What are the current PM10 levels at Stevenage, Hertfordshire?

The current PM10 levels in Stevenage, Hertfordshire are 13.544 μg/m3.

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

The current sulfur dioxide (SO2) levels in Stevenage, Hertfordshire are 0.352 ppb.

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

The current ozone (O3) levels at Stevenage, Hertfordshire is 19.208 ppm.

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

The current nitrogen dioxide (NO2) levels at Stevenage, Hertfordshire is 7.481 ppb.

Real-time air quality index in Stevenage, Hertfordshire today

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

Stay updated with real-time air quality in Stevenage, 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

Stevenage, Hertfordshire

Last updated: ... (Local time)

Common air pollutants in Stevenage, Hertfordshire

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

3.42 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

7.09 μg/m³

155

255

425

605+

Ozone (O₃)

24.38 ppb

201

201+

Sulfur Dioxide (SO₂)

0.38 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

1.41 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

Stevenage, Hertfordshire

Get Live Pollen Counts

Stevenage, Hertfordshire

Scroll To Air Quality Map

Track live Stevenage, Hertfordshire air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-16T04:00:00.000Z	33 \| good	5.617 \| good	18.31 \| good	25.341 \| good	0.43 \| good	2.124 \| good	0.364 \| good
2025-09-16T05:00:00.000Z	33 \| good	6.129 \| good	16.803 \| good	24.143 \| good	0.352 \| good	2.125 \| good	0.321 \| good
2025-09-16T06:00:00.000Z	38 \| good	6.617 \| good	16.79 \| good	24.951 \| good	0.353 \| good	2.703 \| good	0.022 \| good
2025-09-16T07:00:00.000Z	33 \| good	6.033 \| good	22.378 \| good	25.963 \| good	0.353 \| good	3.077 \| good	0.024 \| good
2025-09-16T08:00:00.000Z	33 \| good	5.866 \| good	19.691 \| good	24.889 \| good	0.353 \| good	5.585 \| good	0.022 \| good
2025-09-16T09:00:00.000Z	22 \| good	4.411 \| good	14.971 \| good	24.179 \| good	0.463 \| good	6.436 \| good	0.021 \| good
2025-09-16T10:00:00.000Z	27 \| good	4.663 \| good	24.556 \| good	25.141 \| good	0.434 \| good	5.674 \| good	0.021 \| good
2025-09-16T11:00:00.000Z	27 \| good	4.646 \| good	15.896 \| good	23.014 \| good	0.432 \| good	5.696 \| good	0.02 \| good
2025-09-16T12:00:00.000Z	27 \| good	4.657 \| good	16.541 \| good	24.096 \| good	0.469 \| good	3.59 \| good	0.019 \| good
2025-09-16T13:00:00.000Z	25 \| good	4.331 \| good	26.562 \| good	23.097 \| good	0.427 \| good	5.249 \| good	0.018 \| good
2025-09-16T14:00:00.000Z	25 \| good	4.199 \| good	17 \| good	27.335 \| good	0.469 \| good	5.528 \| good	0.018 \| good
2025-09-16T15:00:00.000Z	27 \| good	5.173 \| good	11.656 \| good	28.166 \| good	0.433 \| good	6.37 \| good	0.019 \| good
2025-09-16T16:00:00.000Z	33 \| good	5.611 \| good	15.029 \| good	27.435 \| good	0.506 \| good	6.371 \| good	0.018 \| good
2025-09-16T17:00:00.000Z	28 \| good	4.522 \| good	16.058 \| good	29.603 \| good	0.508 \| good	6.551 \| good	0.018 \| good
2025-09-16T18:00:00.000Z	28 \| good	4.311 \| good	13.772 \| good	30.329 \| good	0.39 \| good	6.84 \| good	0.02 \| good
2025-09-16T19:00:00.000Z	28 \| good	4.576 \| good	14.004 \| good	29.551 \| good	0.426 \| good	8.984 \| good	0.021 \| good
