What are the current PM10 levels at Stevenage, Hertfordshire?

The current PM10 levels in Stevenage, Hertfordshire are 16.82 μg/m3.

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

The current sulfur dioxide (SO2) levels in Stevenage, Hertfordshire are 1.105 ppb.

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

The current ozone (O3) levels at Stevenage, Hertfordshire is 25.628 ppm.

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

The current nitrogen dioxide (NO2) levels at Stevenage, Hertfordshire is 11.386 ppb.

Live 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)

Major air pollutants in Stevenage, Hertfordshire

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

9.03 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

19.20 μg/m³

155

255

425

605+

Ozone (O₃)

51.11 ppb

201

201+

Sulfur Dioxide (SO₂)

1.45 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

8.33 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.02 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
2025-06-18T00:00:00.000Z	33 \| good	5.356 \| good	27.706 \| good	36.216 \| good	1.076 \| good	5.007 \| good	0.28 \| good
2025-06-18T01:00:00.000Z	31 \| good	5.079 \| good	14.1 \| good	34.472 \| good	0.992 \| good	3.908 \| good	0.216 \| good
2025-06-18T02:00:00.000Z	32 \| good	5.114 \| good	13.14 \| good	35.062 \| good	0.83 \| good	3.092 \| good	0.221 \| good
2025-06-18T03:00:00.000Z	31 \| good	4.668 \| good	13.652 \| good	33.164 \| good	1.125 \| good	4.612 \| good	0.226 \| good
2025-06-18T04:00:00.000Z	29 \| good	5.108 \| good	16.71 \| good	31.41 \| good	1.007 \| good	5.348 \| good	0.278 \| good
2025-06-18T05:00:00.000Z	38 \| good	6.812 \| good	11.096 \| good	26.657 \| good	0.921 \| good	6.116 \| good	0.249 \| good
2025-06-18T06:00:00.000Z	38 \| good	6.774 \| good	15.679 \| good	28.578 \| good	1 \| good	2.707 \| good	0.271 \| good
2025-06-18T07:00:00.000Z	33 \| good	6.268 \| good	16.82 \| good	22.781 \| good	1.002 \| good	7.971 \| good	0.268 \| good
2025-06-18T08:00:00.000Z	33 \| good	6.417 \| good	11.47 \| good	21.94 \| good	1.004 \| good	5.919 \| good	0.254 \| good
2025-06-18T09:00:00.000Z	33 \| good	6.178 \| good	14.1 \| good	22.201 \| good	1.05 \| good	6.088 \| good	0.246 \| good
2025-06-18T10:00:00.000Z	27 \| good	5.245 \| good	11.715 \| good	24.075 \| good	1.135 \| good	5.19 \| good	0.235 \| good
2025-06-18T11:00:00.000Z	27 \| good	4.569 \| good	14.1 \| good	23.244 \| good	1.312 \| good	4.653 \| good	0.246 \| good
2025-06-18T12:00:00.000Z	27 \| good	5.298 \| good	14.915 \| good	24.307 \| good	1.226 \| good	5.225 \| good	0.235 \| good
2025-06-18T13:00:00.000Z	27 \| good	5.244 \| good	13.165 \| good	28.228 \| good	1.225 \| good	4.804 \| good	0.239 \| good
2025-06-18T14:00:00.000Z	38 \| good	6.759 \| good	10.987 \| good	28.741 \| good	0.983 \| good	4.933 \| good	0.23 \| good
2025-06-18T15:00:00.000Z	31 \| good	5.338 \| good	12.076 \| good	34.294 \| good	1.048 \| good	5.91 \| good	0.243 \| good
2025-06-18T16:00:00.000Z	33 \| good	4.935 \| good	13.895 \| good	35.725 \| good	1.2 \| good	4.488 \| good	0.242 \| good
2025-06-18T17:00:00.000Z	42 \| good	6.24 \| good	11.147 \| good	44.552 \| good	1.204 \| good	8.491 \| good	0.235 \| good
