What are the current PM10 levels at Harlow, Essex?

The current PM10 levels in Harlow, Essex are 8.308 μg/m3.

What are the current sulfur dioxide (SO2) levels at Harlow, Essex?

The current sulfur dioxide (SO2) levels in Harlow, Essex are 0.933 ppb.

What are the current ozone (O3) levels at Harlow, Essex?

The current ozone (O3) levels at Harlow, Essex is 30.138 ppm.

What are the current nitrogen dioxide (NO2) levels at Harlow, Essex?

The current nitrogen dioxide (NO2) levels at Harlow, Essex is 4.79 ppb.

Real-time air quality index in Harlow, Essex today

Q: What are the current PM2.5 levels in Harlow, Essex?

The measured PM2.5 levels in Harlow, Essex at present are 3.498 μg/m3.

Stay updated with real-time air quality in Harlow, Essex 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

Harlow, Essex

Last updated: ... (Local time)

Common air pollutants in Harlow, Essex

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

3.50 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

8.31 μg/m³

155

255

425

605+

Ozone (O₃)

30.14 ppb

201

201+

Sulfur Dioxide (SO₂)

0.93 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.79 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.11 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

Harlow, Essex

Get Live Pollen Counts

Harlow, Essex

Scroll To Air Quality Map

Track live Harlow, Essex air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-05-12T13:00:00.000Z	33 \| good	5.825 \| good	11.607 \| good	29.191 \| good	0.801 \| good	3.683 \| good	0.12 \| good
2026-05-12T14:00:00.000Z	33 \| good	5.616 \| good	12.631 \| good	35.13 \| good	0.797 \| good	3.338 \| good	0.111 \| good
2026-05-12T15:00:00.000Z	33 \| good	5.521 \| good	11.313 \| good	35.372 \| good	0.599 \| good	5.839 \| good	0.113 \| good
2026-05-12T16:00:00.000Z	44 \| good	8.172 \| good	22.249 \| good	38.387 \| good	0.703 \| good	5.997 \| good	0.117 \| good
2026-05-12T17:00:00.000Z	49 \| good	8.936 \| good	12.289 \| good	42.363 \| good	0.703 \| good	6.166 \| good	0.661 \| good
2026-05-12T18:00:00.000Z	41 \| good	6.995 \| good	14.23 \| good	43.828 \| good	0.704 \| good	6.609 \| good	0.661 \| good
2026-05-12T19:00:00.000Z	40 \| good	5.572 \| good	27.371 \| good	43.32 \| good	0.629 \| good	4.575 \| good	0.163 \| good
2026-05-12T20:00:00.000Z	41 \| good	5.962 \| good	26.432 \| good	44.257 \| good	0.705 \| good	7.356 \| good	0.155 \| good
2026-05-12T21:00:00.000Z	39 \| good	5.138 \| good	17.681 \| good	42.095 \| good	0.755 \| good	8.317 \| good	0.153 \| good
2026-05-12T22:00:00.000Z	38 \| good	6.263 \| good	24.601 \| good	41.212 \| good	0.754 \| good	10.927 \| good	0.153 \| good
2026-05-12T23:00:00.000Z	38 \| good	6.725 \| good	14.199 \| good	37.163 \| good	0.7 \| good	7.903 \| good	0.661 \| good
2026-05-13T00:00:00.000Z	44 \| good	7.797 \| good	15.791 \| good	35.184 \| good	0.682 \| good	5.405 \| good	0.132 \| good
2026-05-13T01:00:00.000Z	35 \| good	5.49 \| good	13.137 \| good	37.881 \| good	0.523 \| good	7.206 \| good	0.661 \| good
2026-05-13T02:00:00.000Z	32 \| good	5.485 \| good	15.677 \| good	35.231 \| good	0.806 \| good	7.341 \| good	0.661 \| good
2026-05-13T03:00:00.000Z	30 \| good	4.643 \| good	15.67 \| good	32.154 \| good	0.708 \| good	4.769 \| good	0.661 \| good
2026-05-13T04:00:00.000Z	38 \| good	6.594 \| good	12.576 \| good	32.626 \| good	0.706 \| good	4.458 \| good	0.661 \| good
2026-05-13T05:00:00.000Z	32 \| good	5.396 \| good	16.831 \| good	34.915 \| good	0.83 \| good	2.973 \| good	0.661 \| good
2026-05-13T06:00:00.000Z	31 \| good	4.592 \| good	15.628 \| good	33.303 \| good	0.645 \| good	4.261 \| good	0.661 \| good
2026-05-13T07:00:00.000Z	28 \| good	5.016 \| good	12.668 \| good	29.818 \| good	0.89 \| good	4.744 \| good	0.144 \| good
2026-05-13T08:00:00.000Z	33 \| good	6.416 \| good	26.352 \| good	31.285 \| good	0.906 \| good	4.779 \| good	0.661 \| good
2026-05-13T09:00:00.000Z	33 \| good	5.777 \| good	24.915 \| good	28.939 \| good	0.81 \| good	4.38 \| good	0.661 \| good
2026-05-13T10:00:00.000Z	33 \| good	6.41 \| good	19.546 \| good	33.168 \| good	0.808 \| good	4.144 \| good	0.125 \| good
2026-05-13T11:00:00.000Z	38 \| good	6.596 \| good	23.825 \| good	32.139 \| good	0.889 \| good	2.782 \| good	0.122 \| good
2026-05-13T12:00:00.000Z	33 \| good	5.966 \| good	14.055 \| good	31.458 \| good	0.804 \| good	4.298 \| good	0.115 \| good