2025-09-16T20:00:00.000Z	27 \| good	5.32 \| good	12.133 \| good	29.009 \| good	0.354 \| good	7.622 \| good	0.021 \| good
2025-09-16T21:00:00.000Z	27 \| good	4.585 \| good	10.609 \| good	28.667 \| good	0.43 \| good	9.269 \| good	0.021 \| good
2025-09-16T22:00:00.000Z	24 \| good	4.301 \| good	10.641 \| good	25.772 \| good	0.39 \| good	8.074 \| good	0.017 \| good
2025-09-16T23:00:00.000Z	27 \| good	4.534 \| good	13.084 \| good	27.613 \| good	0.352 \| good	7.814 \| good	0.018 \| good
2025-09-17T00:00:00.000Z	23 \| good	4.419 \| good	15.238 \| good	25.15 \| good	0.434 \| good	5.331 \| good	0.29 \| good
2025-09-17T01:00:00.000Z	22 \| good	3.637 \| good	16.292 \| good	23.049 \| good	0.428 \| good	3.239 \| good	0.339 \| good
2025-09-17T02:00:00.000Z	22 \| good	4.022 \| good	12.616 \| good	21.437 \| good	0.429 \| good	2.782 \| good	0.312 \| good
2025-09-17T03:00:00.000Z	27 \| good	5.348 \| good	9.977 \| good	21.673 \| good	0.429 \| good	3.748 \| good	0.361 \| good
2025-09-17T04:00:00.000Z	27 \| good	4.721 \| good	10.041 \| good	20.016 \| good	0.437 \| good	4.894 \| good	0.37 \| good
2025-09-17T05:00:00.000Z	22 \| good	4.447 \| good	14.056 \| good	19.441 \| good	0.352 \| good	4.738 \| good	0.445 \| good
2025-09-17T06:00:00.000Z	18 \| good	3 \| good	13.544 \| good	19.208 \| good	0.352 \| good	7.481 \| good	0.017 \| good
2025-09-17T07:00:00.000Z	22 \| good	3.842 \| good	13.51 \| good	19.51 \| good	0.352 \| good	8.249 \| good	0.019 \| good
2025-09-17T08:00:00.000Z	27 \| good	4.548 \| good	13.9 \| good	19.51 \| good	0.352 \| good	4.774 \| good	0.017 \| good
2025-09-17T09:00:00.000Z	22 \| good	3.778 \| good	14.418 \| good	19.714 \| good	0.351 \| good	5.81 \| good	0.017 \| good
2025-09-17T10:00:00.000Z	22 \| good	3.952 \| good	14.443 \| good	23.119 \| good	0.36 \| good	6.224 \| good	0.016 \| good
2025-09-17T11:00:00.000Z	22 \| good	3.694 \| good	13.884 \| good	20.327 \| good	0.359 \| good	7.192 \| good	0.016 \| good
2025-09-17T12:00:00.000Z	22 \| good	3.992 \| good	14.003 \| good	21.617 \| good	0.36 \| good	5.718 \| good	0.016 \| good
2025-09-17T13:00:00.000Z	18 \| good	3.052 \| good	12.415 \| good	18.668 \| good	0.359 \| good	4.887 \| good	0.017 \| good
2025-09-17T14:00:00.000Z	18 \| good	3.052 \| good	11.909 \| good	18.794 \| good	0.472 \| good	5.653 \| good	0.016 \| good
2025-09-17T15:00:00.000Z	19 \| good	3.299 \| good	9.987 \| good	21.245 \| good	0.472 \| good	3.826 \| good	0.016 \| good
2025-09-17T16:00:00.000Z	20 \| good	3.371 \| good	8.812 \| good	21.755 \| good	0.471 \| good	4.364 \| good	0.016 \| good
2025-09-17T17:00:00.000Z	23 \| good	3.486 \| good	9.537 \| good	24.773 \| good	0.655 \| good	5.604 \| good	0.018 \| good
2025-09-17T18:00:00.000Z	22 \| good	3.599 \| good	9.455 \| good	23.319 \| good	0.472 \| good	4.753 \| good	0.017 \| good
2025-09-17T19:00:00.000Z	22 \| good	3.822 \| good	9.382 \| good	21.551 \| good	0.472 \| good	4.933 \| good	0.017 \| good
2025-09-17T20:00:00.000Z	22 \| good	4.211 \| good	9.516 \| good	21.653 \| good	0.36 \| good	4.187 \| good	0.018 \| good
2025-09-17T21:00:00.000Z	20 \| good	3.331 \| good	8.884 \| good	21.857 \| good	0.397 \| good	4.358 \| good	0.02 \| good
2025-09-17T22:00:00.000Z	23 \| good	3.954 \| good	7.861 \| good	24.518 \| good	0.359 \| good	3.071 \| good	0.013 \| good
