What are the current PM10 levels at Stevenage, Hertfordshire?

The current PM10 levels in Stevenage, Hertfordshire are 33.564 μg/m3.

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

The current sulfur dioxide (SO2) levels in Stevenage, Hertfordshire are 0.612 ppb.

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

The current ozone (O3) levels at Stevenage, Hertfordshire is 27.031 ppm.

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

The current nitrogen dioxide (NO2) levels at Stevenage, Hertfordshire is 5.868 ppb.

Real-time air quality index in Stevenage, Hertfordshire today

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

The measured PM2.5 levels in Stevenage, Hertfordshire at present are 9.718 μg/m3.

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)

Moderate

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)

9.72 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

33.56 μg/m³

155

255

425

605+

Ozone (O₃)

27.03 ppb

201

201+

Sulfur Dioxide (SO₂)

0.61 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.87 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.01 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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
2026-07-09T10:00:00.000Z	62 \| moderate	14.939 \| fine	23.568 \| good	40.512 \| good	0.832 \| good	8.581 \| good	0.15 \| good
2026-07-09T11:00:00.000Z	60 \| moderate	14.389 \| fine	22.65 \| good	35.116 \| good	0.832 \| good	13.432 \| good	0.008 \| good
2026-07-09T12:00:00.000Z	54 \| moderate	11.32 \| good	21.687 \| good	43.848 \| good	0.755 \| good	12.668 \| good	0.008 \| good
2026-07-09T13:00:00.000Z	62 \| moderate	14.965 \| fine	44.297 \| good	35.439 \| good	0.755 \| good	8.666 \| good	0.008 \| good
2026-07-09T14:00:00.000Z	62 \| moderate	14.817 \| fine	42.437 \| good	42.673 \| good	0.834 \| good	11.457 \| good	0.008 \| good
2026-07-09T15:00:00.000Z	60 \| moderate	13.75 \| fine	41.424 \| good	50.63 \| good	0.784 \| good	11.146 \| good	0.106 \| good
2026-07-09T16:00:00.000Z	58 \| moderate	12.953 \| fine	30.714 \| good	48.976 \| good	0.671 \| good	8.054 \| good	0.01 \| good
2026-07-09T17:00:00.000Z	77 \| moderate	14.228 \| fine	50.361 \| good	63.15 \| fine	0.755 \| good	18.769 \| good	0.142 \| good
2026-07-09T18:00:00.000Z	100 \| moderate	14.49 \| fine	31.838 \| good	70.366 \| fine	0.637 \| good	13.913 \| good	0.128 \| good
2026-07-09T19:00:00.000Z	105 \| sensitive	12.077 \| good	44.569 \| good	71.552 \| moderate	0.558 \| good	7.07 \| good	0.182 \| good
2026-07-09T20:00:00.000Z	90 \| moderate	15.378 \| fine	28.546 \| good	66.908 \| fine	0.661 \| good	5.115 \| good	0.153 \| good
2026-07-09T21:00:00.000Z	58 \| moderate	13.456 \| fine	32.158 \| good	34.854 \| good	0.622 \| good	8.701 \| good	0.008 \| good
2026-07-09T22:00:00.000Z	60 \| moderate	14.484 \| fine	38.8 \| good	48.025 \| good	0.633 \| good	8.804 \| good	0.008 \| good
2026-07-09T23:00:00.000Z	58 \| moderate	12.844 \| fine	29.029 \| good	48.868 \| good	0.734 \| good	6.612 \| good	0.008 \| good
2026-07-10T00:00:00.000Z	61 \| moderate	9.727 \| good	25.269 \| good	58.194 \| fine	0.631 \| good	3.734 \| good	0.104 \| good
2026-07-10T01:00:00.000Z	44 \| good	7.659 \| good	21.806 \| good	33.071 \| good	0.793 \| good	3.354 \| good	0.104 \| good