2025-06-18T18:00:00.000Z	34 \| good	5.895 \| good	10.541 \| good	37.05 \| good	1.137 \| good	6.835 \| good	0.281 \| good
2025-06-18T19:00:00.000Z	44 \| good	4.66 \| good	10.38 \| good	48.058 \| good	0.99 \| good	4.035 \| good	0.378 \| good
2025-06-18T20:00:00.000Z	41 \| good	5.92 \| good	12.94 \| good	43.631 \| good	1.101 \| good	7.56 \| good	0.335 \| good
2025-06-18T21:00:00.000Z	45 \| good	5.42 \| good	12.94 \| good	48.894 \| good	1.101 \| good	6.899 \| good	0.35 \| good
2025-06-18T22:00:00.000Z	42 \| good	5.623 \| good	11.622 \| good	45.392 \| good	1.108 \| good	13.13 \| good	0.376 \| good
2025-06-18T23:00:00.000Z	38 \| good	6.569 \| good	11.749 \| good	38.362 \| good	0.962 \| good	5.988 \| good	0.369 \| good
2025-06-19T00:00:00.000Z	36 \| good	6.156 \| good	9.795 \| good	38.594 \| good	1.078 \| good	7.902 \| good	0.329 \| good
2025-06-19T01:00:00.000Z	44 \| good	8.209 \| good	17.893 \| good	36.113 \| good	1.033 \| good	5.944 \| good	0.295 \| good
2025-06-19T02:00:00.000Z	38 \| good	6.661 \| good	14.02 \| good	37.581 \| good	1.121 \| good	7.452 \| good	0.322 \| good
2025-06-19T03:00:00.000Z	44 \| good	7.797 \| good	18.249 \| good	34.66 \| good	1.127 \| good	9.689 \| good	0.348 \| good
2025-06-19T04:00:00.000Z	49 \| good	9.069 \| good	20.263 \| good	37.675 \| good	1.057 \| good	17.351 \| good	0.356 \| good
2025-06-19T05:00:00.000Z	52 \| moderate	9.846 \| good	16.82 \| good	25.628 \| good	1.105 \| good	11.386 \| good	0.027 \| good
2025-06-19T06:00:00.000Z	44 \| good	7.654 \| good	15.167 \| good	28.45 \| good	1.099 \| good	13.303 \| good	0.02 \| good
2025-06-19T07:00:00.000Z	38 \| good	7.164 \| good	18.313 \| good	27.668 \| good	1.011 \| good	11.803 \| good	0.019 \| good
2025-06-19T08:00:00.000Z	49 \| good	8.514 \| good	14.37 \| good	22.399 \| good	1.105 \| good	6.114 \| good	0.019 \| good
2025-06-19T09:00:00.000Z	54 \| moderate	11.003 \| good	15.676 \| good	26.093 \| good	1.26 \| good	15.292 \| good	0.019 \| good
2025-06-19T10:00:00.000Z	35 \| good	6.048 \| good	16.557 \| good	37.778 \| good	1.329 \| good	6.191 \| good	0.019 \| good
2025-06-19T11:00:00.000Z	49 \| good	9.226 \| good	17.26 \| good	20.918 \| good	0.993 \| good	3.392 \| good	0.018 \| good
2025-06-19T12:00:00.000Z	44 \| good	7.78 \| good	19.151 \| good	24.99 \| good	1.233 \| good	4.854 \| good	0.013 \| good
2025-06-19T13:00:00.000Z	44 \| good	7.884 \| good	22.329 \| good	34.462 \| good	1.051 \| good	6.631 \| good	0.018 \| good
2025-06-19T14:00:00.000Z	49 \| good	8.793 \| good	17.293 \| good	40.238 \| good	1.286 \| good	9.185 \| good	0.018 \| good
2025-06-19T15:00:00.000Z	49 \| good	8.84 \| good	14.798 \| good	51.926 \| good	1.116 \| good	7.983 \| good	0.019 \| good
2025-06-19T16:00:00.000Z	49 \| good	9.257 \| good	14.507 \| good	51.121 \| good	1.115 \| good	8.863 \| good	0.018 \| good
2025-06-19T17:00:00.000Z	61 \| moderate	10.099 \| good	19.066 \| good	57.76 \| fine	1.331 \| good	11.378 \| good	0.019 \| good
2025-06-19T18:00:00.000Z	61 \| moderate	9.221 \| good	19.592 \| good	57.537 \| fine	1.416 \| good	6.615 \| good	0.02 \| good
2025-06-19T19:00:00.000Z	49 \| good	8.713 \| good	24.264 \| good	49.627 \| good	1.355 \| good	10.602 \| good	0.02 \| good