2025-09-17T23:00:00.000Z	27 \| good	4.865 \| good	7.411 \| good	23.137 \| good	0.359 \| good	3.2 \| good	0.012 \| good
2025-09-18T00:00:00.000Z	22 \| good	2.681 \| good	9.354 \| good	24.473 \| good	0.382 \| good	2.902 \| good	0.256 \| good
2025-09-18T01:00:00.000Z	23 \| good	2.998 \| good	6.9 \| good	25.013 \| good	0.382 \| good	4.578 \| good	0.198 \| good
2025-09-18T02:00:00.000Z	22 \| good	3.425 \| good	7.092 \| good	24.381 \| good	0.382 \| good	1.412 \| good	0.195 \| good
2025-09-18T03:00:00.000Z	23 \| good	3.122 \| good	7.109 \| good	24.543 \| good	0.382 \| good	1.405 \| good	0.193 \| good
2025-09-18T03:00:00.000Z	22 \| good	3.425 \| good	7.092 \| good	24.381 \| good	0.382 \| good	1.412 \| good	0.195 \| good
2025-09-17T07:00:00.000Z	27 \| good	3.493 \| good	5.245 \| good	28.98 \| good	0.174 \| good	5.436 \| good	0.12 \| good
2025-09-17T08:00:00.000Z	27 \| good	3.924 \| good	5.864 \| good	29.26 \| good	0.174 \| good	5.668 \| good	0.121 \| good
2025-09-17T09:00:00.000Z	30 \| good	4.356 \| good	6.794 \| good	32.165 \| good	0.182 \| good	4.536 \| good	0.12 \| good
2025-09-17T10:00:00.000Z	30 \| good	4.458 \| good	7.918 \| good	31.873 \| good	0.134 \| good	3.691 \| good	0.119 \| good
2025-09-17T11:00:00.000Z	30 \| good	4.714 \| good	8.704 \| good	32.381 \| good	0.125 \| good	3.307 \| good	0.119 \| good
2025-09-17T12:00:00.000Z	30 \| good	4.811 \| good	9.123 \| good	32.488 \| good	0.133 \| good	3.376 \| good	0.118 \| good
2025-09-17T13:00:00.000Z	30 \| good	4.884 \| good	8.983 \| good	32.179 \| good	0.122 \| good	3.144 \| good	0.117 \| good
2025-09-17T14:00:00.000Z	30 \| good	4.856 \| good	8.955 \| good	31.954 \| good	0.106 \| good	3.064 \| good	0.116 \| good
2025-09-17T15:00:00.000Z	30 \| good	4.877 \| good	8.984 \| good	31.854 \| good	0.102 \| good	3.237 \| good	0.114 \| good
2025-09-17T16:00:00.000Z	29 \| good	4.987 \| good	8.833 \| good	30.864 \| good	0.099 \| good	3.598 \| good	0.113 \| good
2025-09-17T17:00:00.000Z	28 \| good	5.169 \| good	8.662 \| good	29.77 \| good	0.105 \| good	4.085 \| good	0.114 \| good
2025-09-17T18:00:00.000Z	27 \| good	4.859 \| good	8.762 \| good	29.145 \| good	0.15 \| good	4.713 \| good	0.114 \| good
2025-09-17T19:00:00.000Z	27 \| good	4.754 \| good	9.016 \| good	28.63 \| good	0.156 \| good	4.151 \| good	0.113 \| good
2025-09-17T20:00:00.000Z	27 \| good	4.707 \| good	9.638 \| good	28.639 \| good	0.147 \| good	3.456 \| good	0.111 \| good
2025-09-17T21:00:00.000Z	27 \| good	4.697 \| good	8.961 \| good	28.461 \| good	0.134 \| good	2.914 \| good	0.109 \| good
2025-09-17T22:00:00.000Z	27 \| good	4.748 \| good	8.629 \| good	28.056 \| good	0.118 \| good	2.579 \| good	0.108 \| good
2025-09-17T23:00:00.000Z	27 \| good	4.629 \| good	8.44 \| good	27.77 \| good	0.073 \| good	2.365 \| good	0.106 \| good
2025-09-18T00:00:00.000Z	27 \| good	4.541 \| good	8.513 \| good	27.235 \| good	0.058 \| good	2.046 \| good	0.105 \| good
2025-09-18T01:00:00.000Z	27 \| good	4.579 \| good	8.945 \| good	25.932 \| good	0.05 \| good	1.823 \| good	0.104 \| good
2025-09-18T02:00:00.000Z	24 \| good	4.321 \| good	8.345 \| good	25.556 \| good	0.044 \| good	1.609 \| good	0.102 \| good
2025-09-18T03:00:00.000Z	23 \| good	3.975 \| good	7.754 \| good	25.468 \| good	0.043 \| good	1.386 \| good	0.101 \| good