2026-07-10T02:00:00.000Z	44 \| good	8.109 \| good	20.933 \| good	39.856 \| good	0.564 \| good	3.702 \| good	0.103 \| good
2026-07-10T03:00:00.000Z	44 \| good	8.142 \| good	16.258 \| good	36.539 \| good	0.877 \| good	4.16 \| good	0.106 \| good
2026-07-10T04:00:00.000Z	44 \| good	7.994 \| good	15.196 \| good	29.685 \| good	0.715 \| good	4.974 \| good	0.118 \| good
2026-07-10T05:00:00.000Z	54 \| moderate	10.928 \| good	23.718 \| good	28.438 \| good	0.446 \| good	5.772 \| good	0.132 \| good
2026-07-10T06:00:00.000Z	54 \| moderate	11.001 \| good	30.183 \| good	28.759 \| good	0.705 \| good	6.234 \| good	0.137 \| good
2026-07-10T07:00:00.000Z	54 \| moderate	11.417 \| good	19.696 \| good	33.221 \| good	0.677 \| good	7.025 \| good	0.142 \| good
2026-07-10T08:00:00.000Z	52 \| moderate	9.913 \| good	27.716 \| good	28.958 \| good	0.76 \| good	8.306 \| good	0.125 \| good
2026-07-10T09:00:00.000Z	52 \| moderate	9.705 \| good	29.839 \| good	22.918 \| good	0.86 \| good	9.838 \| good	0.123 \| good
2026-07-10T10:00:00.000Z	38 \| good	7.232 \| good	13.881 \| good	35.442 \| good	0.614 \| good	10.78 \| good	0.13 \| good
2026-07-10T11:00:00.000Z	52 \| moderate	10.491 \| good	25.03 \| good	35.573 \| good	0.967 \| good	10.268 \| good	0.116 \| good
2026-07-10T12:00:00.000Z	44 \| good	8.289 \| good	17.882 \| good	26.595 \| good	0.865 \| good	5.144 \| good	0.111 \| good
2026-07-10T13:00:00.000Z	54 \| moderate	10.826 \| good	17.652 \| good	33.869 \| good	0.961 \| good	10.223 \| good	0.113 \| good
2026-07-10T14:00:00.000Z	38 \| good	7.481 \| good	18.697 \| good	37.246 \| good	1.052 \| good	11.565 \| good	0.116 \| good
2026-07-10T15:00:00.000Z	44 \| good	7.553 \| good	23.18 \| good	42.303 \| good	0.65 \| good	14.494 \| good	0.111 \| good
2026-07-10T16:00:00.000Z	49 \| good	8.987 \| good	29.924 \| good	41.256 \| good	0.738 \| good	12.74 \| good	0.108 \| good
2026-07-10T17:00:00.000Z	44 \| good	8.378 \| good	26.633 \| good	46.412 \| good	0.469 \| good	8.284 \| good	0.124 \| good
2026-07-10T18:00:00.000Z	49 \| good	8.862 \| good	25.951 \| good	48.239 \| good	0.782 \| good	5.856 \| good	0.141 \| good
2026-07-10T19:00:00.000Z	49 \| good	8.785 \| good	27.771 \| good	41.474 \| good	0.784 \| good	4.588 \| good	0.146 \| good
2026-07-10T20:00:00.000Z	49 \| good	9.009 \| good	21.97 \| good	40.59 \| good	0.697 \| good	6.093 \| good	0.18 \| good
2026-07-10T21:00:00.000Z	49 \| good	9.019 \| good	28.034 \| good	39.671 \| good	0.605 \| good	5.617 \| good	0.156 \| good
2026-07-10T22:00:00.000Z	49 \| good	8.882 \| good	23.377 \| good	45.927 \| good	0.606 \| good	7.71 \| good	0.167 \| good
2026-07-10T23:00:00.000Z	54 \| moderate	9.427 \| good	27.022 \| good	55.761 \| fine	0.696 \| good	6.215 \| good	0.146 \| good
2026-07-11T00:00:00.000Z	49 \| good	8.18 \| good	30.102 \| good	53.19 \| good	0.608 \| good	4.88 \| good	0.134 \| good
2026-07-11T01:00:00.000Z	52 \| moderate	9.565 \| good	23.798 \| good	42.166 \| good	0.585 \| good	4.702 \| good	0.125 \| good
2026-07-11T02:00:00.000Z	49 \| good	8.788 \| good	17.235 \| good	41.978 \| good	0.673 \| good	6.119 \| good	0.12 \| good
2026-07-11T03:00:00.000Z	52 \| moderate	9.541 \| good	21.1 \| good	35.218 \| good	0.43 \| good	8.317 \| good	0.12 \| good
