What are the current PM10 levels at Ascot, Windsor and Maidenhead?

The current PM10 levels in Ascot, Windsor and Maidenhead are 11.333 μg/m3.

What are the current sulfur dioxide (SO2) levels at Ascot, Windsor and Maidenhead?

The current sulfur dioxide (SO2) levels in Ascot, Windsor and Maidenhead are 1.59 ppb.

What are the current ozone (O3) levels at Ascot, Windsor and Maidenhead?

The current ozone (O3) levels at Ascot, Windsor and Maidenhead is 16.026 ppm.

What are the current nitrogen dioxide (NO2) levels at Ascot, Windsor and Maidenhead?

The current nitrogen dioxide (NO2) levels at Ascot, Windsor and Maidenhead is 4.834 ppb.

Real-time air quality index in Ascot, Windsor and Maidenhead today

Name: Live air pollution levels in Ascot, Windsor And Maidenhead today
Creator: Ambee

Stay updated with real-time air quality in Ascot, Windsor and Maidenhead 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

Ascot, Windsor and Maidenhead

Last updated: ... (Local time)

Common air pollutants in Ascot, Windsor and Maidenhead

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

2.78 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

8.49 μg/m³

155

255

425

605+

Ozone (O₃)

23.19 ppb

201

201+

Sulfur Dioxide (SO₂)

0.74 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

11.63 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.02 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