2025-09-18T04:00:00.000Z	23 \| good	3.899 \| good	7.298 \| good	25.068 \| good	0.044 \| good	1.285 \| good	0.1 \| good
2025-09-18T05:00:00.000Z	23 \| good	3.593 \| good	6.348 \| good	25.061 \| good	0.065 \| good	1.338 \| good	0.1 \| good
2025-09-18T06:00:00.000Z	22 \| good	3.687 \| good	5.779 \| good	23.973 \| good	0.103 \| good	2.155 \| good	0.101 \| good
2025-09-18T07:00:00.000Z	22 \| good	3.904 \| good	6.603 \| good	23.116 \| good	0.124 \| good	3.509 \| good	0.102 \| good
2025-09-18T08:00:00.000Z	23 \| good	3.822 \| good	6.728 \| good	25.123 \| good	0.113 \| good	3.696 \| good	0.104 \| good
2025-09-18T09:00:00.000Z	25 \| good	3.561 \| good	6.577 \| good	26.647 \| good	0.103 \| good	3.188 \| good	0.105 \| good
2025-09-18T10:00:00.000Z	27 \| good	3.291 \| good	5.945 \| good	29.044 \| good	0.102 \| good	2.455 \| good	0.104 \| good
2025-09-18T11:00:00.000Z	28 \| good	3.14 \| good	5.676 \| good	30.091 \| good	0.093 \| good	2.1 \| good	0.102 \| good
2025-09-18T12:00:00.000Z	29 \| good	3.008 \| good	5.602 \| good	30.741 \| good	0.095 \| good	1.885 \| good	0.101 \| good
2025-09-18T13:00:00.000Z	29 \| good	2.988 \| good	5.579 \| good	31.164 \| good	0.094 \| good	1.863 \| good	0.1 \| good
2025-09-18T14:00:00.000Z	28 \| good	2.992 \| good	5.909 \| good	30.254 \| good	0.094 \| good	1.994 \| good	0.101 \| good
2025-09-18T15:00:00.000Z	28 \| good	3.076 \| good	6.015 \| good	29.636 \| good	0.1 \| good	2.289 \| good	0.101 \| good
2025-09-18T16:00:00.000Z	27 \| good	3.151 \| good	6.559 \| good	29.023 \| good	0.11 \| good	2.779 \| good	0.102 \| good
2025-09-18T17:00:00.000Z	27 \| good	3.362 \| good	7.045 \| good	28.707 \| good	0.113 \| good	3.695 \| good	0.104 \| good
2025-09-18T18:00:00.000Z	25 \| good	3.532 \| good	6.741 \| good	26.905 \| good	0.136 \| good	4.224 \| good	0.105 \| good
2025-09-18T19:00:00.000Z	25 \| good	3.207 \| good	6.271 \| good	26.798 \| good	0.154 \| good	4.241 \| good	0.105 \| good
2025-09-18T20:00:00.000Z	25 \| good	3.198 \| good	6.134 \| good	27.246 \| good	0.145 \| good	3.735 \| good	0.104 \| good
2025-09-18T21:00:00.000Z	26 \| good	3.379 \| good	6.221 \| good	27.533 \| good	0.142 \| good	3.25 \| good	0.103 \| good
2025-09-18T22:00:00.000Z	26 \| good	3.372 \| good	6.194 \| good	27.775 \| good	0.141 \| good	2.893 \| good	0.102 \| good
2025-09-18T23:00:00.000Z	26 \| good	3.326 \| good	5.836 \| good	27.549 \| good	0.112 \| good	2.538 \| good	0.101 \| good
2025-09-19T00:00:00.000Z	25 \| good	3.21 \| good	5.657 \| good	27.472 \| good	0.095 \| good	2.21 \| good	0.101 \| good
2025-09-19T01:00:00.000Z	25 \| good	3.091 \| good	5.651 \| good	27.233 \| good	0.085 \| good	1.795 \| good	0.099 \| good
2025-09-19T02:00:00.000Z	25 \| good	3.041 \| good	5.677 \| good	26.786 \| good	0.081 \| good	1.7 \| good	0.098 \| good
2025-09-19T03:00:00.000Z	24 \| good	3.176 \| good	5.861 \| good	26.224 \| good	0.087 \| good	1.596 \| good	0.099 \| good
2025-09-19T04:00:00.000Z	24 \| good	3.452 \| good	6.54 \| good	25.705 \| good	0.096 \| good	1.567 \| good	0.101 \| good
2025-09-19T05:00:00.000Z	23 \| good	3.815 \| good	6.874 \| good	25.472 \| good	0.119 \| good	1.835 \| good	0.102 \| good
2025-09-19T06:00:00.000Z	27 \| good	4.574 \| good	7.302 \| good	25.111 \| good	0.169 \| good	3.258 \| good	0.105 \| good