2026-05-13T13:00:00.000Z	33 \| good	5.86 \| good	14.961 \| good	32.099 \| good	0.871 \| good	4.239 \| good	0.117 \| good
2026-05-13T14:00:00.000Z	33 \| good	5.592 \| good	21.991 \| good	30.967 \| good	0.886 \| good	4.061 \| good	0.118 \| good
2026-05-13T15:00:00.000Z	33 \| good	6.026 \| good	23.08 \| good	32.754 \| good	0.887 \| good	4.552 \| good	0.113 \| good
2026-05-13T16:00:00.000Z	33 \| good	5.782 \| good	13.451 \| good	34.305 \| good	0.887 \| good	4.001 \| good	0.117 \| good
2026-05-13T17:00:00.000Z	33 \| good	5.771 \| good	11.752 \| good	34.31 \| good	0.885 \| good	5.305 \| good	0.122 \| good
2026-05-13T18:00:00.000Z	33 \| good	5.863 \| good	10.565 \| good	33.14 \| good	0.887 \| good	4.088 \| good	0.139 \| good
2026-05-13T19:00:00.000Z	33 \| good	5.644 \| good	11.819 \| good	32.245 \| good	0.804 \| good	4.437 \| good	0.197 \| good
2026-05-13T20:00:00.000Z	33 \| good	5.695 \| good	12.901 \| good	32.333 \| good	0.805 \| good	5.034 \| good	0.21 \| good
2026-05-13T21:00:00.000Z	30 \| good	5.201 \| good	12.678 \| good	31.827 \| good	0.805 \| good	6.272 \| good	0.2 \| good
2026-05-13T22:00:00.000Z	29 \| good	4.817 \| good	10.058 \| good	30.56 \| good	0.799 \| good	8.133 \| good	0.216 \| good
2026-05-13T23:00:00.000Z	28 \| good	4.054 \| good	11.554 \| good	29.873 \| good	0.795 \| good	6.057 \| good	0.224 \| good
2026-05-14T00:00:00.000Z	27 \| good	4.983 \| good	11.715 \| good	27.718 \| good	0.791 \| good	5.114 \| good	0.205 \| good
2026-05-14T01:00:00.000Z	33 \| good	5.617 \| good	11.082 \| good	26.029 \| good	0.788 \| good	5.186 \| good	0.167 \| good
2026-05-14T02:00:00.000Z	27 \| good	4.756 \| good	13.334 \| good	25.725 \| good	0.785 \| good	3.322 \| good	0.167 \| good
2026-05-14T03:00:00.000Z	27 \| good	4.727 \| good	11.177 \| good	25.195 \| good	0.785 \| good	3.628 \| good	0.15 \| good
2026-05-14T04:00:00.000Z	27 \| good	4.583 \| good	13.586 \| good	24.425 \| good	0.788 \| good	3.2 \| good	0.158 \| good
2026-05-14T05:00:00.000Z	27 \| good	4.83 \| good	11.122 \| good	24.663 \| good	0.793 \| good	4.871 \| good	0.172 \| good
2026-05-14T06:00:00.000Z	27 \| good	4.801 \| good	9.19 \| good	27.582 \| good	0.804 \| good	6.82 \| good	0.208 \| good
2026-05-14T07:00:00.000Z	27 \| good	4.616 \| good	9.783 \| good	23.571 \| good	0.808 \| good	7.621 \| good	0.177 \| good
2026-05-14T08:00:00.000Z	27 \| good	4.607 \| good	9.74 \| good	23.646 \| good	0.809 \| good	6.334 \| good	0.157 \| good
2026-05-14T09:00:00.000Z	23 \| good	3.388 \| good	11.31 \| good	24.908 \| good	0.891 \| good	6.187 \| good	0.13 \| good
2026-05-14T10:00:00.000Z	24 \| good	3.378 \| good	10 \| good	26.255 \| good	0.809 \| good	5.036 \| good	0.118 \| good
2026-05-14T11:00:00.000Z	24 \| good	4.163 \| good	8.637 \| good	26.278 \| good	0.891 \| good	3.762 \| good	0.118 \| good
2026-05-14T12:00:00.000Z	31 \| good	4.617 \| good	8.758 \| good	32.513 \| good	0.891 \| good	4.765 \| good	0.108 \| good
2026-05-14T12:00:00.000Z	28 \| good	3.498 \| good	8.308 \| good	30.138 \| good	0.933 \| good	4.79 \| good	0.108 \| good
2026-05-14T13:00:00.000Z	41 \| good	4.278 \| good	7.42 \| good	43.749 \| good	0.114 \| good	1.288 \| good	0.113 \| good
2026-05-14T14:00:00.000Z	40 \| good	4 \| good	6.946 \| good	43.496 \| good	0.119 \| good	1.441 \| good	0.113 \| good
2026-05-14T15:00:00.000Z	40 \| good	3.84 \| good	6.55 \| good	43.374 \| good	0.131 \| good	1.694 \| good	0.114 \| good
2026-05-14T16:00:00.000Z	41 \| good	3.841 \| good	6.52 \| good	44.409 \| good	0.137 \| good	2.061 \| good	0.116 \| good
2026-05-14T17:00:00.000Z	41 \| good	4.053 \| good	6.698 \| good	44.034 \| good	0.179 \| good	2.653 \| good	0.119 \| good
2026-05-14T18:00:00.000Z	39 \| good	4.294 \| good	6.552 \| good	41.587 \| good	0.235 \| good	3.312 \| good	0.121 \| good
2026-05-14T19:00:00.000Z	34 \| good	4.468 \| good	6.552 \| good	37.3 \| good	0.326 \| good	4.422 \| good	0.124 \| good
2026-05-14T20:00:00.000Z	31 \| good	4.834 \| good	6.793 \| good	34.092 \| good	0.406 \| good	5.455 \| good	0.128 \| good
2026-05-14T21:00:00.000Z	33 \| good	5.669 \| good	7.224 \| good	29.311 \| good	0.423 \| good	6.06 \| good	0.13 \| good
2026-05-14T22:00:00.000Z	33 \| good	6.266 \| good	7.889 \| good	28.124 \| good	0.375 \| good	5.682 \| good	0.132 \| good
2026-05-14T23:00:00.000Z	38 \| good	6.772 \| good	8.491 \| good	26.858 \| good	0.368 \| good	5.27 \| good	0.131 \| good
2026-05-15T00:00:00.000Z	38 \| good	6.85 \| good	8.88 \| good	25.795 \| good	0.306 \| good	5.052 \| good	0.13 \| good