Ascot, Windsor and Maidenhead

Get Live Pollen Counts

Ascot, Windsor and Maidenhead

Scroll To Air Quality Map

Track live Ascot, Windsor and Maidenhead air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-20T19:00:00.000Z	27 \| good	3.602 \| good	8.311 \| good	29.115 \| good	0.917 \| good	2.596 \| good	0.019 \| good
2025-07-20T20:00:00.000Z	28 \| good	3.526 \| good	8.625 \| good	29.563 \| good	0.827 \| good	4.61 \| good	0.023 \| good
2025-07-20T21:00:00.000Z	27 \| good	3.487 \| good	8.846 \| good	29.055 \| good	0.766 \| good	5.909 \| good	0.024 \| good
2025-07-20T22:00:00.000Z	26 \| good	3.166 \| good	9.124 \| good	27.933 \| good	0.762 \| good	5.411 \| good	0.018 \| good
2025-07-20T23:00:00.000Z	28 \| good	5.394 \| good	9.524 \| good	30.249 \| good	0.842 \| good	6.791 \| good	0.018 \| good
2025-07-21T00:00:00.000Z	28 \| good	3.587 \| good	12.037 \| good	29.594 \| good	0.776 \| good	3.572 \| good	0.283 \| good
2025-07-21T01:00:00.000Z	21 \| good	3.144 \| good	9.643 \| good	23.102 \| good	0.778 \| good	3.842 \| good	0.269 \| good
2025-07-21T02:00:00.000Z	24 \| good	3.116 \| good	20.38 \| good	25.872 \| good	0.725 \| good	7.876 \| good	0.271 \| good
2025-07-21T03:00:00.000Z	22 \| good	3.112 \| good	9.339 \| good	23.891 \| good	0.625 \| good	6.773 \| good	0.266 \| good
2025-07-21T04:00:00.000Z	23 \| good	3.13 \| good	9.821 \| good	24.743 \| good	0.573 \| good	6.176 \| good	0.273 \| good
2025-07-21T05:00:00.000Z	26 \| good	3.203 \| good	9.487 \| good	28.129 \| good	0.625 \| good	4.189 \| good	0.018 \| good
2025-07-21T06:00:00.000Z	16 \| good	3.217 \| good	8.29 \| good	16.287 \| good	0.709 \| good	5.551 \| good	0.021 \| good
2025-07-21T07:00:00.000Z	20 \| good	3.235 \| good	9.518 \| good	22.44 \| good	0.703 \| good	9.05 \| good	0.02 \| good
2025-07-21T08:00:00.000Z	20 \| good	3.324 \| good	10.56 \| good	21.563 \| good	0.701 \| good	13.575 \| good	0.018 \| good
2025-07-21T09:00:00.000Z	24 \| good	3.458 \| good	12.711 \| good	25.839 \| good	0.747 \| good	10.391 \| good	0.018 \| good
2025-07-21T10:00:00.000Z	22 \| good	3.237 \| good	11.434 \| good	23.745 \| good	0.695 \| good	10.851 \| good	0.016 \| good
2025-07-21T11:00:00.000Z	16 \| good	3.167 \| good	9.615 \| good	13.714 \| good	0.699 \| good	5.087 \| good	0.016 \| good
2025-07-21T12:00:00.000Z	17 \| good	3.272 \| good	10.387 \| good	17.561 \| good	0.698 \| good	4.498 \| good	0.018 \| good
2025-07-21T13:00:00.000Z	20 \| good	3.107 \| good	11.07 \| good	21.809 \| good	0.699 \| good	4.298 \| good	0.019 \| good
2025-07-21T14:00:00.000Z	20 \| good	3.058 \| good	10.527 \| good	21.603 \| good	0.7 \| good	8.325 \| good	0.018 \| good
2025-07-21T15:00:00.000Z	25 \| good	3.328 \| good	11.059 \| good	27.223 \| good	0.79 \| good	7.963 \| good	0.018 \| good
2025-07-21T16:00:00.000Z	28 \| good	3.149 \| good	11.091 \| good	29.554 \| good	0.697 \| good	7.401 \| good	0.018 \| good
2025-07-21T17:00:00.000Z	27 \| good	2.943 \| good	9.219 \| good	28.824 \| good	0.673 \| good	6.956 \| good	0.019 \| good
2025-07-21T18:00:00.000Z	27 \| good	2.961 \| good	7.547 \| good	29.371 \| good	0.703 \| good	6.729 \| good	0.02 \| good
2025-07-21T19:00:00.000Z	30 \| good	3.384 \| good	8.935 \| good	32.345 \| good	0.746 \| good	7.53 \| good	0.02 \| good
2025-07-21T20:00:00.000Z	28 \| good	3.397 \| good	10.649 \| good	30.215 \| good	0.625 \| good	5.362 \| good	0.028 \| good
2025-07-21T21:00:00.000Z	25 \| good	3.299 \| good	9.37 \| good	26.603 \| good	0.695 \| good	5.444 \| good	0.026 \| good
2025-07-21T22:00:00.000Z	31 \| good	3.305 \| good	10.354 \| good	32.853 \| good	0.621 \| good	6.005 \| good	0.016 \| good
2025-07-21T23:00:00.000Z	26 \| good	3.196 \| good	9.581 \| good	28.376 \| good	0.624 \| good	8.132 \| good	0.016 \| good
2025-07-22T00:00:00.000Z	26 \| good	3.312 \| good	9.828 \| good	27.874 \| good	0.654 \| good	6.423 \| good	0.258 \| good
2025-07-22T01:00:00.000Z	22 \| good	4.292 \| good	11.868 \| good	23.429 \| good	0.564 \| good	4.845 \| good	0.239 \| good