Stevenage

Empower business decisions with accurate air quality data

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

0.45ppm

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 Stevenage, Hertfordshire updated?

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

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

The worst air quality in Stevenage, Hertfordshire was recorded at 06:00:00 on 2025-09-16.

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

The best air quality in Stevenage, Hertfordshire was recorded at 05:00:00 on 2025-09-17.

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

The real-time air quality index in Stevenage, Hertfordshire is 18, currently categorized as Good.

Which pollutant is found most often in Stevenage, Hertfordshire?

The most common pollutant in Stevenage, Hertfordshire is O3.

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

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

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

The measured PM_2.5 levels in Stevenage, Hertfordshire at present are 3 μg/m³.

What are the current PM₁₀ levels at Stevenage, Hertfordshire?

The current PM₁₀ levels in Stevenage, Hertfordshire are 13.544 μg/m³.

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

The current carbon monoxide (CO) level in Stevenage, Hertfordshire is 0.017 ppm.

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

The current sulfur dioxide (SO₂) levels in Stevenage, Hertfordshire are 0.352 ppb.

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

The current ozone (O₃) levels at Stevenage, Hertfordshire is 19.208 ppm.

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

The current nitrogen dioxide (NO₂) levels at Stevenage, Hertfordshire is 7.481 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-16T04:00:00.000Z	33 \| good	5.617 \| good	18.31 \| good	25.341 \| good	0.43 \| good	2.124 \| good	0.364 \| good
2025-09-16T05:00:00.000Z	33 \| good	6.129 \| good	16.803 \| good	24.143 \| good	0.352 \| good	2.125 \| good	0.321 \| good
2025-09-16T06:00:00.000Z	38 \| good	6.617 \| good	16.79 \| good	24.951 \| good	0.353 \| good	2.703 \| good	0.022 \| good
2025-09-16T07:00:00.000Z	33 \| good	6.033 \| good	22.378 \| good	25.963 \| good	0.353 \| good	3.077 \| good	0.024 \| good
2025-09-16T08:00:00.000Z	33 \| good	5.866 \| good	19.691 \| good	24.889 \| good	0.353 \| good	5.585 \| good	0.022 \| good
2025-09-16T09:00:00.000Z	22 \| good	4.411 \| good	14.971 \| good	24.179 \| good	0.463 \| good	6.436 \| good	0.021 \| good
2025-09-16T10:00:00.000Z	27 \| good	4.663 \| good	24.556 \| good	25.141 \| good	0.434 \| good	5.674 \| good	0.021 \| good
2025-09-16T11:00:00.000Z	27 \| good	4.646 \| good	15.896 \| good	23.014 \| good	0.432 \| good	5.696 \| good	0.02 \| good
2025-09-16T12:00:00.000Z	27 \| good	4.657 \| good	16.541 \| good	24.096 \| good	0.469 \| good	3.59 \| good	0.019 \| good
2025-09-16T13:00:00.000Z	25 \| good	4.331 \| good	26.562 \| good	23.097 \| good	0.427 \| good	5.249 \| good	0.018 \| good
2025-09-16T14:00:00.000Z	25 \| good	4.199 \| good	17 \| good	27.335 \| good	0.469 \| good	5.528 \| good	0.018 \| good
2025-09-16T15:00:00.000Z	27 \| good	5.173 \| good	11.656 \| good	28.166 \| good	0.433 \| good	6.37 \| good	0.019 \| good
2025-09-16T16:00:00.000Z	33 \| good	5.611 \| good	15.029 \| good	27.435 \| good	0.506 \| good	6.371 \| good	0.018 \| good
2025-09-16T17:00:00.000Z	28 \| good	4.522 \| good	16.058 \| good	29.603 \| good	0.508 \| good	6.551 \| good	0.018 \| good
2025-09-16T18:00:00.000Z	28 \| good	4.311 \| good	13.772 \| good	30.329 \| good	0.39 \| good	6.84 \| good	0.02 \| good
2025-09-16T19:00:00.000Z	28 \| good	4.576 \| good	14.004 \| good	29.551 \| good	0.426 \| good	8.984 \| good	0.021 \| good