2026-05-15T01:00:00.000Z	38 \| good	6.928 \| good	8.438 \| good	26.523 \| good	0.302 \| good	4.363 \| good	0.126 \| good
2026-05-15T02:00:00.000Z	38 \| good	7.294 \| good	9.022 \| good	26.176 \| good	0.347 \| good	3.571 \| good	0.125 \| good
2026-05-15T03:00:00.000Z	44 \| good	7.765 \| good	9.705 \| good	25.752 \| good	0.519 \| good	3.238 \| good	0.126 \| good
2026-05-15T04:00:00.000Z	44 \| good	7.993 \| good	10.524 \| good	25.518 \| good	0.567 \| good	3.425 \| good	0.128 \| good
2026-05-15T05:00:00.000Z	44 \| good	7.577 \| good	12.273 \| good	26.545 \| good	0.472 \| good	3.152 \| good	0.128 \| good
2026-05-15T06:00:00.000Z	33 \| good	6.198 \| good	10.825 \| good	27.113 \| good	0.333 \| good	3.017 \| good	0.126 \| good
2026-05-15T07:00:00.000Z	27 \| good	5.201 \| good	8.897 \| good	29.38 \| good	0.291 \| good	2.782 \| good	0.122 \| good
2026-05-15T08:00:00.000Z	29 \| good	4.362 \| good	7.454 \| good	31.377 \| good	0.241 \| good	2.39 \| good	0.12 \| good
2026-05-15T09:00:00.000Z	34 \| good	3.174 \| good	6.982 \| good	36.853 \| good	0.195 \| good	2.01 \| good	0.118 \| good
2026-05-15T10:00:00.000Z	37 \| good	3.023 \| good	6.289 \| good	40.48 \| good	0.183 \| good	1.68 \| good	0.117 \| good
2026-05-15T11:00:00.000Z	38 \| good	3.319 \| good	5.75 \| good	41.409 \| good	0.173 \| good	1.506 \| good	0.116 \| good
2026-05-15T12:00:00.000Z	39 \| good	3.661 \| good	5.68 \| good	42.238 \| good	0.153 \| good	1.377 \| good	0.115 \| good
2026-05-15T13:00:00.000Z	41 \| good	3.519 \| good	5.937 \| good	43.836 \| good	0.148 \| good	1.277 \| good	0.115 \| good
2026-05-15T14:00:00.000Z	42 \| good	3.379 \| good	6.11 \| good	45.438 \| good	0.147 \| good	1.344 \| good	0.116 \| good
2026-05-15T15:00:00.000Z	44 \| good	3.577 \| good	6.744 \| good	46.791 \| good	0.148 \| good	1.436 \| good	0.117 \| good
2026-05-15T16:00:00.000Z	44 \| good	4.088 \| good	7.476 \| good	47.667 \| good	0.161 \| good	1.578 \| good	0.117 \| good
2026-05-15T17:00:00.000Z	44 \| good	4.308 \| good	8.046 \| good	46.712 \| good	0.194 \| good	1.884 \| good	0.118 \| good
2026-05-15T18:00:00.000Z	41 \| good	4.666 \| good	8.029 \| good	44.125 \| good	0.232 \| good	2.356 \| good	0.119 \| good
2026-05-15T19:00:00.000Z	39 \| good	5.678 \| good	8.16 \| good	42.103 \| good	0.349 \| good	3.408 \| good	0.122 \| good
2026-05-15T20:00:00.000Z	34 \| good	6.373 \| good	8.677 \| good	37.052 \| good	0.348 \| good	4.186 \| good	0.126 \| good
2026-05-15T21:00:00.000Z	33 \| good	6.173 \| good	8.813 \| good	33.046 \| good	0.35 \| good	4.983 \| good	0.128 \| good
2026-05-15T22:00:00.000Z	33 \| good	6.143 \| good	8.775 \| good	30.897 \| good	0.343 \| good	5.32 \| good	0.129 \| good
2026-05-15T23:00:00.000Z	33 \| good	5.969 \| good	8.946 \| good	29.468 \| good	0.345 \| good	5.777 \| good	0.128 \| good
2026-05-16T00:00:00.000Z	33 \| good	6.203 \| good	9.588 \| good	28.982 \| good	0.318 \| good	5.729 \| good	0.126 \| good
2026-05-16T01:00:00.000Z	38 \| good	6.514 \| good	10.321 \| good	28.414 \| good	0.302 \| good	5.539 \| good	0.124 \| good
2026-05-16T02:00:00.000Z	38 \| good	7.067 \| good	10.489 \| good	26.813 \| good	0.318 \| good	5.49 \| good	0.124 \| good
2026-05-16T03:00:00.000Z	44 \| good	8.032 \| good	11.225 \| good	24.965 \| good	0.342 \| good	6.39 \| good	0.128 \| good
2026-05-16T04:00:00.000Z	52 \| moderate	9.579 \| good	13.164 \| good	21.649 \| good	0.385 \| good	9.857 \| good	0.137 \| good
2026-05-16T05:00:00.000Z	54 \| moderate	11.026 \| good	15.051 \| good	23.907 \| good	0.452 \| good	11.949 \| good	0.143 \| good
2026-05-16T06:00:00.000Z	54 \| moderate	11.057 \| good	15.132 \| good	27.818 \| good	0.525 \| good	10.496 \| good	0.145 \| good
2026-05-16T07:00:00.000Z	52 \| moderate	10.114 \| good	13.257 \| good	33.468 \| good	0.519 \| good	6.142 \| good	0.138 \| good
2026-05-16T08:00:00.000Z	52 \| moderate	10.388 \| good	12.753 \| good	36.528 \| good	0.476 \| good	4.384 \| good	0.137 \| good
2026-05-16T09:00:00.000Z	49 \| good	8.696 \| good	11.843 \| good	39.364 \| good	0.368 \| good	3.182 \| good	0.126 \| good
2026-05-16T10:00:00.000Z	39 \| good	4.787 \| good	8.232 \| good	42.193 \| good	0.247 \| good	2.45 \| good	0.122 \| good
2026-05-16T11:00:00.000Z	44 \| good	3.844 \| good	6.191 \| good	46.66 \| good	0.178 \| good	1.778 \| good	0.117 \| good
2026-05-16T12:00:00.000Z	44 \| good	3.118 \| good	5.674 \| good	47.165 \| good	0.145 \| good	1.403 \| good	0.114 \| good