2026-07-11T04:00:00.000Z	49 \| good	9.216 \| good	27.225 \| good	30.467 \| good	0.495 \| good	6.691 \| good	0.123 \| good
2026-07-11T05:00:00.000Z	49 \| good	9.241 \| good	26.376 \| good	27.104 \| good	0.45 \| good	6.04 \| good	0.01 \| good
2026-07-11T06:00:00.000Z	52 \| moderate	9.505 \| good	23.73 \| good	28.888 \| good	0.546 \| good	6.18 \| good	0.009 \| good
2026-07-11T07:00:00.000Z	49 \| good	9.207 \| good	23.597 \| good	28.826 \| good	0.541 \| good	5.742 \| good	0.009 \| good
2026-07-11T08:00:00.000Z	52 \| moderate	9.718 \| good	33.564 \| good	27.031 \| good	0.612 \| good	5.868 \| good	0.011 \| good
2026-07-11T09:00:00.000Z	52 \| moderate	9.718 \| good	33.564 \| good	27.031 \| good	0.612 \| good	5.868 \| good	0.011 \| good
2026-07-11T10:00:00.000Z	38 \| good	5.047 \| good	8.768 \| good	40.522 \| good	0.097 \| good	1.107 \| good	0.104 \| good
2026-07-11T11:00:00.000Z	40 \| good	4.882 \| good	8.02 \| good	43.379 \| good	0.086 \| good	0.89 \| good	0.103 \| good
2026-07-11T12:00:00.000Z	42 \| good	4.996 \| good	8.376 \| good	44.747 \| good	0.073 \| good	0.77 \| good	0.101 \| good
2026-07-11T13:00:00.000Z	42 \| good	5.03 \| good	8.533 \| good	45.084 \| good	0.066 \| good	0.714 \| good	0.1 \| good
2026-07-11T14:00:00.000Z	42 \| good	4.955 \| good	8.334 \| good	45.324 \| good	0.06 \| good	0.671 \| good	0.099 \| good
2026-07-11T15:00:00.000Z	42 \| good	4.56 \| good	7.572 \| good	45.197 \| good	0.057 \| good	0.712 \| good	0.097 \| good
2026-07-11T16:00:00.000Z	42 \| good	4.307 \| good	7.048 \| good	45.115 \| good	0.056 \| good	0.78 \| good	0.096 \| good
2026-07-11T17:00:00.000Z	40 \| good	4.524 \| good	6.87 \| good	42.548 \| good	0.057 \| good	0.853 \| good	0.094 \| good
2026-07-11T18:00:00.000Z	34 \| good	4.186 \| good	5.777 \| good	37.355 \| good	0.069 \| good	0.871 \| good	0.091 \| good
2026-07-11T19:00:00.000Z	31 \| good	3.562 \| good	5.422 \| good	33.247 \| good	0.063 \| good	1.003 \| good	0.088 \| good
2026-07-11T20:00:00.000Z	31 \| good	3.263 \| good	5.782 \| good	32.706 \| good	0.061 \| good	1.285 \| good	0.087 \| good
2026-07-11T21:00:00.000Z	30 \| good	3.416 \| good	6.349 \| good	31.983 \| good	0.07 \| good	1.49 \| good	0.087 \| good
2026-07-11T22:00:00.000Z	28 \| good	3.604 \| good	6.419 \| good	30.448 \| good	0.072 \| good	1.5 \| good	0.088 \| good
2026-07-11T23:00:00.000Z	27 \| good	3.985 \| good	6.323 \| good	28.898 \| good	0.061 \| good	1.506 \| good	0.088 \| good
2026-07-12T00:00:00.000Z	27 \| good	4.362 \| good	7.086 \| good	28.795 \| good	0.061 \| good	1.56 \| good	0.087 \| good
2026-07-12T01:00:00.000Z	27 \| good	4.832 \| good	8.43 \| good	28.327 \| good	0.056 \| good	1.385 \| good	0.087 \| good
2026-07-12T02:00:00.000Z	27 \| good	5.078 \| good	9.73 \| good	28.874 \| good	0.047 \| good	1.257 \| good	0.087 \| good
2026-07-12T03:00:00.000Z	28 \| good	5.296 \| good	10.468 \| good	29.632 \| good	0.045 \| good	1.116 \| good	0.087 \| good
2026-07-12T04:00:00.000Z	28 \| good	5.488 \| good	10.511 \| good	30.367 \| good	0.048 \| good	1.017 \| good	0.087 \| good
2026-07-12T05:00:00.000Z	33 \| good	5.585 \| good	11.025 \| good	30.264 \| good	0.052 \| good	0.933 \| good	0.086 \| good
2026-07-12T06:00:00.000Z	33 \| good	5.754 \| good	11.935 \| good	29.625 \| good	0.059 \| good	0.899 \| good	0.087 \| good