2025-06-19T20:00:00.000Z	40 \| good	5.98 \| good	27.843 \| good	43.1 \| good	1.25 \| good	13.234 \| good	0.021 \| good
2025-06-19T21:00:00.000Z	71 \| moderate	11.213 \| good	18.474 \| good	61.285 \| fine	1.565 \| good	7.352 \| good	0.022 \| good
2025-06-19T22:00:00.000Z	49 \| good	9.025 \| good	19.2 \| good	51.109 \| good	1.445 \| good	8.328 \| good	0.017 \| good
2025-06-19T23:00:00.000Z	49 \| good	9.025 \| good	19.2 \| good	51.109 \| good	1.445 \| good	8.328 \| good	0.017 \| good
2025-06-19T06:00:00.000Z	66 \| moderate	16.823 \| fine	21.062 \| good	18.957 \| good	0.402 \| good	7.19 \| good	0.165 \| good
2025-06-19T07:00:00.000Z	62 \| moderate	14.921 \| fine	18.424 \| good	21.285 \| good	0.508 \| good	6.863 \| good	0.166 \| good
2025-06-19T08:00:00.000Z	58 \| moderate	12.714 \| fine	16.761 \| good	25.882 \| good	0.564 \| good	6.843 \| good	0.164 \| good
2025-06-19T09:00:00.000Z	54 \| moderate	10.987 \| good	16.88 \| good	34.802 \| good	0.604 \| good	6.476 \| good	0.164 \| good
2025-06-19T10:00:00.000Z	52 \| moderate	9.71 \| good	15.787 \| good	43.479 \| good	0.508 \| good	5.204 \| good	0.159 \| good
2025-06-19T11:00:00.000Z	52 \| moderate	10.469 \| good	13.745 \| good	52.895 \| good	0.423 \| good	3.669 \| good	0.156 \| good
2025-06-19T12:00:00.000Z	67 \| moderate	9.416 \| good	12.858 \| good	60.009 \| fine	0.366 \| good	2.651 \| good	0.154 \| good
2025-06-19T13:00:00.000Z	84 \| moderate	9.37 \| good	12.2 \| good	65.363 \| fine	0.328 \| good	2.079 \| good	0.153 \| good
2025-06-19T14:00:00.000Z	93 \| moderate	9.311 \| good	12.351 \| good	68.05 \| fine	0.304 \| good	1.882 \| good	0.151 \| good
2025-06-19T15:00:00.000Z	101 \| sensitive	9.386 \| good	12.619 \| good	71.091 \| moderate	0.293 \| good	1.837 \| good	0.151 \| good
2025-06-19T16:00:00.000Z	101 \| sensitive	9.271 \| good	13.16 \| good	70.792 \| fine	0.28 \| good	2.05 \| good	0.154 \| good
2025-06-19T17:00:00.000Z	93 \| moderate	9.412 \| good	12.747 \| good	67.689 \| fine	0.285 \| good	2.43 \| good	0.156 \| good
2025-06-19T18:00:00.000Z	64 \| moderate	8.689 \| good	11.459 \| good	58.934 \| fine	0.302 \| good	2.869 \| good	0.154 \| good
2025-06-19T19:00:00.000Z	46 \| good	7.666 \| good	9.414 \| good	50.338 \| good	0.297 \| good	3.53 \| good	0.145 \| good
2025-06-19T20:00:00.000Z	41 \| good	7.494 \| good	9.135 \| good	44.258 \| good	0.326 \| good	4.39 \| good	0.143 \| good
2025-06-19T21:00:00.000Z	39 \| good	6.923 \| good	9.776 \| good	41.936 \| good	0.317 \| good	5.009 \| good	0.14 \| good
2025-06-19T22:00:00.000Z	38 \| good	6.678 \| good	11.035 \| good	38.664 \| good	0.283 \| good	4.977 \| good	0.138 \| good
2025-06-19T23:00:00.000Z	38 \| good	6.559 \| good	10.378 \| good	36.235 \| good	0.245 \| good	5.118 \| good	0.138 \| good
2025-06-20T00:00:00.000Z	33 \| good	6.411 \| good	10.249 \| good	34.401 \| good	0.213 \| good	5.353 \| good	0.136 \| good
2025-06-20T01:00:00.000Z	38 \| good	6.996 \| good	10.472 \| good	32.544 \| good	0.189 \| good	5.119 \| good	0.134 \| good
2025-06-20T02:00:00.000Z	38 \| good	7.362 \| good	10.716 \| good	30.389 \| good	0.169 \| good	4.491 \| good	0.131 \| good
2025-06-20T03:00:00.000Z	38 \| good	7.473 \| good	10.661 \| good	28.986 \| good	0.158 \| good	4.189 \| good	0.132 \| good