2025-09-16T20:00:00.000Z	27 \| good	5.32 \| good	12.133 \| good	29.009 \| good	0.354 \| good	7.622 \| good	0.021 \| good
2025-09-16T21:00:00.000Z	27 \| good	4.585 \| good	10.609 \| good	28.667 \| good	0.43 \| good	9.269 \| good	0.021 \| good
2025-09-16T22:00:00.000Z	24 \| good	4.301 \| good	10.641 \| good	25.772 \| good	0.39 \| good	8.074 \| good	0.017 \| good
2025-09-16T23:00:00.000Z	27 \| good	4.534 \| good	13.084 \| good	27.613 \| good	0.352 \| good	7.814 \| good	0.018 \| good
2025-09-17T00:00:00.000Z	23 \| good	4.419 \| good	15.238 \| good	25.15 \| good	0.434 \| good	5.331 \| good	0.29 \| good
2025-09-17T01:00:00.000Z	22 \| good	3.637 \| good	16.292 \| good	23.049 \| good	0.428 \| good	3.239 \| good	0.339 \| good
2025-09-17T02:00:00.000Z	22 \| good	4.022 \| good	12.616 \| good	21.437 \| good	0.429 \| good	2.782 \| good	0.312 \| good
2025-09-17T03:00:00.000Z	27 \| good	5.348 \| good	9.977 \| good	21.673 \| good	0.429 \| good	3.748 \| good	0.361 \| good
2025-09-17T04:00:00.000Z	27 \| good	4.721 \| good	10.041 \| good	20.016 \| good	0.437 \| good	4.894 \| good	0.37 \| good
2025-09-17T05:00:00.000Z	22 \| good	4.447 \| good	14.056 \| good	19.441 \| good	0.352 \| good	4.738 \| good	0.445 \| good
2025-09-17T06:00:00.000Z	18 \| good	3 \| good	13.544 \| good	19.208 \| good	0.352 \| good	7.481 \| good	0.017 \| good
2025-09-17T07:00:00.000Z	22 \| good	3.842 \| good	13.51 \| good	19.51 \| good	0.352 \| good	8.249 \| good	0.019 \| good
2025-09-17T08:00:00.000Z	27 \| good	4.548 \| good	13.9 \| good	19.51 \| good	0.352 \| good	4.774 \| good	0.017 \| good
2025-09-17T09:00:00.000Z	22 \| good	3.778 \| good	14.418 \| good	19.714 \| good	0.351 \| good	5.81 \| good	0.017 \| good
2025-09-17T10:00:00.000Z	22 \| good	3.952 \| good	14.443 \| good	23.119 \| good	0.36 \| good	6.224 \| good	0.016 \| good
2025-09-17T11:00:00.000Z	22 \| good	3.694 \| good	13.884 \| good	20.327 \| good	0.359 \| good	7.192 \| good	0.016 \| good
2025-09-17T12:00:00.000Z	22 \| good	3.992 \| good	14.003 \| good	21.617 \| good	0.36 \| good	5.718 \| good	0.016 \| good
2025-09-17T13:00:00.000Z	18 \| good	3.052 \| good	12.415 \| good	18.668 \| good	0.359 \| good	4.887 \| good	0.017 \| good
2025-09-17T14:00:00.000Z	18 \| good	3.052 \| good	11.909 \| good	18.794 \| good	0.472 \| good	5.653 \| good	0.016 \| good
2025-09-17T15:00:00.000Z	19 \| good	3.299 \| good	9.987 \| good	21.245 \| good	0.472 \| good	3.826 \| good	0.016 \| good
2025-09-17T16:00:00.000Z	20 \| good	3.371 \| good	8.812 \| good	21.755 \| good	0.471 \| good	4.364 \| good	0.016 \| good
2025-09-17T17:00:00.000Z	23 \| good	3.486 \| good	9.537 \| good	24.773 \| good	0.655 \| good	5.604 \| good	0.018 \| good
2025-09-17T18:00:00.000Z	22 \| good	3.599 \| good	9.455 \| good	23.319 \| good	0.472 \| good	4.753 \| good	0.017 \| good
2025-09-17T19:00:00.000Z	22 \| good	3.822 \| good	9.382 \| good	21.551 \| good	0.472 \| good	4.933 \| good	0.017 \| good
2025-09-17T20:00:00.000Z	22 \| good	4.211 \| good	9.516 \| good	21.653 \| good	0.36 \| good	4.187 \| good	0.018 \| good
2025-09-17T21:00:00.000Z	20 \| good	3.331 \| good	8.884 \| good	21.857 \| good	0.397 \| good	4.358 \| good	0.02 \| good
2025-09-17T22:00:00.000Z	23 \| good	3.954 \| good	7.861 \| good	24.518 \| good	0.359 \| good	3.071 \| good	0.013 \| good
2025-09-17T23:00:00.000Z	27 \| good	4.865 \| good	7.411 \| good	23.137 \| good	0.359 \| good	3.2 \| good	0.012 \| good
2025-09-18T00:00:00.000Z	22 \| good	2.681 \| good	9.354 \| good	24.473 \| good	0.382 \| good	2.902 \| good	0.256 \| good
2025-09-18T01:00:00.000Z	23 \| good	2.998 \| good	6.9 \| good	25.013 \| good	0.382 \| good	4.578 \| good	0.198 \| good
2025-09-18T02:00:00.000Z	22 \| good	3.425 \| good	7.092 \| good	24.381 \| good	0.382 \| good	1.412 \| good	0.195 \| good
