.168 \| good	4.639 \| good	0.163 \| good
2026-03-08T03:00:00.000Z	60 \| moderate	14.308 \| fine	21.155 \| good	25.721 \| good	0.144 \| good	3.743 \| good	0.161 \| good
2026-03-08T04:00:00.000Z	62 \| moderate	14.575 \| fine	24.09 \| good	26.407 \| good	0.125 \| good	3.217 \| good	0.159 \| good
2026-03-08T05:00:00.000Z	62 \| moderate	15.132 \| fine	26.642 \| good	25.033 \| good	0.144 \| good	2.83 \| good	0.159 \| good
2026-03-08T06:00:00.000Z	64 \| moderate	16.067 \| fine	28.88 \| good	25.156 \| good	0.26 \| good	3.31 \| good	0.163 \| good
2026-03-08T07:00:00.000Z	66 \| moderate	17.262 \| fine	31.348 \| good	24.639 \| good	0.368 \| good	4.396 \| good	0.163 \| good
2026-03-08T08:00:00.000Z	66 \| moderate	16.718 \| fine	34.034 \| good	23.928 \| good	0.438 \| good	4.73 \| good	0.171 \| good
2026-03-08T09:00:00.000Z	66 \| moderate	17.314 \| fine	34.659 \| good	21.945 \| good	0.429 \| good	5.218 \| good	0.181 \| good
2026-03-08T10:00:00.000Z	66 \| moderate	16.555 \| fine	32.984 \| good	22.53 \| good	0.482 \| good	4.978 \| good	0.19 \| good
2026-03-08T11:00:00.000Z	67 \| moderate	18.217 \| fine	32.116 \| good	21.778 \| good	0.492 \| good	5.512 \| good	0.197 \| good
2026-03-08T12:00:00.000Z	84 \| moderate	27.491 \| fine	35.161 \| good	22.029 \| good	0.538 \| good	6.401 \| good	0.203 \| good
2026-03-08T13:00:00.000Z	90 \| moderate	30.214 \| fine	39.564 \| good	24.241 \| good	0.646 \| good	7.783 \| good	0.208 \| good
2026-03-08T14:00:00.000Z	105 \| sensitive	37.26 \| moderate	42.285 \| good	27.535 \| good	0.633 \| good	7.233 \| good	0.215 \| good
2026-03-08T15:00:00.000Z	112 \| sensitive	39.623 \| moderate	45.779 \| good	27.746 \| good	0.65 \| good	8.27 \| good	0.221 \| good
2026-03-08T16:00:00.000Z	115 \| sensitive	41.271 \| moderate	51.723 \| good	27.901 \| good	0.593 \| good	10.242 \| good	0.227 \| good
2026-03-08T17:00:00.000Z	117 \| sensitive	41.987 \| moderate	54.201 \| good	26.729 \| good	0.626 \| good	13.238 \| good	0.24 \| good
2026-03-08T18:00:00.000Z	122 \| sensitive	43.95 \| moderate	55.703 \| fine	21.218 \| good	0.831 \| good	15.189 \| good	0.253 \| good
2026-03-08T19:00:00.000Z	129 \| sensitive	46.744 \| moderate	60.159 \| fine	13.876 \| good	1.059 \| good	17.728 \| good	0.279 \| good
2026-03-08T20:00:00.000Z	144 \| sensitive	53.178 \| moderate	65.917 \| fine	10.378 \| good	0.925 \| good	19.296 \| good	0.295 \| good
2026-03-08T21:00:00.000Z	152 \| unhealthy	57.438 \| poor	68.885 \| fine	9.5 \| good	0.966 \| good	21.917 \| good	0.306 \| good
2026-03-08T22:00:00.000Z	156 \| unhealthy	62.42 \| poor	70.307 \| fine	7.29 \| good	0.723 \| good	22.627 \| good	0.312 \| good
2026-03-08T23:00:00.000Z	156 \| unhealthy	62.285 \| poor	70.955 \| fine	5.872 \| good	0.784 \| good	23.051 \| good	0.317 \| good
2026-03-09T00:00:00.000Z	151 \| unhealthy	56.398 \| poor	67.404 \| fine	4.673 \| good	0.786 \| good	22.897 \| good	0.309 \| good
2026-03-09T01:00:00.000Z	142 \| sensitive	52.47 \| moderate	62.619 \| fine	6.953 \| good	0.63 \| good	21.279 \| good	0.294 \| good
2026-03-09T02:00:00.000Z	144 \| sensitive	53.014 \| moderate	59.842 \| fine	6.56 \| good	0.587 \| good	21.221 \| good	0.294 \| good