2026-07-12T07:00:00.000Z	33 \| good	5.77 \| good	11.594 \| good	30.302 \| good	0.074 \| good	0.937 \| good	0.091 \| good
2026-07-12T08:00:00.000Z	33 \| good	5.86 \| good	11.606 \| good	31.037 \| good	0.082 \| good	0.861 \| good	0.092 \| good
2026-07-12T09:00:00.000Z	33 \| good	5.792 \| good	11.761 \| good	32.14 \| good	0.084 \| good	0.784 \| good	0.092 \| good
2026-07-12T10:00:00.000Z	33 \| good	5.75 \| good	11.865 \| good	34.241 \| good	0.086 \| good	0.715 \| good	0.092 \| good
2026-07-12T11:00:00.000Z	35 \| good	5.839 \| good	12.242 \| good	38.286 \| good	0.084 \| good	0.676 \| good	0.092 \| good
2026-07-12T12:00:00.000Z	38 \| good	5.648 \| good	12.223 \| good	41.209 \| good	0.082 \| good	0.65 \| good	0.091 \| good
2026-07-12T13:00:00.000Z	40 \| good	5.39 \| good	11.643 \| good	42.734 \| good	0.078 \| good	0.601 \| good	0.091 \| good
2026-07-12T14:00:00.000Z	40 \| good	5.262 \| good	11.227 \| good	43.32 \| good	0.072 \| good	0.576 \| good	0.09 \| good
2026-07-12T15:00:00.000Z	40 \| good	4.983 \| good	10.771 \| good	42.882 \| good	0.067 \| good	0.566 \| good	0.09 \| good
2026-07-12T16:00:00.000Z	38 \| good	4.64 \| good	10.761 \| good	41.219 \| good	0.065 \| good	0.587 \| good	0.089 \| good
2026-07-12T17:00:00.000Z	36 \| good	4.404 \| good	11.706 \| good	39.32 \| good	0.073 \| good	0.652 \| good	0.088 \| good
2026-07-12T18:00:00.000Z	33 \| good	4.373 \| good	11.347 \| good	36.414 \| good	0.074 \| good	0.719 \| good	0.087 \| good
2026-07-12T19:00:00.000Z	31 \| good	4.541 \| good	10.601 \| good	34.089 \| good	0.082 \| good	0.807 \| good	0.086 \| good
2026-07-12T20:00:00.000Z	31 \| good	4.488 \| good	11.423 \| good	32.645 \| good	0.093 \| good	1.027 \| good	0.087 \| good
2026-07-12T21:00:00.000Z	30 \| good	4.481 \| good	11.588 \| good	31.706 \| good	0.103 \| good	1.276 \| good	0.087 \| good
2026-07-12T22:00:00.000Z	29 \| good	4.523 \| good	12.099 \| good	31.272 \| good	0.111 \| good	1.382 \| good	0.086 \| good
2026-07-12T23:00:00.000Z	29 \| good	4.549 \| good	12.547 \| good	30.944 \| good	0.094 \| good	1.333 \| good	0.086 \| good
2026-07-13T00:00:00.000Z	28 \| good	4.582 \| good	12.756 \| good	30.427 \| good	0.082 \| good	1.269 \| good	0.085 \| good
2026-07-13T01:00:00.000Z	28 \| good	4.712 \| good	12.744 \| good	29.788 \| good	0.079 \| good	1.217 \| good	0.084 \| good
2026-07-13T02:00:00.000Z	28 \| good	4.758 \| good	12.697 \| good	29.701 \| good	0.079 \| good	1.148 \| good	0.084 \| good
2026-07-13T03:00:00.000Z	27 \| good	4.771 \| good	12.808 \| good	29.331 \| good	0.079 \| good	1.113 \| good	0.083 \| good
2026-07-13T04:00:00.000Z	27 \| good	4.813 \| good	13.021 \| good	28.53 \| good	0.08 \| good	1.132 \| good	0.083 \| good
2026-07-13T05:00:00.000Z	27 \| good	4.762 \| good	12.943 \| good	27.511 \| good	0.083 \| good	1.174 \| good	0.083 \| good
2026-07-13T06:00:00.000Z	27 \| good	4.554 \| good	11.375 \| good	28.671 \| good	0.088 \| good	1.227 \| good	0.084 \| good
2026-07-13T07:00:00.000Z	27 \| good	4.513 \| good	10.412 \| good	28.655 \| good	0.101 \| good	1.485 \| good	0.087 \| good
2026-07-13T08:00:00.000Z	27 \| good	4.494 \| good	9.495 \| good	28.918 \| good	0.103 \| good	1.386 \| good	0.088 \| good
2026-07-13T09:00:00.000Z	29 \| good	4.608 \| good	9.281 \| good	30.742 \| good	0.097 \| good	1.195 \| good	0.088 \| good