Harlow

Empower business decisions with accurate air quality data

Harlow, Essex air quality map: Real-time AQI near you

0.12ppm

How accurate is Essex, UK air quality data?

Air quality measurements for Essex, 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 Harlow, Essex updated?

Air quality data for Harlow, Essex is updated on an hourly basis.

When did Harlow, Essex experience the worst air quality in the last 24 hours?

The worst air quality in Harlow, Essex was recorded at 01:00:00 on 2026-05-14.

When did Harlow, Essex have its best air quality in the last 24 hours?

The best air quality in Harlow, Essex was recorded at 09:00:00 on 2026-05-14.

What is the real-time air quality index for Harlow, Essex?

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

Which pollutant is found most often in Harlow, Essex?

The most common pollutant in Harlow, Essex is O3.

What can I do if the air quality in Harlow, Essex is poor?

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

What are the current PM_2.5 levels in Harlow, Essex?

The measured PM_2.5 levels in Harlow, Essex at present are 3.498 μg/m³.

What are the current PM₁₀ levels at Harlow, Essex?

The current PM₁₀ levels in Harlow, Essex are 8.308 μg/m³.

What are the current carbon monoxide (CO) levels at Harlow, Essex?

The current carbon monoxide (CO) level in Harlow, Essex is 0.108 ppm.

What are the current sulfur dioxide (SO₂) levels at Harlow, Essex?

The current sulfur dioxide (SO₂) levels in Harlow, Essex are 0.933 ppb.

What are the current ozone (O₃) levels at Harlow, Essex?

The current ozone (O₃) levels at Harlow, Essex is 30.138 ppm.

What are the current nitrogen dioxide (NO₂) levels at Harlow, Essex?