Hatfield

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

0.79ppm

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 2026-03-06.

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 01:00:00 on 2026-03-07.

What is the AQI in Hatfield, Hertfordshire right now?

As of now, the AQI in Hatfield, Hertfordshire is 60, indicating Moderate 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 13.989 μg/m³.

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

The PM₁₀ concentration in Hatfield, Hertfordshire is 17.745 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 0.74 ppm.

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

Currently, Hatfield, Hertfordshire has a sulfur dioxide (SO₂) concentration of 0.629 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 27.919 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 3.974 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-03-05T03:00:00.000Z	102 \| sensitive	35.524 \| moderate	97.689 \| fine	2.535 \| good	0.72 \| good	22.452 \| good	0.44 \| good
2026-03-05T04:00:00.000Z	105 \| sensitive	36.741 \| moderate	46.2 \| good	2.5 \| good	0.763 \| good	29.638 \| good	0.51 \| good
2026-03-05T05:00:00.000Z	110 \| sensitive	38.935 \| moderate	106.757 \| fine	4.699 \| good	0.822 \| good	23.205 \| good	0.593 \| good
2026-03-05T06:00:00.000Z	96 \| moderate	32.822 \| fine	40.534 \| good	1.344 \| good	0.915 \| good	21.047 \| good	0.501 \| good
2026-03-05T07:00:00.000Z	96 \| moderate	33.118 \| fine	99.035 \| fine	3.002 \| good	0.945 \| good	29.581 \| good	0.019 \| good
2026-03-05T08:00:00.000Z	84 \| moderate	27.222 \| fine	60.139 \| fine	1.705 \| good	1.158 \| good	27.447 \| good	0.016 \| good
2026-03-05T09:00:00.000Z	110 \| sensitive	38.889 \| moderate	83.043 \| fine	1.896 \| good	1.376 \| good	29.745 \| good	0.017 \| good
2026-03-05T10:00:00.000Z	115 \| sensitive	41.412 \| moderate	76.187 \| fine	0.99 \| good	1.043 \| good	29.274 \| good	0.011 \| good
2026-03-05T11:00:00.000Z	90 \| moderate	29.657 \| fine	86.319 \| fine	2.391 \| good	1.105 \| good	24.236 \| good	0.009 \| good
2026-03-05T12:00:00.000Z	117 \| sensitive	42.042 \| moderate	71.448 \| fine	3.981 \| good	0.876 \| good	30.207 \| good	0.008 \| good
2026-03-05T13:00:00.000Z	102 \| sensitive	36.129 \| moderate	64.491 \| fine	7.374 \| good	1.272 \| good	28.819 \| good	0.007 \| good
2026-03-05T14:00:00.000Z	94 \| moderate	31.503 \| fine	78.326 \| fine	14.571 \| good	1.056 \| good	17.744 \| good	0.48 \| good
2026-03-05T15:00:00.000Z	92 \| moderate	30.719 \| fine	74.795 \| fine	15.319 \| good	0.854 \| good	14.281 \| good	0.181 \| good
2026-03-05T16:00:00.000Z	94 \| moderate	31.567 \| fine	66.432 \| fine	18.919 \| good	0.9 \| good	20.806 \| good	0.188 \| good