2025-06-20T04:00:00.000Z	44 \| good	7.838 \| good	11.605 \| good	27.442 \| good	0.189 \| good	4.797 \| good	0.133 \| good
2025-06-20T05:00:00.000Z	49 \| good	8.943 \| good	13.31 \| good	26.214 \| good	0.302 \| good	4.99 \| good	0.144 \| good
2025-06-20T06:00:00.000Z	52 \| moderate	9.719 \| good	14.701 \| good	24.684 \| good	0.476 \| good	5.548 \| good	0.152 \| good
2025-06-20T07:00:00.000Z	52 \| moderate	10.266 \| good	15.726 \| good	23.983 \| good	0.537 \| good	7.053 \| good	0.158 \| good
2025-06-20T08:00:00.000Z	49 \| good	8.692 \| good	13.546 \| good	27.287 \| good	0.592 \| good	6.991 \| good	0.158 \| good
2025-06-20T09:00:00.000Z	44 \| good	7.77 \| good	11.297 \| good	31.71 \| good	0.584 \| good	6.402 \| good	0.156 \| good
2025-06-20T10:00:00.000Z	38 \| good	7.121 \| good	9.76 \| good	35.515 \| good	0.547 \| good	5.371 \| good	0.152 \| good
2025-06-20T11:00:00.000Z	38 \| good	6.528 \| good	9.725 \| good	39.69 \| good	0.471 \| good	4.259 \| good	0.149 \| good
2025-06-20T12:00:00.000Z	41 \| good	6.591 \| good	9.786 \| good	43.753 \| good	0.416 \| good	3.408 \| good	0.145 \| good
2025-06-20T13:00:00.000Z	42 \| good	6.132 \| good	9.327 \| good	44.92 \| good	0.371 \| good	2.636 \| good	0.144 \| good
2025-06-20T14:00:00.000Z	43 \| good	6.264 \| good	8.708 \| good	46.465 \| good	0.362 \| good	2.325 \| good	0.146 \| good
2025-06-20T15:00:00.000Z	44 \| good	6.203 \| good	8.321 \| good	47.649 \| good	0.382 \| good	2.376 \| good	0.144 \| good
2025-06-20T16:00:00.000Z	44 \| good	6.176 \| good	8.488 \| good	47.804 \| good	0.403 \| good	2.651 \| good	0.144 \| good
2025-06-20T17:00:00.000Z	44 \| good	6.43 \| good	8.458 \| good	47.226 \| good	0.398 \| good	2.905 \| good	0.145 \| good
2025-06-20T18:00:00.000Z	43 \| good	6.446 \| good	8.081 \| good	45.615 \| good	0.481 \| good	3.093 \| good	0.148 \| good
2025-06-20T19:00:00.000Z	40 \| good	6.453 \| good	8.25 \| good	42.562 \| good	0.554 \| good	3.129 \| good	0.148 \| good
2025-06-20T20:00:00.000Z	38 \| good	7.159 \| good	9.064 \| good	39.636 \| good	0.565 \| good	4.026 \| good	0.147 \| good
2025-06-20T21:00:00.000Z	44 \| good	8.062 \| good	10.666 \| good	39.72 \| good	0.586 \| good	6.109 \| good	0.151 \| good
2025-06-20T22:00:00.000Z	49 \| good	8.883 \| good	12.972 \| good	37.608 \| good	0.566 \| good	6.846 \| good	0.154 \| good
2025-06-20T23:00:00.000Z	52 \| moderate	9.7 \| good	13.139 \| good	34.084 \| good	0.525 \| good	7.512 \| good	0.153 \| good
2025-06-21T00:00:00.000Z	54 \| moderate	11.138 \| good	15.304 \| good	34.968 \| good	0.456 \| good	7.321 \| good	0.156 \| good
2025-06-21T01:00:00.000Z	58 \| moderate	12.758 \| fine	16.802 \| good	32.911 \| good	0.378 \| good	7.597 \| good	0.16 \| good
2025-06-21T02:00:00.000Z	60 \| moderate	14.034 \| fine	18.045 \| good	30.009 \| good	0.341 \| good	7.916 \| good	0.167 \| good
2025-06-21T03:00:00.000Z	58 \| moderate	13.083 \| fine	18.822 \| good	25.516 \| good	0.336 \| good	7.708 \| good	0.171 \| good
2025-06-21T04:00:00.000Z	58 \| moderate	13.11 \| fine	17.948 \| good	21.113 \| good	0.381 \| good	8.151 \| good	0.174 \| good
2025-06-21T05:00:00.000Z	56 \| moderate	11.82 \| good	17.123 \| good	23.636 \| good	0.469 \| good	7.428 \| good	0.17 \| good