The current nitrogen dioxide (NO₂) levels at Harlow, Essex is 4.79 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-05-12T13:00:00.000Z	33 \| good	5.825 \| good	11.607 \| good	29.191 \| good	0.801 \| good	3.683 \| good	0.12 \| good
2026-05-12T14:00:00.000Z	33 \| good	5.616 \| good	12.631 \| good	35.13 \| good	0.797 \| good	3.338 \| good	0.111 \| good
2026-05-12T15:00:00.000Z	33 \| good	5.521 \| good	11.313 \| good	35.372 \| good	0.599 \| good	5.839 \| good	0.113 \| good
2026-05-12T16:00:00.000Z	44 \| good	8.172 \| good	22.249 \| good	38.387 \| good	0.703 \| good	5.997 \| good	0.117 \| good
2026-05-12T17:00:00.000Z	49 \| good	8.936 \| good	12.289 \| good	42.363 \| good	0.703 \| good	6.166 \| good	0.661 \| good
2026-05-12T18:00:00.000Z	41 \| good	6.995 \| good	14.23 \| good	43.828 \| good	0.704 \| good	6.609 \| good	0.661 \| good
2026-05-12T19:00:00.000Z	40 \| good	5.572 \| good	27.371 \| good	43.32 \| good	0.629 \| good	4.575 \| good	0.163 \| good
2026-05-12T20:00:00.000Z	41 \| good	5.962 \| good	26.432 \| good	44.257 \| good	0.705 \| good	7.356 \| good	0.155 \| good
2026-05-12T21:00:00.000Z	39 \| good	5.138 \| good	17.681 \| good	42.095 \| good	0.755 \| good	8.317 \| good	0.153 \| good
2026-05-12T22:00:00.000Z	38 \| good	6.263 \| good	24.601 \| good	41.212 \| good	0.754 \| good	10.927 \| good	0.153 \| good
2026-05-12T23:00:00.000Z	38 \| good	6.725 \| good	14.199 \| good	37.163 \| good	0.7 \| good	7.903 \| good	0.661 \| good
2026-05-13T00:00:00.000Z	44 \| good	7.797 \| good	15.791 \| good	35.184 \| good	0.682 \| good	5.405 \| good	0.132 \| good
2026-05-13T01:00:00.000Z	35 \| good	5.49 \| good	13.137 \| good	37.881 \| good	0.523 \| good	7.206 \| good	0.661 \| good
2026-05-13T02:00:00.000Z	32 \| good	5.485 \| good	15.677 \| good	35.231 \| good	0.806 \| good	7.341 \| good	0.661 \| good
2026-05-13T03:00:00.000Z	30 \| good	4.643 \| good	15.67 \| good	32.154 \| good	0.708 \| good	4.769 \| good	0.661 \| good
2026-05-13T04:00:00.000Z	38 \| good	6.594 \| good	12.576 \| good	32.626 \| good	0.706 \| good	4.458 \| good	0.661 \| good
2026-05-13T05:00:00.000Z	32 \| good	5.396 \| good	16.831 \| good	34.915 \| good	0.83 \| good	2.973 \| good	0.661 \| good
2026-05-13T06:00:00.000Z	31 \| good	4.592 \| good	15.628 \| good	33.303 \| good	0.645 \| good	4.261 \| good	0.661 \| good
2026-05-13T07:00:00.000Z	28 \| good	5.016 \| good	12.668 \| good	29.818 \| good	0.89 \| good	4.744 \| good	0.144 \| good
2026-05-13T08:00:00.000Z	33 \| good	6.416 \| good	26.352 \| good	31.285 \| good	0.906 \| good	4.779 \| good	0.661 \| good
2026-05-13T09:00:00.000Z	33 \| good	5.777 \| good	24.915 \| good	28.939 \| good	0.81 \| good	4.38 \| good	0.661 \| good
2026-05-13T10:00:00.000Z	33 \| good	6.41 \| good	19.546 \| good	33.168 \| good	0.808 \| good	4.144 \| good	0.125 \| good
2026-05-13T11:00:00.000Z	38 \| good	6.596 \| good	23.825 \| good	32.139 \| good	0.889 \| good	2.782 \| good	0.122 \| good
2026-05-13T12:00:00.000Z	33 \| good	5.966 \| good	14.055 \| good	31.458 \| good	0.804 \| good	4.298 \| good	0.115 \| good
2026-05-13T13:00:00.000Z	33 \| good	5.86 \| good	14.961 \| good	32.099 \| good	0.871 \| good	4.239 \| good	0.117 \| good
2026-05-13T14:00:00.000Z	33 \| good	5.592 \| good	21.991 \| good	30.967 \| good	0.886 \| good	4.061 \| good	0.118 \| good
2026-05-13T15:00:00.000Z	33 \| good	6.026 \| good	23.08 \| good	32.754 \| good	0.887 \| good	4.552 \| good	0.113 \| good
2026-05-13T16:00:00.000Z	33 \| good	5.782 \| good	13.451 \| good	34.305 \| good	0.887 \| good	4.001 \| good	0.117 \| good
2026-05-13T17:00:00.000Z	33 \| good	5.771 \| good	11.752 \| good	34.31 \| good	0.885 \| good	5.305 \| good	0.122 \| good
2026-05-13T18:00:00.000Z	33 \| good	5.863 \| good	10.565 \| good	33.14 \| good	0.887 \| good	4.088 \| good	0.139 \| good
2026-05-13T19:00:00.000Z	33 \| good	5.644 \| good	11.819 \| good	32.245 \| good	0.804 \| good	4.437 \| good	0.197 \| good
2026-05-13T20:00:00.000Z	33 \| good	5.695 \| good	12.901 \| good	32.333 \| good	0.805 \| good	5.034 \| good	0.21 \| good