2025-07-22T02:00:00.000Z	27 \| good	5.247 \| good	11.58 \| good	24.683 \| good	0.668 \| good	4.455 \| good	0.235 \| good
2025-07-22T03:00:00.000Z	22 \| good	3.638 \| good	10.037 \| good	20.389 \| good	0.783 \| good	3.782 \| good	0.234 \| good
2025-07-22T04:00:00.000Z	19 \| good	3.199 \| good	13.93 \| good	19.925 \| good	0.569 \| good	4.9 \| good	0.237 \| good
2025-07-22T05:00:00.000Z	16 \| good	3.046 \| good	8.49 \| good	17.102 \| good	0.743 \| good	5.394 \| good	0.019 \| good
2025-07-22T06:00:00.000Z	16 \| good	2.963 \| good	11.475 \| good	17.298 \| good	0.667 \| good	4.747 \| good	0.017 \| good
2025-07-22T07:00:00.000Z	16 \| good	2.737 \| good	11.232 \| good	15.652 \| good	0.737 \| good	6.682 \| good	0.018 \| good
2025-07-22T08:00:00.000Z	18 \| good	2.493 \| good	9.158 \| good	18.973 \| good	0.667 \| good	5.647 \| good	0.016 \| good
2025-07-22T09:00:00.000Z	19 \| good	2.362 \| good	8.1 \| good	20.519 \| good	0.668 \| good	5.406 \| good	0.015 \| good
2025-07-22T10:00:00.000Z	16 \| good	2.572 \| good	7.823 \| good	17.097 \| good	0.667 \| good	8.247 \| good	0.015 \| good
2025-07-22T11:00:00.000Z	17 \| good	2.616 \| good	9.328 \| good	17.64 \| good	0.74 \| good	7.445 \| good	0.015 \| good
2025-07-22T12:00:00.000Z	19 \| good	2.55 \| good	8.225 \| good	20.349 \| good	0.747 \| good	8.832 \| good	0.018 \| good
2025-07-22T13:00:00.000Z	22 \| good	4.496 \| good	8.831 \| good	20.172 \| good	0.795 \| good	8.558 \| good	0.019 \| good
2025-07-22T14:00:00.000Z	22 \| good	2.176 \| good	8.025 \| good	23.526 \| good	0.787 \| good	8.192 \| good	0.014 \| good
2025-07-22T15:00:00.000Z	21 \| good	2.499 \| good	8.809 \| good	23.073 \| good	0.741 \| good	10.419 \| good	0.014 \| good
2025-07-22T16:00:00.000Z	23 \| good	2.634 \| good	7.985 \| good	25.363 \| good	0.666 \| good	9.25 \| good	0.015 \| good
2025-07-22T17:00:00.000Z	21 \| good	2.501 \| good	7.527 \| good	23.133 \| good	0.737 \| good	7.95 \| good	0.016 \| good
2025-07-22T18:00:00.000Z	21 \| good	2.778 \| good	8.486 \| good	23.192 \| good	0.736 \| good	11.631 \| good	0.016 \| good
2025-07-22T18:00:00.000Z	21 \| good	2.778 \| good	8.486 \| good	23.192 \| good	0.736 \| good	11.631 \| good	0.016 \| good
2025-07-18T04:00:00.000Z	33 \| good	5.832 \| good	9.142 \| good	15.867 \| good	0.075 \| good	4.304 \| good	0.103 \| good
2025-07-18T05:00:00.000Z	38 \| good	7.26 \| good	9.769 \| good	15.678 \| good	0.078 \| good	5.013 \| good	0.105 \| good
2025-07-18T06:00:00.000Z	44 \| good	7.992 \| good	10.71 \| good	14.405 \| good	0.081 \| good	5.655 \| good	0.108 \| good
2025-07-18T07:00:00.000Z	38 \| good	7.35 \| good	10.43 \| good	15.843 \| good	0.114 \| good	6.809 \| good	0.117 \| good
2025-07-18T08:00:00.000Z	38 \| good	6.707 \| good	9.694 \| good	21.248 \| good	0.12 \| good	5.657 \| good	0.115 \| good
2025-07-18T09:00:00.000Z	33 \| good	5.688 \| good	8.147 \| good	27.433 \| good	0.114 \| good	3.553 \| good	0.112 \| good
2025-07-18T10:00:00.000Z	31 \| good	5.147 \| good	7.378 \| good	34.451 \| good	0.094 \| good	2.087 \| good	0.113 \| good
2025-07-18T11:00:00.000Z	36 \| good	4.903 \| good	6.559 \| good	39.153 \| good	0.088 \| good	1.629 \| good	0.113 \| good
2025-07-18T12:00:00.000Z	40 \| good	4.41 \| good	6.147 \| good	43.088 \| good	0.089 \| good	1.506 \| good	0.111 \| good
2025-07-18T13:00:00.000Z	42 \| good	4.097 \| good	5.575 \| good	44.959 \| good	0.097 \| good	1.412 \| good	0.111 \| good
2025-07-18T14:00:00.000Z	42 \| good	4.068 \| good	5.519 \| good	45.496 \| good	0.111 \| good	1.487 \| good	0.111 \| good
2025-07-18T15:00:00.000Z	44 \| good	4.244 \| good	5.498 \| good	47.386 \| good	0.127 \| good	1.89 \| good	0.111 \| good
2025-07-18T16:00:00.000Z	44 \| good	4.424 \| good	5.808 \| good	47.6 \| good	0.14 \| good	2.109 \| good	0.111 \| good
2025-07-18T17:00:00.000Z	42 \| good	4.45 \| good	5.816 \| good	45.24 \| good	0.141 \| good	2.766 \| good	0.112 \| good
2025-07-18T18:00:00.000Z	40 \| good	4.459 \| good	5.907 \| good	42.641 \| good	0.153 \| good	2.847 \| good	0.113 \| good