Stevenage

Empower business decisions with accurate air quality data

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

0.36ppm

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

Air quality levels in UK

Check live rankings of places in the UK affected by air pollution.

View Polluted Cities

Check live rankings of places in the UK with the cleanest air.

View Clean Cities

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 04:00:00 on 2025-06-19.

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

The best air quality in Stevenage, Hertfordshire was recorded at 01:00:00 on 2025-06-18.

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 9.846 μg/m³.

What are the current PM₁₀ levels at Stevenage, Hertfordshire?

The current PM₁₀ levels in Stevenage, Hertfordshire are 16.82 μg/m³.

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

The current carbon monoxide (CO) level in Stevenage, Hertfordshire is 0.027 ppm.

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

The current sulfur dioxide (SO₂) levels in Stevenage, Hertfordshire are 1.105 ppb.

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

The current ozone (O₃) levels at Stevenage, Hertfordshire is 25.628 ppm.

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

The current nitrogen dioxide (NO₂) levels at Stevenage, Hertfordshire is 11.386 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-18T00:00:00.000Z	33 \| good	5.356 \| good	27.706 \| good	36.216 \| good	1.076 \| good	5.007 \| good	0.28 \| good
2025-06-18T01:00:00.000Z	31 \| good	5.079 \| good	14.1 \| good	34.472 \| good	0.992 \| good	3.908 \| good	0.216 \| good
2025-06-18T02:00:00.000Z	32 \| good	5.114 \| good	13.14 \| good	35.062 \| good	0.83 \| good	3.092 \| good	0.221 \| good
2025-06-18T03:00:00.000Z	31 \| good	4.668 \| good	13.652 \| good	33.164 \| good	1.125 \| good	4.612 \| good	0.226 \| good
2025-06-18T04:00:00.000Z	29 \| good	5.108 \| good	16.71 \| good	31.41 \| good	1.007 \| good	5.348 \| good	0.278 \| good
2025-06-18T05:00:00.000Z	38 \| good	6.812 \| good	11.096 \| good	26.657 \| good	0.921 \| good	6.116 \| good	0.249 \| good
2025-06-18T06:00:00.000Z	38 \| good	6.774 \| good	15.679 \| good	28.578 \| good	1 \| good	2.707 \| good	0.271 \| good
2025-06-18T07:00:00.000Z	33 \| good	6.268 \| good	16.82 \| good	22.781 \| good	1.002 \| good	7.971 \| good	0.268 \| good
2025-06-18T08:00:00.000Z	33 \| good	6.417 \| good	11.47 \| good	21.94 \| good	1.004 \| good	5.919 \| good	0.254 \| good
2025-06-18T09:00:00.000Z	33 \| good	6.178 \| good	14.1 \| good	22.201 \| good	1.05 \| good	6.088 \| good	0.246 \| good
2025-06-18T10:00:00.000Z	27 \| good	5.245 \| good	11.715 \| good	24.075 \| good	1.135 \| good	5.19 \| good	0.235 \| good
2025-06-18T11:00:00.000Z	27 \| good	4.569 \| good	14.1 \| good	23.244 \| good	1.312 \| good	4.653 \| good	0.246 \| good
2025-06-18T12:00:00.000Z	27 \| good	5.298 \| good	14.915 \| good	24.307 \| good	1.226 \| good	5.225 \| good	0.235 \| good
2025-06-18T13:00:00.000Z	27 \| good	5.244 \| good	13.165 \| good	28.228 \| good	1.225 \| good	4.804 \| good	0.239 \| good
2025-06-18T14:00:00.000Z	38 \| good	6.759 \| good	10.987 \| good	28.741 \| good	0.983 \| good	4.933 \| good	0.23 \| good
2025-06-18T15:00:00.000Z	31 \| good	5.338 \| good	12.076 \| good	34.294 \| good	1.048 \| good	5.91 \| good	0.243 \| good