2026-03-05T17:00:00.000Z	86 \| moderate	27.959 \| fine	75.524 \| fine	30.718 \| good	0.995 \| good	15.029 \| good	0.196 \| good
2026-03-05T18:00:00.000Z	92 \| moderate	31.083 \| fine	55.647 \| fine	22.678 \| good	1.183 \| good	24.654 \| good	0.265 \| good
2026-03-05T19:00:00.000Z	79 \| moderate	24.174 \| fine	41.382 \| good	13.066 \| good	1.184 \| good	27.157 \| good	0.229 \| good
2026-03-05T20:00:00.000Z	81 \| moderate	25.089 \| fine	52.378 \| good	18.627 \| good	1.126 \| good	31.527 \| good	0.596 \| good
2026-03-05T21:00:00.000Z	105 \| sensitive	36.519 \| moderate	73 \| fine	19.854 \| good	0.633 \| good	30.52 \| good	0.03 \| good
2026-03-05T22:00:00.000Z	88 \| moderate	28.589 \| fine	37.42 \| good	9.834 \| good	1.022 \| good	31.598 \| good	0.032 \| good
2026-03-05T23:00:00.000Z	94 \| moderate	32.499 \| fine	89.29 \| fine	15.237 \| good	0.639 \| good	22.435 \| good	0.034 \| good
2026-03-06T00:00:00.000Z	73 \| moderate	21.36 \| fine	74.292 \| fine	16.512 \| good	0.923 \| good	32.053 \| good	0.763 \| good
2026-03-06T01:00:00.000Z	79 \| moderate	24.452 \| fine	66.54 \| fine	16.526 \| good	0.844 \| good	31.143 \| good	0.666 \| good
2026-03-06T02:00:00.000Z	77 \| moderate	23.05 \| fine	44.6 \| good	8.677 \| good	0.917 \| good	28.655 \| good	0.555 \| good
2026-03-06T03:00:00.000Z	79 \| moderate	23.815 \| fine	44.4 \| good	9.884 \| good	0.901 \| good	27.225 \| good	0.553 \| good
2026-03-06T04:00:00.000Z	79 \| moderate	23.745 \| fine	56.132 \| fine	6.856 \| good	0.631 \| good	30.776 \| good	0.459 \| good
2026-03-06T05:00:00.000Z	79 \| moderate	24.343 \| fine	49.4 \| good	10.394 \| good	0.636 \| good	27.447 \| good	0.481 \| good
2026-03-06T06:00:00.000Z	71 \| moderate	20.228 \| fine	34.205 \| good	5.294 \| good	0.734 \| good	20.841 \| good	0.483 \| good
2026-03-06T07:00:00.000Z	79 \| moderate	24.087 \| fine	59.8 \| fine	4.332 \| good	1.037 \| good	22.128 \| good	0.015 \| good
2026-03-06T08:00:00.000Z	62 \| moderate	14.98 \| fine	40.423 \| good	4.5 \| good	1.019 \| good	12.537 \| good	0.022 \| good
2026-03-06T09:00:00.000Z	77 \| moderate	22.819 \| fine	46.753 \| good	4.856 \| good	0.535 \| good	13.038 \| good	0.021 \| good
2026-03-06T10:00:00.000Z	71 \| moderate	19.584 \| fine	36.924 \| good	5.476 \| good	0.763 \| good	18.751 \| good	0.017 \| good
2026-03-06T11:00:00.000Z	79 \| moderate	23.92 \| fine	34.258 \| good	11.745 \| good	0.621 \| good	20.634 \| good	0.015 \| good
2026-03-06T12:00:00.000Z	77 \| moderate	22.875 \| fine	36.865 \| good	7.277 \| good	0.632 \| good	20.249 \| good	0.011 \| good
2026-03-06T13:00:00.000Z	79 \| moderate	24.169 \| fine	54.317 \| good	14.029 \| good	0.671 \| good	14.663 \| good	0.008 \| good