2026-05-13T21:00:00.000Z	30 \| good	5.201 \| good	12.678 \| good	31.827 \| good	0.805 \| good	6.272 \| good	0.2 \| good
2026-05-13T22:00:00.000Z	29 \| good	4.817 \| good	10.058 \| good	30.56 \| good	0.799 \| good	8.133 \| good	0.216 \| good
2026-05-13T23:00:00.000Z	28 \| good	4.054 \| good	11.554 \| good	29.873 \| good	0.795 \| good	6.057 \| good	0.224 \| good
2026-05-14T00:00:00.000Z	27 \| good	4.983 \| good	11.715 \| good	27.718 \| good	0.791 \| good	5.114 \| good	0.205 \| good
2026-05-14T01:00:00.000Z	33 \| good	5.617 \| good	11.082 \| good	26.029 \| good	0.788 \| good	5.186 \| good	0.167 \| good
2026-05-14T02:00:00.000Z	27 \| good	4.756 \| good	13.334 \| good	25.725 \| good	0.785 \| good	3.322 \| good	0.167 \| good
2026-05-14T03:00:00.000Z	27 \| good	4.727 \| good	11.177 \| good	25.195 \| good	0.785 \| good	3.628 \| good	0.15 \| good
2026-05-14T04:00:00.000Z	27 \| good	4.583 \| good	13.586 \| good	24.425 \| good	0.788 \| good	3.2 \| good	0.158 \| good
2026-05-14T05:00:00.000Z	27 \| good	4.83 \| good	11.122 \| good	24.663 \| good	0.793 \| good	4.871 \| good	0.172 \| good
2026-05-14T06:00:00.000Z	27 \| good	4.801 \| good	9.19 \| good	27.582 \| good	0.804 \| good	6.82 \| good	0.208 \| good
2026-05-14T07:00:00.000Z	27 \| good	4.616 \| good	9.783 \| good	23.571 \| good	0.808 \| good	7.621 \| good	0.177 \| good
2026-05-14T08:00:00.000Z	27 \| good	4.607 \| good	9.74 \| good	23.646 \| good	0.809 \| good	6.334 \| good	0.157 \| good
2026-05-14T09:00:00.000Z	23 \| good	3.388 \| good	11.31 \| good	24.908 \| good	0.891 \| good	6.187 \| good	0.13 \| good
2026-05-14T10:00:00.000Z	24 \| good	3.378 \| good	10 \| good	26.255 \| good	0.809 \| good	5.036 \| good	0.118 \| good
2026-05-14T11:00:00.000Z	24 \| good	4.163 \| good	8.637 \| good	26.278 \| good	0.891 \| good	3.762 \| good	0.118 \| good
2026-05-14T12:00:00.000Z	31 \| good	4.617 \| good	8.758 \| good	32.513 \| good	0.891 \| good	4.765 \| good	0.108 \| good
2026-05-14T12:00:00.000Z	28 \| good	3.498 \| good	8.308 \| good	30.138 \| good	0.933 \| good	4.79 \| good	0.108 \| good
2026-05-14T13:00:00.000Z	41 \| good	4.278 \| good	7.42 \| good	43.749 \| good	0.114 \| good	1.288 \| good	0.113 \| good
2026-05-14T14:00:00.000Z	40 \| good	4 \| good	6.946 \| good	43.496 \| good	0.119 \| good	1.441 \| good	0.113 \| good
2026-05-14T15:00:00.000Z	40 \| good	3.84 \| good	6.55 \| good	43.374 \| good	0.131 \| good	1.694 \| good	0.114 \| good
2026-05-14T16:00:00.000Z	41 \| good	3.841 \| good	6.52 \| good	44.409 \| good	0.137 \| good	2.061 \| good	0.116 \| good
2026-05-14T17:00:00.000Z	41 \| good	4.053 \| good	6.698 \| good	44.034 \| good	0.179 \| good	2.653 \| good	0.119 \| good
2026-05-14T18:00:00.000Z	39 \| good	4.294 \| good	6.552 \| good	41.587 \| good	0.235 \| good	3.312 \| good	0.121 \| good
2026-05-14T19:00:00.000Z	34 \| good	4.468 \| good	6.552 \| good	37.3 \| good	0.326 \| good	4.422 \| good	0.124 \| good
2026-05-14T20:00:00.000Z	31 \| good	4.834 \| good	6.793 \| good	34.092 \| good	0.406 \| good	5.455 \| good	0.128 \| good
2026-05-14T21:00:00.000Z	33 \| good	5.669 \| good	7.224 \| good	29.311 \| good	0.423 \| good	6.06 \| good	0.13 \| good
2026-05-14T22:00:00.000Z	33 \| good	6.266 \| good	7.889 \| good	28.124 \| good	0.375 \| good	5.682 \| good	0.132 \| good
2026-05-14T23:00:00.000Z	38 \| good	6.772 \| good	8.491 \| good	26.858 \| good	0.368 \| good	5.27 \| good	0.131 \| good
2026-05-15T00:00:00.000Z	38 \| good	6.85 \| good	8.88 \| good	25.795 \| good	0.306 \| good	5.052 \| good	0.13 \| good
2026-05-15T01:00:00.000Z	38 \| good	6.928 \| good	8.438 \| good	26.523 \| good	0.302 \| good	4.363 \| good	0.126 \| good
2026-05-15T02:00:00.000Z	38 \| good	7.294 \| good	9.022 \| good	26.176 \| good	0.347 \| good	3.571 \| good	0.125 \| good
2026-05-15T03:00:00.000Z	44 \| good	7.765 \| good	9.705 \| good	25.752 \| good	0.519 \| good	3.238 \| good	0.126 \| good