Stevenage

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

0.01ppm

How accurate is Hertfordshire, UK air quality data?

Air quality measurements for Hertfordshire, UK meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

Source: Ambee Data Sources

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Frequently asked questions

How frequently is the air quality data for 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 11:00:00 on 2026-07-10.

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

The best air quality in Stevenage, Hertfordshire was recorded at 02:00:00 on 2026-07-10.

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

The real-time air quality index in Stevenage, Hertfordshire is 52, currently categorized as Moderate.

Which pollutant is found most often in Stevenage, Hertfordshire?

The most common pollutant in Stevenage, Hertfordshire is PM2.5.

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 9.718 μg/m³.

What are the current PM₁₀ levels at Stevenage, Hertfordshire?

The current PM₁₀ levels in Stevenage, Hertfordshire are 33.564 μg/m³.

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

The current carbon monoxide (CO) level in Stevenage, Hertfordshire is 0.011 ppm.

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

The current sulfur dioxide (SO₂) levels in Stevenage, Hertfordshire are 0.612 ppb.

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

The current ozone (O₃) levels at Stevenage, Hertfordshire is 27.031 ppm.

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

The current nitrogen dioxide (NO₂) levels at Stevenage, Hertfordshire is 5.868 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-09T10:00:00.000Z	62 \| moderate	14.939 \| fine	23.568 \| good	40.512 \| good	0.832 \| good	8.581 \| good	0.15 \| good
2026-07-09T11:00:00.000Z	60 \| moderate	14.389 \| fine	22.65 \| good	35.116 \| good	0.832 \| good	13.432 \| good	0.008 \| good
2026-07-09T12:00:00.000Z	54 \| moderate	11.32 \| good	21.687 \| good	43.848 \| good	0.755 \| good	12.668 \| good	0.008 \| good
2026-07-09T13:00:00.000Z	62 \| moderate	14.965 \| fine	44.297 \| good	35.439 \| good	0.755 \| good	8.666 \| good	0.008 \| good
2026-07-09T14:00:00.000Z	62 \| moderate	14.817 \| fine	42.437 \| good	42.673 \| good	0.834 \| good	11.457 \| good	0.008 \| good
2026-07-09T15:00:00.000Z	60 \| moderate	13.75 \| fine	41.424 \| good	50.63 \| good	0.784 \| good	11.146 \| good	0.106 \| good
2026-07-09T16:00:00.000Z	58 \| moderate	12.953 \| fine	30.714 \| good	48.976 \| good	0.671 \| good	8.054 \| good	0.01 \| good
2026-07-09T17:00:00.000Z	77 \| moderate	14.228 \| fine	50.361 \| good	63.15 \| fine	0.755 \| good	18.769 \| good	0.142 \| good
2026-07-09T18:00:00.000Z	100 \| moderate	14.49 \| fine	31.838 \| good	70.366 \| fine	0.637 \| good	13.913 \| good	0.128 \| good
2026-07-09T19:00:00.000Z	105 \| sensitive	12.077 \| good	44.569 \| good	71.552 \| moderate	0.558 \| good	7.07 \| good	0.182 \| good
2026-07-09T20:00:00.000Z	90 \| moderate	15.378 \| fine	28.546 \| good	66.908 \| fine	0.661 \| good	5.115 \| good	0.153 \| good
2026-07-09T21:00:00.000Z	58 \| moderate	13.456 \| fine	32.158 \| good	34.854 \| good	0.622 \| good	8.701 \| good	0.008 \| good
2026-07-09T22:00:00.000Z	60 \| moderate	14.484 \| fine	38.8 \| good	48.025 \| good	0.633 \| good	8.804 \| good	0.008 \| good
2026-07-09T23:00:00.000Z	58 \| moderate	12.844 \| fine	29.029 \| good	48.868 \| good	0.734 \| good	6.612 \| good	0.008 \| good