2026-03-06T14:00:00.000Z	79 \| moderate	23.989 \| fine	56.344 \| fine	12.033 \| good	0.69 \| good	21.397 \| good	0.007 \| good
2026-03-06T15:00:00.000Z	67 \| moderate	18.231 \| fine	42.206 \| good	9.284 \| good	0.583 \| good	21.367 \| good	0.007 \| good
2026-03-06T16:00:00.000Z	79 \| moderate	24.26 \| fine	42.547 \| good	12.284 \| good	0.741 \| good	21.841 \| good	0.008 \| good
2026-03-06T17:00:00.000Z	75 \| moderate	22.239 \| fine	35.645 \| good	13.733 \| good	0.653 \| good	18.693 \| good	0.009 \| good
2026-03-06T18:00:00.000Z	67 \| moderate	18.486 \| fine	49.86 \| good	16.736 \| good	0.712 \| good	12.232 \| good	0.01 \| good
2026-03-06T19:00:00.000Z	75 \| moderate	21.772 \| fine	47.74 \| good	21.454 \| good	0.684 \| good	9.762 \| good	0.014 \| good
2026-03-06T20:00:00.000Z	82 \| moderate	25.781 \| fine	49.807 \| good	20.116 \| good	0.928 \| good	27.438 \| good	0.032 \| good
2026-03-06T21:00:00.000Z	77 \| moderate	23.337 \| fine	66.74 \| fine	18.851 \| good	0.818 \| good	18.792 \| good	0.042 \| good
2026-03-06T22:00:00.000Z	71 \| moderate	20.214 \| fine	76.49 \| fine	21.597 \| good	0.813 \| good	10.861 \| good	0.028 \| good
2026-03-06T23:00:00.000Z	77 \| moderate	23.128 \| fine	52.153 \| good	18.714 \| good	0.728 \| good	9.318 \| good	0.034 \| good
2026-03-07T00:00:00.000Z	75 \| moderate	22.17 \| fine	43.358 \| good	21.789 \| good	0.695 \| good	4.62 \| good	0.934 \| good
2026-03-07T01:00:00.000Z	52 \| moderate	10.274 \| good	33.549 \| good	23.558 \| good	0.726 \| good	5.327 \| good	0.792 \| good
2026-03-07T02:00:00.000Z	60 \| moderate	13.989 \| fine	17.745 \| good	27.919 \| good	0.629 \| good	3.974 \| good	0.74 \| good
2026-03-07T02:00:00.000Z	60 \| moderate	13.989 \| fine	17.745 \| good	27.919 \| good	0.629 \| good	3.974 \| good	0.74 \| good
2026-03-07T03:00:00.000Z	44 \| good	8.095 \| good	11.139 \| good	25.538 \| good	0.212 \| good	2.895 \| good	0.152 \| good
2026-03-07T04:00:00.000Z	44 \| good	7.72 \| good	10.973 \| good	25.691 \| good	0.206 \| good	2.684 \| good	0.151 \| good
2026-03-07T05:00:00.000Z	38 \| good	7.461 \| good	10.271 \| good	25.842 \| good	0.203 \| good	2.582 \| good	0.15 \| good
2026-03-07T06:00:00.000Z	38 \| good	7.452 \| good	10.812 \| good	28.353 \| good	0.22 \| good	2.642 \| good	0.149 \| good
2026-03-07T07:00:00.000Z	38 \| good	7.057 \| good	10.742 \| good	27.855 \| good	0.33 \| good	3.065 \| good	0.151 \| good
2026-03-07T08:00:00.000Z	38 \| good	7.275 \| good	10.925 \| good	26.955 \| good	0.441 \| good	3.92 \| good	0.154 \| good
2026-03-07T09:00:00.000Z	38 \| good	7.355 \| good	11.282 \| good	27.426 \| good	0.397 \| good	3.859 \| good	0.155 \| good