2026-05-15T04:00:00.000Z	44 \| good	7.993 \| good	10.524 \| good	25.518 \| good	0.567 \| good	3.425 \| good	0.128 \| good
2026-05-15T05:00:00.000Z	44 \| good	7.577 \| good	12.273 \| good	26.545 \| good	0.472 \| good	3.152 \| good	0.128 \| good
2026-05-15T06:00:00.000Z	33 \| good	6.198 \| good	10.825 \| good	27.113 \| good	0.333 \| good	3.017 \| good	0.126 \| good
2026-05-15T07:00:00.000Z	27 \| good	5.201 \| good	8.897 \| good	29.38 \| good	0.291 \| good	2.782 \| good	0.122 \| good
2026-05-15T08:00:00.000Z	29 \| good	4.362 \| good	7.454 \| good	31.377 \| good	0.241 \| good	2.39 \| good	0.12 \| good
2026-05-15T09:00:00.000Z	34 \| good	3.174 \| good	6.982 \| good	36.853 \| good	0.195 \| good	2.01 \| good	0.118 \| good
2026-05-15T10:00:00.000Z	37 \| good	3.023 \| good	6.289 \| good	40.48 \| good	0.183 \| good	1.68 \| good	0.117 \| good
2026-05-15T11:00:00.000Z	38 \| good	3.319 \| good	5.75 \| good	41.409 \| good	0.173 \| good	1.506 \| good	0.116 \| good
2026-05-15T12:00:00.000Z	39 \| good	3.661 \| good	5.68 \| good	42.238 \| good	0.153 \| good	1.377 \| good	0.115 \| good
2026-05-15T13:00:00.000Z	41 \| good	3.519 \| good	5.937 \| good	43.836 \| good	0.148 \| good	1.277 \| good	0.115 \| good
2026-05-15T14:00:00.000Z	42 \| good	3.379 \| good	6.11 \| good	45.438 \| good	0.147 \| good	1.344 \| good	0.116 \| good
2026-05-15T15:00:00.000Z	44 \| good	3.577 \| good	6.744 \| good	46.791 \| good	0.148 \| good	1.436 \| good	0.117 \| good
2026-05-15T16:00:00.000Z	44 \| good	4.088 \| good	7.476 \| good	47.667 \| good	0.161 \| good	1.578 \| good	0.117 \| good
2026-05-15T17:00:00.000Z	44 \| good	4.308 \| good	8.046 \| good	46.712 \| good	0.194 \| good	1.884 \| good	0.118 \| good
2026-05-15T18:00:00.000Z	41 \| good	4.666 \| good	8.029 \| good	44.125 \| good	0.232 \| good	2.356 \| good	0.119 \| good
2026-05-15T19:00:00.000Z	39 \| good	5.678 \| good	8.16 \| good	42.103 \| good	0.349 \| good	3.408 \| good	0.122 \| good
2026-05-15T20:00:00.000Z	34 \| good	6.373 \| good	8.677 \| good	37.052 \| good	0.348 \| good	4.186 \| good	0.126 \| good
2026-05-15T21:00:00.000Z	33 \| good	6.173 \| good	8.813 \| good	33.046 \| good	0.35 \| good	4.983 \| good	0.128 \| good
2026-05-15T22:00:00.000Z	33 \| good	6.143 \| good	8.775 \| good	30.897 \| good	0.343 \| good	5.32 \| good	0.129 \| good
2026-05-15T23:00:00.000Z	33 \| good	5.969 \| good	8.946 \| good	29.468 \| good	0.345 \| good	5.777 \| good	0.128 \| good
2026-05-16T00:00:00.000Z	33 \| good	6.203 \| good	9.588 \| good	28.982 \| good	0.318 \| good	5.729 \| good	0.126 \| good
2026-05-16T01:00:00.000Z	38 \| good	6.514 \| good	10.321 \| good	28.414 \| good	0.302 \| good	5.539 \| good	0.124 \| good
2026-05-16T02:00:00.000Z	38 \| good	7.067 \| good	10.489 \| good	26.813 \| good	0.318 \| good	5.49 \| good	0.124 \| good
2026-05-16T03:00:00.000Z	44 \| good	8.032 \| good	11.225 \| good	24.965 \| good	0.342 \| good	6.39 \| good	0.128 \| good
2026-05-16T04:00:00.000Z	52 \| moderate	9.579 \| good	13.164 \| good	21.649 \| good	0.385 \| good	9.857 \| good	0.137 \| good
2026-05-16T05:00:00.000Z	54 \| moderate	11.026 \| good	15.051 \| good	23.907 \| good	0.452 \| good	11.949 \| good	0.143 \| good
2026-05-16T06:00:00.000Z	54 \| moderate	11.057 \| good	15.132 \| good	27.818 \| good	0.525 \| good	10.496 \| good	0.145 \| good
2026-05-16T07:00:00.000Z	52 \| moderate	10.114 \| good	13.257 \| good	33.468 \| good	0.519 \| good	6.142 \| good	0.138 \| good
2026-05-16T08:00:00.000Z	52 \| moderate	10.388 \| good	12.753 \| good	36.528 \| good	0.476 \| good	4.384 \| good	0.137 \| good
2026-05-16T09:00:00.000Z	49 \| good	8.696 \| good	11.843 \| good	39.364 \| good	0.368 \| good	3.182 \| good	0.126 \| good
2026-05-16T10:00:00.000Z	39 \| good	4.787 \| good	8.232 \| good	42.193 \| good	0.247 \| good	2.45 \| good	0.122 \| good
2026-05-16T11:00:00.000Z	44 \| good	3.844 \| good	6.191 \| good	46.66 \| good	0.178 \| good	1.778 \| good	0.117 \| good
2026-05-16T12:00:00.000Z	44 \| good	3.118 \| good	5.674 \| good	47.165 \| good	0.145 \| good	1.403 \| good	0.114 \| good