2025-06-18T16:00:00.000Z	33 \| good	4.935 \| good	13.895 \| good	35.725 \| good	1.2 \| good	4.488 \| good	0.242 \| good
2025-06-18T17:00:00.000Z	42 \| good	6.24 \| good	11.147 \| good	44.552 \| good	1.204 \| good	8.491 \| good	0.235 \| good
2025-06-18T18:00:00.000Z	34 \| good	5.895 \| good	10.541 \| good	37.05 \| good	1.137 \| good	6.835 \| good	0.281 \| good
2025-06-18T19:00:00.000Z	44 \| good	4.66 \| good	10.38 \| good	48.058 \| good	0.99 \| good	4.035 \| good	0.378 \| good
2025-06-18T20:00:00.000Z	41 \| good	5.92 \| good	12.94 \| good	43.631 \| good	1.101 \| good	7.56 \| good	0.335 \| good
2025-06-18T21:00:00.000Z	45 \| good	5.42 \| good	12.94 \| good	48.894 \| good	1.101 \| good	6.899 \| good	0.35 \| good
2025-06-18T22:00:00.000Z	42 \| good	5.623 \| good	11.622 \| good	45.392 \| good	1.108 \| good	13.13 \| good	0.376 \| good
2025-06-18T23:00:00.000Z	38 \| good	6.569 \| good	11.749 \| good	38.362 \| good	0.962 \| good	5.988 \| good	0.369 \| good
2025-06-19T00:00:00.000Z	36 \| good	6.156 \| good	9.795 \| good	38.594 \| good	1.078 \| good	7.902 \| good	0.329 \| good
2025-06-19T01:00:00.000Z	44 \| good	8.209 \| good	17.893 \| good	36.113 \| good	1.033 \| good	5.944 \| good	0.295 \| good
2025-06-19T02:00:00.000Z	38 \| good	6.661 \| good	14.02 \| good	37.581 \| good	1.121 \| good	7.452 \| good	0.322 \| good
2025-06-19T03:00:00.000Z	44 \| good	7.797 \| good	18.249 \| good	34.66 \| good	1.127 \| good	9.689 \| good	0.348 \| good
2025-06-19T04:00:00.000Z	49 \| good	9.069 \| good	20.263 \| good	37.675 \| good	1.057 \| good	17.351 \| good	0.356 \| good
2025-06-19T05:00:00.000Z	52 \| moderate	9.846 \| good	16.82 \| good	25.628 \| good	1.105 \| good	11.386 \| good	0.027 \| good
2025-06-19T06:00:00.000Z	44 \| good	7.654 \| good	15.167 \| good	28.45 \| good	1.099 \| good	13.303 \| good	0.02 \| good
2025-06-19T07:00:00.000Z	38 \| good	7.164 \| good	18.313 \| good	27.668 \| good	1.011 \| good	11.803 \| good	0.019 \| good
2025-06-19T08:00:00.000Z	49 \| good	8.514 \| good	14.37 \| good	22.399 \| good	1.105 \| good	6.114 \| good	0.019 \| good
2025-06-19T09:00:00.000Z	54 \| moderate	11.003 \| good	15.676 \| good	26.093 \| good	1.26 \| good	15.292 \| good	0.019 \| good
2025-06-19T10:00:00.000Z	35 \| good	6.048 \| good	16.557 \| good	37.778 \| good	1.329 \| good	6.191 \| good	0.019 \| good
2025-06-19T11:00:00.000Z	49 \| good	9.226 \| good	17.26 \| good	20.918 \| good	0.993 \| good	3.392 \| good	0.018 \| good
2025-06-19T12:00:00.000Z	44 \| good	7.78 \| good	19.151 \| good	24.99 \| good	1.233 \| good	4.854 \| good	0.013 \| good
2025-06-19T13:00:00.000Z	44 \| good	7.884 \| good	22.329 \| good	34.462 \| good	1.051 \| good	6.631 \| good	0.018 \| good
2025-06-19T14:00:00.000Z	49 \| good	8.793 \| good	17.293 \| good	40.238 \| good	1.286 \| good	9.185 \| good	0.018 \| good
2025-06-19T15:00:00.000Z	49 \| good	8.84 \| good	14.798 \| good	51.926 \| good	1.116 \| good	7.983 \| good	0.019 \| good
2025-06-19T16:00:00.000Z	49 \| good	9.257 \| good	14.507 \| good	51.121 \| good	1.115 \| good	8.863 \| good	0.018 \| good
2025-06-19T17:00:00.000Z	61 \| moderate	10.099 \| good	19.066 \| good	57.76 \| fine	1.331 \| good	11.378 \| good	0.019 \| good
2025-06-19T18:00:00.000Z	61 \| moderate	9.221 \| good	19.592 \| good	57.537 \| fine	1.416 \| good	6.615 \| good	0.02 \| good
2025-06-19T19:00:00.000Z	49 \| good	8.713 \| good	24.264 \| good	49.627 \| good	1.355 \| good	10.602 \| good	0.02 \| good