2025-07-18T19:00:00.000Z	37 \| good	4.817 \| good	6.04 \| good	40.415 \| good	0.162 \| good	3.244 \| good	0.113 \| good
2025-07-18T20:00:00.000Z	35 \| good	5.183 \| good	6.645 \| good	37.644 \| good	0.213 \| good	4.354 \| good	0.115 \| good
2025-07-18T21:00:00.000Z	30 \| good	5.225 \| good	7.931 \| good	32.265 \| good	0.292 \| good	7.105 \| good	0.117 \| good
2025-07-18T22:00:00.000Z	33 \| good	5.579 \| good	8.568 \| good	26.075 \| good	0.349 \| good	9.315 \| good	0.119 \| good
2025-07-18T23:00:00.000Z	33 \| good	5.618 \| good	8.902 \| good	21.597 \| good	0.353 \| good	10.195 \| good	0.121 \| good
2025-07-19T00:00:00.000Z	33 \| good	5.525 \| good	9.563 \| good	18.438 \| good	0.341 \| good	10.257 \| good	0.122 \| good
2025-07-19T01:00:00.000Z	33 \| good	5.622 \| good	9.199 \| good	17.31 \| good	0.256 \| good	9.101 \| good	0.121 \| good
2025-07-19T02:00:00.000Z	33 \| good	5.852 \| good	8.906 \| good	17.9 \| good	0.205 \| good	7.937 \| good	0.121 \| good
2025-07-19T03:00:00.000Z	33 \| good	6.093 \| good	8.311 \| good	20.517 \| good	0.144 \| good	5.256 \| good	0.118 \| good
2025-07-19T04:00:00.000Z	33 \| good	6.16 \| good	7.715 \| good	22.45 \| good	0.122 \| good	4.005 \| good	0.114 \| good
2025-07-19T05:00:00.000Z	27 \| good	5.118 \| good	6.096 \| good	25.414 \| good	0.102 \| good	3.41 \| good	0.113 \| good
2025-07-19T06:00:00.000Z	28 \| good	4.643 \| good	5.189 \| good	29.776 \| good	0.1 \| good	3.329 \| good	0.115 \| good
2025-07-19T07:00:00.000Z	31 \| good	3.828 \| good	4.203 \| good	34.139 \| good	0.117 \| good	4.324 \| good	0.122 \| good
2025-07-19T08:00:00.000Z	32 \| good	3.742 \| good	3.999 \| good	35.348 \| good	0.122 \| good	4.427 \| good	0.125 \| good
2025-07-19T09:00:00.000Z	32 \| good	3.684 \| good	4.155 \| good	34.689 \| good	0.127 \| good	4.879 \| good	0.129 \| good
2025-07-19T10:00:00.000Z	31 \| good	3.608 \| good	4.036 \| good	34.256 \| good	0.135 \| good	4.455 \| good	0.13 \| good
2025-07-19T11:00:00.000Z	32 \| good	3.558 \| good	3.999 \| good	34.733 \| good	0.119 \| good	4.111 \| good	0.128 \| good
2025-07-19T12:00:00.000Z	36 \| good	3.477 \| good	3.952 \| good	39.039 \| good	0.094 \| good	3.607 \| good	0.122 \| good
2025-07-19T13:00:00.000Z	41 \| good	3.439 \| good	4.289 \| good	43.932 \| good	0.086 \| good	2.671 \| good	0.118 \| good
2025-07-19T14:00:00.000Z	41 \| good	3.649 \| good	5.488 \| good	43.505 \| good	0.087 \| good	2.143 \| good	0.116 \| good
2025-07-19T15:00:00.000Z	43 \| good	3.843 \| good	5.778 \| good	45.73 \| good	0.137 \| good	2.096 \| good	0.115 \| good
2025-07-19T16:00:00.000Z	41 \| good	4.277 \| good	5.015 \| good	44.064 \| good	0.124 \| good	1.728 \| good	0.112 \| good
2025-07-19T17:00:00.000Z	34 \| good	3.493 \| good	4.617 \| good	36.847 \| good	0.119 \| good	1.929 \| good	0.107 \| good
2025-07-19T18:00:00.000Z	31 \| good	2.797 \| good	3.628 \| good	33.942 \| good	0.139 \| good	2.048 \| good	0.103 \| good
2025-07-19T19:00:00.000Z	29 \| good	2.881 \| good	3.528 \| good	30.716 \| good	0.163 \| good	2.543 \| good	0.103 \| good
2025-07-19T20:00:00.000Z	30 \| good	3.342 \| good	4.263 \| good	31.559 \| good	0.191 \| good	2.865 \| good	0.106 \| good
2025-07-19T21:00:00.000Z	31 \| good	3.648 \| good	4.974 \| good	32.684 \| good	0.183 \| good	3.56 \| good	0.107 \| good
2025-07-19T22:00:00.000Z	31 \| good	3.974 \| good	5.449 \| good	32.953 \| good	0.155 \| good	4.02 \| good	0.105 \| good
2025-07-19T23:00:00.000Z	29 \| good	4.342 \| good	5.905 \| good	31.325 \| good	0.12 \| good	4.487 \| good	0.103 \| good
2025-07-20T00:00:00.000Z	28 \| good	4.51 \| good	6.234 \| good	30.19 \| good	0.091 \| good	4.34 \| good	0.102 \| good
2025-07-20T01:00:00.000Z	27 \| good	4.257 \| good	5.915 \| good	29.25 \| good	0.081 \| good	4.106 \| good	0.099 \| good
2025-07-20T02:00:00.000Z	28 \| good	4.21 \| good	5.675 \| good	29.758 \| good	0.071 \| good	3.36 \| good	0.097 \| good
2025-07-20T03:00:00.000Z	28 \| good	4.112 \| good	5.812 \| good	29.815 \| good	0.062 \| good	2.956 \| good	0.1 \| good