Real-time air quality index in Harlow, Essex today

Common air pollutants in Harlow, Essex

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Harlow, Essex air quality forecast and history

Empower business decisions with accurate air quality data

Harlow, Essex air quality map: Real-time AQI near you

Air quality in nearby cities

Sawbridgeworth, Hertfordshire

Hoddesdon, Hertfordshire

Epping, Essex

Ware, Hertfordshire

Waltham Abbey, Essex

Cheshunt, Hertfordshire

How accurate is Essex, UK air quality data?

Air quality levels in UK

Frequently asked questions

How frequently is the air quality data for Harlow, Essex updated?

When did Harlow, Essex experience the worst air quality in the last 24 hours?

When did Harlow, Essex have its best air quality in the last 24 hours?

What is the real-time air quality index for Harlow, Essex?

Which pollutant is found most often in Harlow, Essex?

What can I do if the air quality in Harlow, Essex is poor?

What are the current PM2.5 levels in Harlow, Essex?

What are the current PM10 levels at Harlow, Essex?

What are the current carbon monoxide (CO) levels at Harlow, Essex?

What are the current sulfur dioxide (SO2) levels at Harlow, Essex?

What are the current ozone (O3) levels at Harlow, Essex?

What are the current nitrogen dioxide (NO2) levels at Harlow, Essex?

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 Harlow, Essex?

What are the current PM₁₀ levels at Harlow, Essex?

What are the current sulfur dioxide (SO₂) levels at Harlow, Essex?

What are the current ozone (O₃) levels at Harlow, Essex?

What are the current nitrogen dioxide (NO₂) levels at Harlow, Essex?