2026-03-07T10:00:00.000Z	38 \| good	7.261 \| good	11.351 \| good	25.65 \| good	0.373 \| good	3.982 \| good	0.157 \| good
2026-03-07T11:00:00.000Z	38 \| good	6.708 \| good	11.386 \| good	24.148 \| good	0.305 \| good	4.004 \| good	0.156 \| good
2026-03-07T12:00:00.000Z	38 \| good	6.683 \| good	12.196 \| good	24.634 \| good	0.304 \| good	4.282 \| good	0.157 \| good
2026-03-07T13:00:00.000Z	38 \| good	7.407 \| good	13.342 \| good	27.276 \| good	0.299 \| good	4.256 \| good	0.158 \| good
2026-03-07T14:00:00.000Z	49 \| good	8.926 \| good	13.861 \| good	27.702 \| good	0.302 \| good	4.36 \| good	0.159 \| good
2026-03-07T15:00:00.000Z	52 \| moderate	9.736 \| good	15.17 \| good	28.369 \| good	0.319 \| good	4.487 \| good	0.159 \| good
2026-03-07T16:00:00.000Z	52 \| moderate	10.16 \| good	17.328 \| good	26.732 \| good	0.314 \| good	5.056 \| good	0.162 \| good
2026-03-07T17:00:00.000Z	54 \| moderate	10.66 \| good	17.75 \| good	23.392 \| good	0.424 \| good	5.861 \| good	0.17 \| good
2026-03-07T18:00:00.000Z	56 \| moderate	11.555 \| good	18.619 \| good	20.877 \| good	0.622 \| good	9.554 \| good	0.181 \| good
2026-03-07T19:00:00.000Z	56 \| moderate	11.531 \| good	18.87 \| good	22.047 \| good	0.649 \| good	11.14 \| good	0.191 \| good
2026-03-07T20:00:00.000Z	56 \| moderate	11.673 \| good	19.298 \| good	23.145 \| good	0.721 \| good	10.359 \| good	0.183 \| good
2026-03-07T21:00:00.000Z	56 \| moderate	12.453 \| fine	20.457 \| good	23.157 \| good	0.764 \| good	9.26 \| good	0.179 \| good
2026-03-07T22:00:00.000Z	60 \| moderate	13.686 \| fine	21.421 \| good	21.587 \| good	0.661 \| good	8.211 \| good	0.176 \| good
2026-03-07T23:00:00.000Z	60 \| moderate	14.276 \| fine	22.392 \| good	23.196 \| good	0.542 \| good	6.472 \| good	0.172 \| good
2026-03-08T00:00:00.000Z	60 \| moderate	14.367 \| fine	22.879 \| good	24.111 \| good	0.429 \| good	5.918 \| good	0.17 \| good
2026-03-08T01:00:00.000Z	60 \| moderate	14.224 \| fine	22.666 \| good	24.05 \| good	0.209 \| good	5.282 \| good	0.166 \| good
2026-03-08T02:00:00.000Z	62 \| moderate	14.77 \| fine	21.936 \| good	23.479 \| good	0.168 \| good	4.639 \| good	0.163 \| good
2026-03-08T03:00:00.000Z	60 \| moderate	14.308 \| fine	21.155 \| good	25.721 \| good	0.144 \| good	3.743 \| good	0.161 \| good
2026-03-08T04:00:00.000Z	62 \| moderate	14.575 \| fine	24.09 \| good	26.407 \| good	0.125 \| good	3.217 \| good	0.159 \| good
2026-03-08T05:00:00.000Z	62 \| moderate	15.132 \| fine	26.642 \| good	25.033 \| good	0.144 \| good	2.83 \| good	0.159 \| good
2026-03-08T06:00:00.000Z	64 \| moderate	16.067 \| fine	28.88 \| good	25.156 \| good	0.26 \| good	3.31 \| good	0.163 \| good