2026-07-10T00:00:00.000Z	61 \| moderate	9.727 \| good	25.269 \| good	58.194 \| fine	0.631 \| good	3.734 \| good	0.104 \| good
2026-07-10T01:00:00.000Z	44 \| good	7.659 \| good	21.806 \| good	33.071 \| good	0.793 \| good	3.354 \| good	0.104 \| good
2026-07-10T02:00:00.000Z	44 \| good	8.109 \| good	20.933 \| good	39.856 \| good	0.564 \| good	3.702 \| good	0.103 \| good
2026-07-10T03:00:00.000Z	44 \| good	8.142 \| good	16.258 \| good	36.539 \| good	0.877 \| good	4.16 \| good	0.106 \| good
2026-07-10T04:00:00.000Z	44 \| good	7.994 \| good	15.196 \| good	29.685 \| good	0.715 \| good	4.974 \| good	0.118 \| good
2026-07-10T05:00:00.000Z	54 \| moderate	10.928 \| good	23.718 \| good	28.438 \| good	0.446 \| good	5.772 \| good	0.132 \| good
2026-07-10T06:00:00.000Z	54 \| moderate	11.001 \| good	30.183 \| good	28.759 \| good	0.705 \| good	6.234 \| good	0.137 \| good
2026-07-10T07:00:00.000Z	54 \| moderate	11.417 \| good	19.696 \| good	33.221 \| good	0.677 \| good	7.025 \| good	0.142 \| good
2026-07-10T08:00:00.000Z	52 \| moderate	9.913 \| good	27.716 \| good	28.958 \| good	0.76 \| good	8.306 \| good	0.125 \| good
2026-07-10T09:00:00.000Z	52 \| moderate	9.705 \| good	29.839 \| good	22.918 \| good	0.86 \| good	9.838 \| good	0.123 \| good
2026-07-10T10:00:00.000Z	38 \| good	7.232 \| good	13.881 \| good	35.442 \| good	0.614 \| good	10.78 \| good	0.13 \| good
2026-07-10T11:00:00.000Z	52 \| moderate	10.491 \| good	25.03 \| good	35.573 \| good	0.967 \| good	10.268 \| good	0.116 \| good
2026-07-10T12:00:00.000Z	44 \| good	8.289 \| good	17.882 \| good	26.595 \| good	0.865 \| good	5.144 \| good	0.111 \| good
2026-07-10T13:00:00.000Z	54 \| moderate	10.826 \| good	17.652 \| good	33.869 \| good	0.961 \| good	10.223 \| good	0.113 \| good
2026-07-10T14:00:00.000Z	38 \| good	7.481 \| good	18.697 \| good	37.246 \| good	1.052 \| good	11.565 \| good	0.116 \| good
2026-07-10T15:00:00.000Z	44 \| good	7.553 \| good	23.18 \| good	42.303 \| good	0.65 \| good	14.494 \| good	0.111 \| good
2026-07-10T16:00:00.000Z	49 \| good	8.987 \| good	29.924 \| good	41.256 \| good	0.738 \| good	12.74 \| good	0.108 \| good
2026-07-10T17:00:00.000Z	44 \| good	8.378 \| good	26.633 \| good	46.412 \| good	0.469 \| good	8.284 \| good	0.124 \| good
2026-07-10T18:00:00.000Z	49 \| good	8.862 \| good	25.951 \| good	48.239 \| good	0.782 \| good	5.856 \| good	0.141 \| good
2026-07-10T19:00:00.000Z	49 \| good	8.785 \| good	27.771 \| good	41.474 \| good	0.784 \| good	4.588 \| good	0.146 \| good
2026-07-10T20:00:00.000Z	49 \| good	9.009 \| good	21.97 \| good	40.59 \| good	0.697 \| good	6.093 \| good	0.18 \| good
2026-07-10T21:00:00.000Z	49 \| good	9.019 \| good	28.034 \| good	39.671 \| good	0.605 \| good	5.617 \| good	0.156 \| good
2026-07-10T22:00:00.000Z	49 \| good	8.882 \| good	23.377 \| good	45.927 \| good	0.606 \| good	7.71 \| good	0.167 \| good
2026-07-10T23:00:00.000Z	54 \| moderate	9.427 \| good	27.022 \| good	55.761 \| fine	0.696 \| good	6.215 \| good	0.146 \| good
2026-07-11T00:00:00.000Z	49 \| good	8.18 \| good	30.102 \| good	53.19 \| good	0.608 \| good	4.88 \| good	0.134 \| good
2026-07-11T01:00:00.000Z	52 \| moderate	9.565 \| good	23.798 \| good	42.166 \| good	0.585 \| good	4.702 \| good	0.125 \| good
2026-07-11T02:00:00.000Z	49 \| good	8.788 \| good	17.235 \| good	41.978 \| good	0.673 \| good	6.119 \| good	0.12 \| good