Ascot

Empower business decisions with accurate air quality data

Ascot, Windsor and Maidenhead air quality map: Real-time AQI near you

0.22ppm

How accurate is Windsor and Maidenhead, UK air quality data?

Air quality measurements for Windsor and Maidenhead, 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 Ascot, Windsor and Maidenhead updated?

Air quality data for Ascot, Windsor and Maidenhead is updated on an hourly basis.

When did Ascot, Windsor and Maidenhead experience the worst air quality in the last 24 hours?

The worst air quality in Ascot, Windsor and Maidenhead was recorded at 11:00:00 on 2025-07-17.

When did Ascot, Windsor and Maidenhead have its best air quality in the last 24 hours?

The best air quality in Ascot, Windsor and Maidenhead was recorded at 02:00:00 on 2025-07-18.

What is the real-time air quality index for Ascot, Windsor and Maidenhead?

The real-time air quality index in Ascot, Windsor and Maidenhead is 16, currently categorized as Good.

Which pollutant is found most often in Ascot, Windsor and Maidenhead?

The most common pollutant in Ascot, Windsor and Maidenhead is PM2.5.

What can I do if the air quality in Ascot, Windsor and Maidenhead is poor?

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

What are the current PM_2.5 levels in Ascot, Windsor and Maidenhead?

The measured PM_2.5 levels in Ascot, Windsor and Maidenhead at present are 3.277 μg/m³.

What are the current PM₁₀ levels at Ascot, Windsor and Maidenhead?

The current PM₁₀ levels in Ascot, Windsor and Maidenhead are 11.333 μg/m³.

What are the current carbon monoxide (CO) levels at Ascot, Windsor and Maidenhead?

The current carbon monoxide (CO) level in Ascot, Windsor and Maidenhead is 0.219 ppm.

What are the current sulfur dioxide (SO₂) levels at Ascot, Windsor and Maidenhead?

The current sulfur dioxide (SO₂) levels in Ascot, Windsor and Maidenhead are 1.59 ppb.

What are the current ozone (O₃) levels at Ascot, Windsor and Maidenhead?

The current ozone (O₃) levels at Ascot, Windsor and Maidenhead is 16.026 ppm.

What are the current nitrogen dioxide (NO₂) levels at Ascot, Windsor and Maidenhead?