2025-06-19T20:00:00.000Z	40 \| good	5.98 \| good	27.843 \| good	43.1 \| good	1.25 \| good	13.234 \| good	0.021 \| good
2025-06-19T21:00:00.000Z	71 \| moderate	11.213 \| good	18.474 \| good	61.285 \| fine	1.565 \| good	7.352 \| good	0.022 \| good
2025-06-19T22:00:00.000Z	49 \| good	9.025 \| good	19.2 \| good	51.109 \| good	1.445 \| good	8.328 \| good	0.017 \| good
2025-06-19T23:00:00.000Z	49 \| good	9.025 \| good	19.2 \| good	51.109 \| good	1.445 \| good	8.328 \| good	0.017 \| good
2025-06-19T06:00:00.000Z	66 \| moderate	16.823 \| fine	21.062 \| good	18.957 \| good	0.402 \| good	7.19 \| good	0.165 \| good
2025-06-19T07:00:00.000Z	62 \| moderate	14.921 \| fine	18.424 \| good	21.285 \| good	0.508 \| good	6.863 \| good	0.166 \| good
2025-06-19T08:00:00.000Z	58 \| moderate	12.714 \| fine	16.761 \| good	25.882 \| good	0.564 \| good	6.843 \| good	0.164 \| good
2025-06-19T09:00:00.000Z	54 \| moderate	10.987 \| good	16.88 \| good	34.802 \| good	0.604 \| good	6.476 \| good	0.164 \| good
2025-06-19T10:00:00.000Z	52 \| moderate	9.71 \| good	15.787 \| good	43.479 \| good	0.508 \| good	5.204 \| good	0.159 \| good
2025-06-19T11:00:00.000Z	52 \| moderate	10.469 \| good	13.745 \| good	52.895 \| good	0.423 \| good	3.669 \| good	0.156 \| good
2025-06-19T12:00:00.000Z	67 \| moderate	9.416 \| good	12.858 \| good	60.009 \| fine	0.366 \| good	2.651 \| good	0.154 \| good
2025-06-19T13:00:00.000Z	84 \| moderate	9.37 \| good	12.2 \| good	65.363 \| fine	0.328 \| good	2.079 \| good	0.153 \| good
2025-06-19T14:00:00.000Z	93 \| moderate	9.311 \| good	12.351 \| good	68.05 \| fine	0.304 \| good	1.882 \| good	0.151 \| good
2025-06-19T15:00:00.000Z	101 \| sensitive	9.386 \| good	12.619 \| good	71.091 \| moderate	0.293 \| good	1.837 \| good	0.151 \| good
2025-06-19T16:00:00.000Z	101 \| sensitive	9.271 \| good	13.16 \| good	70.792 \| fine	0.28 \| good	2.05 \| good	0.154 \| good
2025-06-19T17:00:00.000Z	93 \| moderate	9.412 \| good	12.747 \| good	67.689 \| fine	0.285 \| good	2.43 \| good	0.156 \| good
2025-06-19T18:00:00.000Z	64 \| moderate	8.689 \| good	11.459 \| good	58.934 \| fine	0.302 \| good	2.869 \| good	0.154 \| good
2025-06-19T19:00:00.000Z	46 \| good	7.666 \| good	9.414 \| good	50.338 \| good	0.297 \| good	3.53 \| good	0.145 \| good
2025-06-19T20:00:00.000Z	41 \| good	7.494 \| good	9.135 \| good	44.258 \| good	0.326 \| good	4.39 \| good	0.143 \| good
2025-06-19T21:00:00.000Z	39 \| good	6.923 \| good	9.776 \| good	41.936 \| good	0.317 \| good	5.009 \| good	0.14 \| good
2025-06-19T22:00:00.000Z	38 \| good	6.678 \| good	11.035 \| good	38.664 \| good	0.283 \| good	4.977 \| good	0.138 \| good
2025-06-19T23:00:00.000Z	38 \| good	6.559 \| good	10.378 \| good	36.235 \| good	0.245 \| good	5.118 \| good	0.138 \| good
2025-06-20T00:00:00.000Z	33 \| good	6.411 \| good	10.249 \| good	34.401 \| good	0.213 \| good	5.353 \| good	0.136 \| good
2025-06-20T01:00:00.000Z	38 \| good	6.996 \| good	10.472 \| good	32.544 \| good	0.189 \| good	5.119 \| good	0.134 \| good
2025-06-20T02:00:00.000Z	38 \| good	7.362 \| good	10.716 \| good	30.389 \| good	0.169 \| good	4.491 \| good	0.131 \| good
2025-06-20T03:00:00.000Z	38 \| good	7.473 \| good	10.661 \| good	28.986 \| good	0.158 \| good	4.189 \| good	0.132 \| good
2025-06-20T04:00:00.000Z	44 \| good	7.838 \| good	11.605 \| good	27.442 \| good	0.189 \| good	4.797 \| good	0.133 \| good