2026-03-08T07:00:00.000Z	66 \| moderate	17.262 \| fine	31.348 \| good	24.639 \| good	0.368 \| good	4.396 \| good	0.163 \| good
2026-03-08T08:00:00.000Z	66 \| moderate	16.718 \| fine	34.034 \| good	23.928 \| good	0.438 \| good	4.73 \| good	0.171 \| good
2026-03-08T09:00:00.000Z	66 \| moderate	17.314 \| fine	34.659 \| good	21.945 \| good	0.429 \| good	5.218 \| good	0.181 \| good
2026-03-08T10:00:00.000Z	66 \| moderate	16.555 \| fine	32.984 \| good	22.53 \| good	0.482 \| good	4.978 \| good	0.19 \| good
2026-03-08T11:00:00.000Z	67 \| moderate	18.217 \| fine	32.116 \| good	21.778 \| good	0.492 \| good	5.512 \| good	0.197 \| good
2026-03-08T12:00:00.000Z	84 \| moderate	27.491 \| fine	35.161 \| good	22.029 \| good	0.538 \| good	6.401 \| good	0.203 \| good
2026-03-08T13:00:00.000Z	90 \| moderate	30.214 \| fine	39.564 \| good	24.241 \| good	0.646 \| good	7.783 \| good	0.208 \| good
2026-03-08T14:00:00.000Z	105 \| sensitive	37.26 \| moderate	42.285 \| good	27.535 \| good	0.633 \| good	7.233 \| good	0.215 \| good
2026-03-08T15:00:00.000Z	112 \| sensitive	39.623 \| moderate	45.779 \| good	27.746 \| good	0.65 \| good	8.27 \| good	0.221 \| good
2026-03-08T16:00:00.000Z	115 \| sensitive	41.271 \| moderate	51.723 \| good	27.901 \| good	0.593 \| good	10.242 \| good	0.227 \| good
2026-03-08T17:00:00.000Z	117 \| sensitive	41.987 \| moderate	54.201 \| good	26.729 \| good	0.626 \| good	13.238 \| good	0.24 \| good
2026-03-08T18:00:00.000Z	122 \| sensitive	43.95 \| moderate	55.703 \| fine	21.218 \| good	0.831 \| good	15.189 \| good	0.253 \| good
2026-03-08T19:00:00.000Z	129 \| sensitive	46.744 \| moderate	60.159 \| fine	13.876 \| good	1.059 \| good	17.728 \| good	0.279 \| good
2026-03-08T20:00:00.000Z	144 \| sensitive	53.178 \| moderate	65.917 \| fine	10.378 \| good	0.925 \| good	19.296 \| good	0.295 \| good
2026-03-08T21:00:00.000Z	152 \| unhealthy	57.438 \| poor	68.885 \| fine	9.5 \| good	0.966 \| good	21.917 \| good	0.306 \| good
2026-03-08T22:00:00.000Z	156 \| unhealthy	62.42 \| poor	70.307 \| fine	7.29 \| good	0.723 \| good	22.627 \| good	0.312 \| good
2026-03-08T23:00:00.000Z	156 \| unhealthy	62.285 \| poor	70.955 \| fine	5.872 \| good	0.784 \| good	23.051 \| good	0.317 \| good
2026-03-09T00:00:00.000Z	151 \| unhealthy	56.398 \| poor	67.404 \| fine	4.673 \| good	0.786 \| good	22.897 \| good	0.309 \| good
2026-03-09T01:00:00.000Z	142 \| sensitive	52.47 \| moderate	62.619 \| fine	6.953 \| good	0.63 \| good	21.279 \| good	0.294 \| good
2026-03-09T02:00:00.000Z	144 \| sensitive	53.014 \| moderate	59.842 \| fine	6.56 \| good	0.587 \| good	21.221 \| good	0.294 \| 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 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?