2025-09-18T03:00:00.000Z	23 \| good	3.122 \| good	7.109 \| good	24.543 \| good	0.382 \| good	1.405 \| good	0.193 \| good
2025-09-18T03:00:00.000Z	22 \| good	3.425 \| good	7.092 \| good	24.381 \| good	0.382 \| good	1.412 \| good	0.195 \| good
2025-09-17T07:00:00.000Z	27 \| good	3.493 \| good	5.245 \| good	28.98 \| good	0.174 \| good	5.436 \| good	0.12 \| good
2025-09-17T08:00:00.000Z	27 \| good	3.924 \| good	5.864 \| good	29.26 \| good	0.174 \| good	5.668 \| good	0.121 \| good
2025-09-17T09:00:00.000Z	30 \| good	4.356 \| good	6.794 \| good	32.165 \| good	0.182 \| good	4.536 \| good	0.12 \| good
2025-09-17T10:00:00.000Z	30 \| good	4.458 \| good	7.918 \| good	31.873 \| good	0.134 \| good	3.691 \| good	0.119 \| good
2025-09-17T11:00:00.000Z	30 \| good	4.714 \| good	8.704 \| good	32.381 \| good	0.125 \| good	3.307 \| good	0.119 \| good
2025-09-17T12:00:00.000Z	30 \| good	4.811 \| good	9.123 \| good	32.488 \| good	0.133 \| good	3.376 \| good	0.118 \| good
2025-09-17T13:00:00.000Z	30 \| good	4.884 \| good	8.983 \| good	32.179 \| good	0.122 \| good	3.144 \| good	0.117 \| good
2025-09-17T14:00:00.000Z	30 \| good	4.856 \| good	8.955 \| good	31.954 \| good	0.106 \| good	3.064 \| good	0.116 \| good
2025-09-17T15:00:00.000Z	30 \| good	4.877 \| good	8.984 \| good	31.854 \| good	0.102 \| good	3.237 \| good	0.114 \| good
2025-09-17T16:00:00.000Z	29 \| good	4.987 \| good	8.833 \| good	30.864 \| good	0.099 \| good	3.598 \| good	0.113 \| good
2025-09-17T17:00:00.000Z	28 \| good	5.169 \| good	8.662 \| good	29.77 \| good	0.105 \| good	4.085 \| good	0.114 \| good
2025-09-17T18:00:00.000Z	27 \| good	4.859 \| good	8.762 \| good	29.145 \| good	0.15 \| good	4.713 \| good	0.114 \| good
2025-09-17T19:00:00.000Z	27 \| good	4.754 \| good	9.016 \| good	28.63 \| good	0.156 \| good	4.151 \| good	0.113 \| good
2025-09-17T20:00:00.000Z	27 \| good	4.707 \| good	9.638 \| good	28.639 \| good	0.147 \| good	3.456 \| good	0.111 \| good
2025-09-17T21:00:00.000Z	27 \| good	4.697 \| good	8.961 \| good	28.461 \| good	0.134 \| good	2.914 \| good	0.109 \| good
2025-09-17T22:00:00.000Z	27 \| good	4.748 \| good	8.629 \| good	28.056 \| good	0.118 \| good	2.579 \| good	0.108 \| good
2025-09-17T23:00:00.000Z	27 \| good	4.629 \| good	8.44 \| good	27.77 \| good	0.073 \| good	2.365 \| good	0.106 \| good
2025-09-18T00:00:00.000Z	27 \| good	4.541 \| good	8.513 \| good	27.235 \| good	0.058 \| good	2.046 \| good	0.105 \| good
2025-09-18T01:00:00.000Z	27 \| good	4.579 \| good	8.945 \| good	25.932 \| good	0.05 \| good	1.823 \| good	0.104 \| good
2025-09-18T02:00:00.000Z	24 \| good	4.321 \| good	8.345 \| good	25.556 \| good	0.044 \| good	1.609 \| good	0.102 \| good
2025-09-18T03:00:00.000Z	23 \| good	3.975 \| good	7.754 \| good	25.468 \| good	0.043 \| good	1.386 \| good	0.101 \| good
2025-09-18T04:00:00.000Z	23 \| good	3.899 \| good	7.298 \| good	25.068 \| good	0.044 \| good	1.285 \| good	0.1 \| good
2025-09-18T05:00:00.000Z	23 \| good	3.593 \| good	6.348 \| good	25.061 \| good	0.065 \| good	1.338 \| good	0.1 \| good
2025-09-18T06:00:00.000Z	22 \| good	3.687 \| good	5.779 \| good	23.973 \| good	0.103 \| good	2.155 \| good	0.101 \| good
2025-09-18T07:00:00.000Z	22 \| good	3.904 \| good	6.603 \| good	23.116 \| good	0.124 \| good	3.509 \| good	0.102 \| good
2025-09-18T08:00:00.000Z	23 \| good	3.822 \| good	6.728 \| good	25.123 \| good	0.113 \| good	3.696 \| good	0.104 \| good
2025-09-18T09:00:00.000Z	25 \| good	3.561 \| good	6.577 \| good	26.647 \| good	0.103 \| good	3.188 \| good	0.105 \| good
2025-09-18T10:00:00.000Z	27 \| good	3.291 \| good	5.945 \| good	29.044 \| good	0.102 \| good	2.455 \| good	0.104 \| good
2025-09-18T11:00:00.000Z	28 \| good	3.14 \| good	5.676 \| good	30.091 \| good	0.093 \| good	2.1 \| good	0.102 \| good