The current nitrogen dioxide (NO₂) levels at Ascot, Windsor and Maidenhead is 4.834 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-20T19:00:00.000Z	27 \| good	3.602 \| good	8.311 \| good	29.115 \| good	0.917 \| good	2.596 \| good	0.019 \| good
2025-07-20T20:00:00.000Z	28 \| good	3.526 \| good	8.625 \| good	29.563 \| good	0.827 \| good	4.61 \| good	0.023 \| good
2025-07-20T21:00:00.000Z	27 \| good	3.487 \| good	8.846 \| good	29.055 \| good	0.766 \| good	5.909 \| good	0.024 \| good
2025-07-20T22:00:00.000Z	26 \| good	3.166 \| good	9.124 \| good	27.933 \| good	0.762 \| good	5.411 \| good	0.018 \| good
2025-07-20T23:00:00.000Z	28 \| good	5.394 \| good	9.524 \| good	30.249 \| good	0.842 \| good	6.791 \| good	0.018 \| good
2025-07-21T00:00:00.000Z	28 \| good	3.587 \| good	12.037 \| good	29.594 \| good	0.776 \| good	3.572 \| good	0.283 \| good
2025-07-21T01:00:00.000Z	21 \| good	3.144 \| good	9.643 \| good	23.102 \| good	0.778 \| good	3.842 \| good	0.269 \| good
2025-07-21T02:00:00.000Z	24 \| good	3.116 \| good	20.38 \| good	25.872 \| good	0.725 \| good	7.876 \| good	0.271 \| good
2025-07-21T03:00:00.000Z	22 \| good	3.112 \| good	9.339 \| good	23.891 \| good	0.625 \| good	6.773 \| good	0.266 \| good
2025-07-21T04:00:00.000Z	23 \| good	3.13 \| good	9.821 \| good	24.743 \| good	0.573 \| good	6.176 \| good	0.273 \| good
2025-07-21T05:00:00.000Z	26 \| good	3.203 \| good	9.487 \| good	28.129 \| good	0.625 \| good	4.189 \| good	0.018 \| good
2025-07-21T06:00:00.000Z	16 \| good	3.217 \| good	8.29 \| good	16.287 \| good	0.709 \| good	5.551 \| good	0.021 \| good
2025-07-21T07:00:00.000Z	20 \| good	3.235 \| good	9.518 \| good	22.44 \| good	0.703 \| good	9.05 \| good	0.02 \| good
2025-07-21T08:00:00.000Z	20 \| good	3.324 \| good	10.56 \| good	21.563 \| good	0.701 \| good	13.575 \| good	0.018 \| good
2025-07-21T09:00:00.000Z	24 \| good	3.458 \| good	12.711 \| good	25.839 \| good	0.747 \| good	10.391 \| good	0.018 \| good
2025-07-21T10:00:00.000Z	22 \| good	3.237 \| good	11.434 \| good	23.745 \| good	0.695 \| good	10.851 \| good	0.016 \| good
2025-07-21T11:00:00.000Z	16 \| good	3.167 \| good	9.615 \| good	13.714 \| good	0.699 \| good	5.087 \| good	0.016 \| good
2025-07-21T12:00:00.000Z	17 \| good	3.272 \| good	10.387 \| good	17.561 \| good	0.698 \| good	4.498 \| good	0.018 \| good
2025-07-21T13:00:00.000Z	20 \| good	3.107 \| good	11.07 \| good	21.809 \| good	0.699 \| good	4.298 \| good	0.019 \| good
2025-07-21T14:00:00.000Z	20 \| good	3.058 \| good	10.527 \| good	21.603 \| good	0.7 \| good	8.325 \| good	0.018 \| good
2025-07-21T15:00:00.000Z	25 \| good	3.328 \| good	11.059 \| good	27.223 \| good	0.79 \| good	7.963 \| good	0.018 \| good
2025-07-21T16:00:00.000Z	28 \| good	3.149 \| good	11.091 \| good	29.554 \| good	0.697 \| good	7.401 \| good	0.018 \| good
2025-07-21T17:00:00.000Z	27 \| good	2.943 \| good	9.219 \| good	28.824 \| good	0.673 \| good	6.956 \| good	0.019 \| good
2025-07-21T18:00:00.000Z	27 \| good	2.961 \| good	7.547 \| good	29.371 \| good	0.703 \| good	6.729 \| good	0.02 \| good
2025-07-21T19:00:00.000Z	30 \| good	3.384 \| good	8.935 \| good	32.345 \| good	0.746 \| good	7.53 \| good	0.02 \| good
2025-07-21T20:00:00.000Z	28 \| good	3.397 \| good	10.649 \| good	30.215 \| good	0.625 \| good	5.362 \| good	0.028 \| good
2025-07-21T21:00:00.000Z	25 \| good	3.299 \| good	9.37 \| good	26.603 \| good	0.695 \| good	5.444 \| good	0.026 \| good
2025-07-21T22:00:00.000Z	31 \| good	3.305 \| good	10.354 \| good	32.853 \| good	0.621 \| good	6.005 \| good	0.016 \| good