2026-07-11T03:00:00.000Z	52 \| moderate	9.541 \| good	21.1 \| good	35.218 \| good	0.43 \| good	8.317 \| good	0.12 \| good
2026-07-11T04:00:00.000Z	49 \| good	9.216 \| good	27.225 \| good	30.467 \| good	0.495 \| good	6.691 \| good	0.123 \| good
2026-07-11T05:00:00.000Z	49 \| good	9.241 \| good	26.376 \| good	27.104 \| good	0.45 \| good	6.04 \| good	0.01 \| good
2026-07-11T06:00:00.000Z	52 \| moderate	9.505 \| good	23.73 \| good	28.888 \| good	0.546 \| good	6.18 \| good	0.009 \| good
2026-07-11T07:00:00.000Z	49 \| good	9.207 \| good	23.597 \| good	28.826 \| good	0.541 \| good	5.742 \| good	0.009 \| good
2026-07-11T08:00:00.000Z	52 \| moderate	9.718 \| good	33.564 \| good	27.031 \| good	0.612 \| good	5.868 \| good	0.011 \| good
2026-07-11T09:00:00.000Z	52 \| moderate	9.718 \| good	33.564 \| good	27.031 \| good	0.612 \| good	5.868 \| good	0.011 \| good
2026-07-11T10:00:00.000Z	38 \| good	5.047 \| good	8.768 \| good	40.522 \| good	0.097 \| good	1.107 \| good	0.104 \| good
2026-07-11T11:00:00.000Z	40 \| good	4.882 \| good	8.02 \| good	43.379 \| good	0.086 \| good	0.89 \| good	0.103 \| good
2026-07-11T12:00:00.000Z	42 \| good	4.996 \| good	8.376 \| good	44.747 \| good	0.073 \| good	0.77 \| good	0.101 \| good
2026-07-11T13:00:00.000Z	42 \| good	5.03 \| good	8.533 \| good	45.084 \| good	0.066 \| good	0.714 \| good	0.1 \| good
2026-07-11T14:00:00.000Z	42 \| good	4.955 \| good	8.334 \| good	45.324 \| good	0.06 \| good	0.671 \| good	0.099 \| good
2026-07-11T15:00:00.000Z	42 \| good	4.56 \| good	7.572 \| good	45.197 \| good	0.057 \| good	0.712 \| good	0.097 \| good
2026-07-11T16:00:00.000Z	42 \| good	4.307 \| good	7.048 \| good	45.115 \| good	0.056 \| good	0.78 \| good	0.096 \| good
2026-07-11T17:00:00.000Z	40 \| good	4.524 \| good	6.87 \| good	42.548 \| good	0.057 \| good	0.853 \| good	0.094 \| good
2026-07-11T18:00:00.000Z	34 \| good	4.186 \| good	5.777 \| good	37.355 \| good	0.069 \| good	0.871 \| good	0.091 \| good
2026-07-11T19:00:00.000Z	31 \| good	3.562 \| good	5.422 \| good	33.247 \| good	0.063 \| good	1.003 \| good	0.088 \| good
2026-07-11T20:00:00.000Z	31 \| good	3.263 \| good	5.782 \| good	32.706 \| good	0.061 \| good	1.285 \| good	0.087 \| good
2026-07-11T21:00:00.000Z	30 \| good	3.416 \| good	6.349 \| good	31.983 \| good	0.07 \| good	1.49 \| good	0.087 \| good
2026-07-11T22:00:00.000Z	28 \| good	3.604 \| good	6.419 \| good	30.448 \| good	0.072 \| good	1.5 \| good	0.088 \| good
2026-07-11T23:00:00.000Z	27 \| good	3.985 \| good	6.323 \| good	28.898 \| good	0.061 \| good	1.506 \| good	0.088 \| good
2026-07-12T00:00:00.000Z	27 \| good	4.362 \| good	7.086 \| good	28.795 \| good	0.061 \| good	1.56 \| good	0.087 \| good
2026-07-12T01:00:00.000Z	27 \| good	4.832 \| good	8.43 \| good	28.327 \| good	0.056 \| good	1.385 \| good	0.087 \| good
2026-07-12T02:00:00.000Z	27 \| good	5.078 \| good	9.73 \| good	28.874 \| good	0.047 \| good	1.257 \| good	0.087 \| good
2026-07-12T03:00:00.000Z	28 \| good	5.296 \| good	10.468 \| good	29.632 \| good	0.045 \| good	1.116 \| good	0.087 \| good
2026-07-12T04:00:00.000Z	28 \| good	5.488 \| good	10.511 \| good	30.367 \| good	0.048 \| good	1.017 \| good	0.087 \| good
2026-07-12T05:00:00.000Z	33 \| good	5.585 \| good	11.025 \| good	30.264 \| good	0.052 \| good	0.933 \| good	0.086 \| good
2026-07-12T06:00:00.000Z	33 \| good	5.754 \| good	11.935 \| good	29.625 \| good	0.059 \| good	0.899 \| good	0.087 \| good