2025-09-18T12:00:00.000Z	29 \| good	3.008 \| good	5.602 \| good	30.741 \| good	0.095 \| good	1.885 \| good	0.101 \| good
2025-09-18T13:00:00.000Z	29 \| good	2.988 \| good	5.579 \| good	31.164 \| good	0.094 \| good	1.863 \| good	0.1 \| good
2025-09-18T14:00:00.000Z	28 \| good	2.992 \| good	5.909 \| good	30.254 \| good	0.094 \| good	1.994 \| good	0.101 \| good
2025-09-18T15:00:00.000Z	28 \| good	3.076 \| good	6.015 \| good	29.636 \| good	0.1 \| good	2.289 \| good	0.101 \| good
2025-09-18T16:00:00.000Z	27 \| good	3.151 \| good	6.559 \| good	29.023 \| good	0.11 \| good	2.779 \| good	0.102 \| good
2025-09-18T17:00:00.000Z	27 \| good	3.362 \| good	7.045 \| good	28.707 \| good	0.113 \| good	3.695 \| good	0.104 \| good
2025-09-18T18:00:00.000Z	25 \| good	3.532 \| good	6.741 \| good	26.905 \| good	0.136 \| good	4.224 \| good	0.105 \| good
2025-09-18T19:00:00.000Z	25 \| good	3.207 \| good	6.271 \| good	26.798 \| good	0.154 \| good	4.241 \| good	0.105 \| good
2025-09-18T20:00:00.000Z	25 \| good	3.198 \| good	6.134 \| good	27.246 \| good	0.145 \| good	3.735 \| good	0.104 \| good
2025-09-18T21:00:00.000Z	26 \| good	3.379 \| good	6.221 \| good	27.533 \| good	0.142 \| good	3.25 \| good	0.103 \| good
2025-09-18T22:00:00.000Z	26 \| good	3.372 \| good	6.194 \| good	27.775 \| good	0.141 \| good	2.893 \| good	0.102 \| good
2025-09-18T23:00:00.000Z	26 \| good	3.326 \| good	5.836 \| good	27.549 \| good	0.112 \| good	2.538 \| good	0.101 \| good
2025-09-19T00:00:00.000Z	25 \| good	3.21 \| good	5.657 \| good	27.472 \| good	0.095 \| good	2.21 \| good	0.101 \| good
2025-09-19T01:00:00.000Z	25 \| good	3.091 \| good	5.651 \| good	27.233 \| good	0.085 \| good	1.795 \| good	0.099 \| good
2025-09-19T02:00:00.000Z	25 \| good	3.041 \| good	5.677 \| good	26.786 \| good	0.081 \| good	1.7 \| good	0.098 \| good
2025-09-19T03:00:00.000Z	24 \| good	3.176 \| good	5.861 \| good	26.224 \| good	0.087 \| good	1.596 \| good	0.099 \| good
2025-09-19T04:00:00.000Z	24 \| good	3.452 \| good	6.54 \| good	25.705 \| good	0.096 \| good	1.567 \| good	0.101 \| good
2025-09-19T05:00:00.000Z	23 \| good	3.815 \| good	6.874 \| good	25.472 \| good	0.119 \| good	1.835 \| good	0.102 \| good
2025-09-19T06:00:00.000Z	27 \| good	4.574 \| good	7.302 \| good	25.111 \| good	0.169 \| good	3.258 \| good	0.105 \| good

Real-time air quality index in Stevenage, Hertfordshire today

Common air pollutants in Stevenage, Hertfordshire

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Stevenage, Hertfordshire air quality forecast and history

Empower business decisions with accurate air quality data

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

Air quality in nearby cities

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Hertford, Hertfordshire

How accurate is Hertfordshire, UK air quality data?

Air quality levels in UK

Frequently asked questions

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

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

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

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

Which pollutant is found most often in Stevenage, Hertfordshire?

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

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

What are the current PM10 levels at Stevenage, Hertfordshire?

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

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

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

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

What are the current PM₁₀ levels at Stevenage, Hertfordshire?

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

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

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