2025-07-21T23:00:00.000Z	26 \| good	3.196 \| good	9.581 \| good	28.376 \| good	0.624 \| good	8.132 \| good	0.016 \| good
2025-07-22T00:00:00.000Z	26 \| good	3.312 \| good	9.828 \| good	27.874 \| good	0.654 \| good	6.423 \| good	0.258 \| good
2025-07-22T01:00:00.000Z	22 \| good	4.292 \| good	11.868 \| good	23.429 \| good	0.564 \| good	4.845 \| good	0.239 \| good
2025-07-22T02:00:00.000Z	27 \| good	5.247 \| good	11.58 \| good	24.683 \| good	0.668 \| good	4.455 \| good	0.235 \| good
2025-07-22T03:00:00.000Z	22 \| good	3.638 \| good	10.037 \| good	20.389 \| good	0.783 \| good	3.782 \| good	0.234 \| good
2025-07-22T04:00:00.000Z	19 \| good	3.199 \| good	13.93 \| good	19.925 \| good	0.569 \| good	4.9 \| good	0.237 \| good
2025-07-22T05:00:00.000Z	16 \| good	3.046 \| good	8.49 \| good	17.102 \| good	0.743 \| good	5.394 \| good	0.019 \| good
2025-07-22T06:00:00.000Z	16 \| good	2.963 \| good	11.475 \| good	17.298 \| good	0.667 \| good	4.747 \| good	0.017 \| good
2025-07-22T07:00:00.000Z	16 \| good	2.737 \| good	11.232 \| good	15.652 \| good	0.737 \| good	6.682 \| good	0.018 \| good
2025-07-22T08:00:00.000Z	18 \| good	2.493 \| good	9.158 \| good	18.973 \| good	0.667 \| good	5.647 \| good	0.016 \| good
2025-07-22T09:00:00.000Z	19 \| good	2.362 \| good	8.1 \| good	20.519 \| good	0.668 \| good	5.406 \| good	0.015 \| good
2025-07-22T10:00:00.000Z	16 \| good	2.572 \| good	7.823 \| good	17.097 \| good	0.667 \| good	8.247 \| good	0.015 \| good
2025-07-22T11:00:00.000Z	17 \| good	2.616 \| good	9.328 \| good	17.64 \| good	0.74 \| good	7.445 \| good	0.015 \| good
2025-07-22T12:00:00.000Z	19 \| good	2.55 \| good	8.225 \| good	20.349 \| good	0.747 \| good	8.832 \| good	0.018 \| good
2025-07-22T13:00:00.000Z	22 \| good	4.496 \| good	8.831 \| good	20.172 \| good	0.795 \| good	8.558 \| good	0.019 \| good
2025-07-22T14:00:00.000Z	22 \| good	2.176 \| good	8.025 \| good	23.526 \| good	0.787 \| good	8.192 \| good	0.014 \| good
2025-07-22T15:00:00.000Z	21 \| good	2.499 \| good	8.809 \| good	23.073 \| good	0.741 \| good	10.419 \| good	0.014 \| good
2025-07-22T16:00:00.000Z	23 \| good	2.634 \| good	7.985 \| good	25.363 \| good	0.666 \| good	9.25 \| good	0.015 \| good
2025-07-22T17:00:00.000Z	21 \| good	2.501 \| good	7.527 \| good	23.133 \| good	0.737 \| good	7.95 \| good	0.016 \| good
2025-07-22T18:00:00.000Z	21 \| good	2.778 \| good	8.486 \| good	23.192 \| good	0.736 \| good	11.631 \| good	0.016 \| good
2025-07-22T18:00:00.000Z	21 \| good	2.778 \| good	8.486 \| good	23.192 \| good	0.736 \| good	11.631 \| good	0.016 \| good
2025-07-18T04:00:00.000Z	33 \| good	5.832 \| good	9.142 \| good	15.867 \| good	0.075 \| good	4.304 \| good	0.103 \| good
2025-07-18T05:00:00.000Z	38 \| good	7.26 \| good	9.769 \| good	15.678 \| good	0.078 \| good	5.013 \| good	0.105 \| good
2025-07-18T06:00:00.000Z	44 \| good	7.992 \| good	10.71 \| good	14.405 \| good	0.081 \| good	5.655 \| good	0.108 \| good
2025-07-18T07:00:00.000Z	38 \| good	7.35 \| good	10.43 \| good	15.843 \| good	0.114 \| good	6.809 \| good	0.117 \| good
2025-07-18T08:00:00.000Z	38 \| good	6.707 \| good	9.694 \| good	21.248 \| good	0.12 \| good	5.657 \| good	0.115 \| good
2025-07-18T09:00:00.000Z	33 \| good	5.688 \| good	8.147 \| good	27.433 \| good	0.114 \| good	3.553 \| good	0.112 \| good
2025-07-18T10:00:00.000Z	31 \| good	5.147 \| good	7.378 \| good	34.451 \| good	0.094 \| good	2.087 \| good	0.113 \| good