2025-06-20T05:00:00.000Z	49 \| good	8.943 \| good	13.31 \| good	26.214 \| good	0.302 \| good	4.99 \| good	0.144 \| good
2025-06-20T06:00:00.000Z	52 \| moderate	9.719 \| good	14.701 \| good	24.684 \| good	0.476 \| good	5.548 \| good	0.152 \| good
2025-06-20T07:00:00.000Z	52 \| moderate	10.266 \| good	15.726 \| good	23.983 \| good	0.537 \| good	7.053 \| good	0.158 \| good
2025-06-20T08:00:00.000Z	49 \| good	8.692 \| good	13.546 \| good	27.287 \| good	0.592 \| good	6.991 \| good	0.158 \| good
2025-06-20T09:00:00.000Z	44 \| good	7.77 \| good	11.297 \| good	31.71 \| good	0.584 \| good	6.402 \| good	0.156 \| good
2025-06-20T10:00:00.000Z	38 \| good	7.121 \| good	9.76 \| good	35.515 \| good	0.547 \| good	5.371 \| good	0.152 \| good
2025-06-20T11:00:00.000Z	38 \| good	6.528 \| good	9.725 \| good	39.69 \| good	0.471 \| good	4.259 \| good	0.149 \| good
2025-06-20T12:00:00.000Z	41 \| good	6.591 \| good	9.786 \| good	43.753 \| good	0.416 \| good	3.408 \| good	0.145 \| good
2025-06-20T13:00:00.000Z	42 \| good	6.132 \| good	9.327 \| good	44.92 \| good	0.371 \| good	2.636 \| good	0.144 \| good
2025-06-20T14:00:00.000Z	43 \| good	6.264 \| good	8.708 \| good	46.465 \| good	0.362 \| good	2.325 \| good	0.146 \| good
2025-06-20T15:00:00.000Z	44 \| good	6.203 \| good	8.321 \| good	47.649 \| good	0.382 \| good	2.376 \| good	0.144 \| good
2025-06-20T16:00:00.000Z	44 \| good	6.176 \| good	8.488 \| good	47.804 \| good	0.403 \| good	2.651 \| good	0.144 \| good
2025-06-20T17:00:00.000Z	44 \| good	6.43 \| good	8.458 \| good	47.226 \| good	0.398 \| good	2.905 \| good	0.145 \| good
2025-06-20T18:00:00.000Z	43 \| good	6.446 \| good	8.081 \| good	45.615 \| good	0.481 \| good	3.093 \| good	0.148 \| good
2025-06-20T19:00:00.000Z	40 \| good	6.453 \| good	8.25 \| good	42.562 \| good	0.554 \| good	3.129 \| good	0.148 \| good
2025-06-20T20:00:00.000Z	38 \| good	7.159 \| good	9.064 \| good	39.636 \| good	0.565 \| good	4.026 \| good	0.147 \| good
2025-06-20T21:00:00.000Z	44 \| good	8.062 \| good	10.666 \| good	39.72 \| good	0.586 \| good	6.109 \| good	0.151 \| good
2025-06-20T22:00:00.000Z	49 \| good	8.883 \| good	12.972 \| good	37.608 \| good	0.566 \| good	6.846 \| good	0.154 \| good
2025-06-20T23:00:00.000Z	52 \| moderate	9.7 \| good	13.139 \| good	34.084 \| good	0.525 \| good	7.512 \| good	0.153 \| good
2025-06-21T00:00:00.000Z	54 \| moderate	11.138 \| good	15.304 \| good	34.968 \| good	0.456 \| good	7.321 \| good	0.156 \| good
2025-06-21T01:00:00.000Z	58 \| moderate	12.758 \| fine	16.802 \| good	32.911 \| good	0.378 \| good	7.597 \| good	0.16 \| good
2025-06-21T02:00:00.000Z	60 \| moderate	14.034 \| fine	18.045 \| good	30.009 \| good	0.341 \| good	7.916 \| good	0.167 \| good
2025-06-21T03:00:00.000Z	58 \| moderate	13.083 \| fine	18.822 \| good	25.516 \| good	0.336 \| good	7.708 \| good	0.171 \| good
2025-06-21T04:00:00.000Z	58 \| moderate	13.11 \| fine	17.948 \| good	21.113 \| good	0.381 \| good	8.151 \| good	0.174 \| good
2025-06-21T05:00:00.000Z	56 \| moderate	11.82 \| good	17.123 \| good	23.636 \| good	0.469 \| good	7.428 \| good	0.17 \| good

Live air quality index in Stevenage, Hertfordshire today

Major 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

Hitchin, Hertfordshire

Letchworth, Hertfordshire

Baldock, Hertfordshire

Welwyn Garden City, Hertfordshire

Stotfold, Central Bedfordshire

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?