2026-07-12T07:00:00.000Z	33 \| good	5.77 \| good	11.594 \| good	30.302 \| good	0.074 \| good	0.937 \| good	0.091 \| good
2026-07-12T08:00:00.000Z	33 \| good	5.86 \| good	11.606 \| good	31.037 \| good	0.082 \| good	0.861 \| good	0.092 \| good
2026-07-12T09:00:00.000Z	33 \| good	5.792 \| good	11.761 \| good	32.14 \| good	0.084 \| good	0.784 \| good	0.092 \| good
2026-07-12T10:00:00.000Z	33 \| good	5.75 \| good	11.865 \| good	34.241 \| good	0.086 \| good	0.715 \| good	0.092 \| good
2026-07-12T11:00:00.000Z	35 \| good	5.839 \| good	12.242 \| good	38.286 \| good	0.084 \| good	0.676 \| good	0.092 \| good
2026-07-12T12:00:00.000Z	38 \| good	5.648 \| good	12.223 \| good	41.209 \| good	0.082 \| good	0.65 \| good	0.091 \| good
2026-07-12T13:00:00.000Z	40 \| good	5.39 \| good	11.643 \| good	42.734 \| good	0.078 \| good	0.601 \| good	0.091 \| good
2026-07-12T14:00:00.000Z	40 \| good	5.262 \| good	11.227 \| good	43.32 \| good	0.072 \| good	0.576 \| good	0.09 \| good
2026-07-12T15:00:00.000Z	40 \| good	4.983 \| good	10.771 \| good	42.882 \| good	0.067 \| good	0.566 \| good	0.09 \| good
2026-07-12T16:00:00.000Z	38 \| good	4.64 \| good	10.761 \| good	41.219 \| good	0.065 \| good	0.587 \| good	0.089 \| good
2026-07-12T17:00:00.000Z	36 \| good	4.404 \| good	11.706 \| good	39.32 \| good	0.073 \| good	0.652 \| good	0.088 \| good
2026-07-12T18:00:00.000Z	33 \| good	4.373 \| good	11.347 \| good	36.414 \| good	0.074 \| good	0.719 \| good	0.087 \| good
2026-07-12T19:00:00.000Z	31 \| good	4.541 \| good	10.601 \| good	34.089 \| good	0.082 \| good	0.807 \| good	0.086 \| good
2026-07-12T20:00:00.000Z	31 \| good	4.488 \| good	11.423 \| good	32.645 \| good	0.093 \| good	1.027 \| good	0.087 \| good
2026-07-12T21:00:00.000Z	30 \| good	4.481 \| good	11.588 \| good	31.706 \| good	0.103 \| good	1.276 \| good	0.087 \| good
2026-07-12T22:00:00.000Z	29 \| good	4.523 \| good	12.099 \| good	31.272 \| good	0.111 \| good	1.382 \| good	0.086 \| good
2026-07-12T23:00:00.000Z	29 \| good	4.549 \| good	12.547 \| good	30.944 \| good	0.094 \| good	1.333 \| good	0.086 \| good
2026-07-13T00:00:00.000Z	28 \| good	4.582 \| good	12.756 \| good	30.427 \| good	0.082 \| good	1.269 \| good	0.085 \| good
2026-07-13T01:00:00.000Z	28 \| good	4.712 \| good	12.744 \| good	29.788 \| good	0.079 \| good	1.217 \| good	0.084 \| good
2026-07-13T02:00:00.000Z	28 \| good	4.758 \| good	12.697 \| good	29.701 \| good	0.079 \| good	1.148 \| good	0.084 \| good
2026-07-13T03:00:00.000Z	27 \| good	4.771 \| good	12.808 \| good	29.331 \| good	0.079 \| good	1.113 \| good	0.083 \| good
2026-07-13T04:00:00.000Z	27 \| good	4.813 \| good	13.021 \| good	28.53 \| good	0.08 \| good	1.132 \| good	0.083 \| good
2026-07-13T05:00:00.000Z	27 \| good	4.762 \| good	12.943 \| good	27.511 \| good	0.083 \| good	1.174 \| good	0.083 \| good
2026-07-13T06:00:00.000Z	27 \| good	4.554 \| good	11.375 \| good	28.671 \| good	0.088 \| good	1.227 \| good	0.084 \| good
2026-07-13T07:00:00.000Z	27 \| good	4.513 \| good	10.412 \| good	28.655 \| good	0.101 \| good	1.485 \| good	0.087 \| good
2026-07-13T08:00:00.000Z	27 \| good	4.494 \| good	9.495 \| good	28.918 \| good	0.103 \| good	1.386 \| good	0.088 \| good
2026-07-13T09:00:00.000Z	29 \| good	4.608 \| good	9.281 \| good	30.742 \| good	0.097 \| good	1.195 \| good	0.088 \| 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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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?