2025-07-18T11:00:00.000Z	36 \| good	4.903 \| good	6.559 \| good	39.153 \| good	0.088 \| good	1.629 \| good	0.113 \| good
2025-07-18T12:00:00.000Z	40 \| good	4.41 \| good	6.147 \| good	43.088 \| good	0.089 \| good	1.506 \| good	0.111 \| good
2025-07-18T13:00:00.000Z	42 \| good	4.097 \| good	5.575 \| good	44.959 \| good	0.097 \| good	1.412 \| good	0.111 \| good
2025-07-18T14:00:00.000Z	42 \| good	4.068 \| good	5.519 \| good	45.496 \| good	0.111 \| good	1.487 \| good	0.111 \| good
2025-07-18T15:00:00.000Z	44 \| good	4.244 \| good	5.498 \| good	47.386 \| good	0.127 \| good	1.89 \| good	0.111 \| good
2025-07-18T16:00:00.000Z	44 \| good	4.424 \| good	5.808 \| good	47.6 \| good	0.14 \| good	2.109 \| good	0.111 \| good
2025-07-18T17:00:00.000Z	42 \| good	4.45 \| good	5.816 \| good	45.24 \| good	0.141 \| good	2.766 \| good	0.112 \| good
2025-07-18T18:00:00.000Z	40 \| good	4.459 \| good	5.907 \| good	42.641 \| good	0.153 \| good	2.847 \| good	0.113 \| good
2025-07-18T19:00:00.000Z	37 \| good	4.817 \| good	6.04 \| good	40.415 \| good	0.162 \| good	3.244 \| good	0.113 \| good
2025-07-18T20:00:00.000Z	35 \| good	5.183 \| good	6.645 \| good	37.644 \| good	0.213 \| good	4.354 \| good	0.115 \| good
2025-07-18T21:00:00.000Z	30 \| good	5.225 \| good	7.931 \| good	32.265 \| good	0.292 \| good	7.105 \| good	0.117 \| good
2025-07-18T22:00:00.000Z	33 \| good	5.579 \| good	8.568 \| good	26.075 \| good	0.349 \| good	9.315 \| good	0.119 \| good
2025-07-18T23:00:00.000Z	33 \| good	5.618 \| good	8.902 \| good	21.597 \| good	0.353 \| good	10.195 \| good	0.121 \| good
2025-07-19T00:00:00.000Z	33 \| good	5.525 \| good	9.563 \| good	18.438 \| good	0.341 \| good	10.257 \| good	0.122 \| good
2025-07-19T01:00:00.000Z	33 \| good	5.622 \| good	9.199 \| good	17.31 \| good	0.256 \| good	9.101 \| good	0.121 \| good
2025-07-19T02:00:00.000Z	33 \| good	5.852 \| good	8.906 \| good	17.9 \| good	0.205 \| good	7.937 \| good	0.121 \| good
2025-07-19T03:00:00.000Z	33 \| good	6.093 \| good	8.311 \| good	20.517 \| good	0.144 \| good	5.256 \| good	0.118 \| good
2025-07-19T04:00:00.000Z	33 \| good	6.16 \| good	7.715 \| good	22.45 \| good	0.122 \| good	4.005 \| good	0.114 \| good
2025-07-19T05:00:00.000Z	27 \| good	5.118 \| good	6.096 \| good	25.414 \| good	0.102 \| good	3.41 \| good	0.113 \| good
2025-07-19T06:00:00.000Z	28 \| good	4.643 \| good	5.189 \| good	29.776 \| good	0.1 \| good	3.329 \| good	0.115 \| good
2025-07-19T07:00:00.000Z	31 \| good	3.828 \| good	4.203 \| good	34.139 \| good	0.117 \| good	4.324 \| good	0.122 \| good
2025-07-19T08:00:00.000Z	32 \| good	3.742 \| good	3.999 \| good	35.348 \| good	0.122 \| good	4.427 \| good	0.125 \| good
2025-07-19T09:00:00.000Z	32 \| good	3.684 \| good	4.155 \| good	34.689 \| good	0.127 \| good	4.879 \| good	0.129 \| good
2025-07-19T10:00:00.000Z	31 \| good	3.608 \| good	4.036 \| good	34.256 \| good	0.135 \| good	4.455 \| good	0.13 \| good
2025-07-19T11:00:00.000Z	32 \| good	3.558 \| good	3.999 \| good	34.733 \| good	0.119 \| good	4.111 \| good	0.128 \| good
2025-07-19T12:00:00.000Z	36 \| good	3.477 \| good	3.952 \| good	39.039 \| good	0.094 \| good	3.607 \| good	0.122 \| good
2025-07-19T13:00:00.000Z	41 \| good	3.439 \| good	4.289 \| good	43.932 \| good	0.086 \| good	2.671 \| good	0.118 \| good
2025-07-19T14:00:00.000Z	41 \| good	3.649 \| good	5.488 \| good	43.505 \| good	0.087 \| good	2.143 \| good	0.116 \| good
2025-07-19T15:00:00.000Z	43 \| good	3.843 \| good	5.778 \| good	45.73 \| good	0.137 \| good	2.096 \| good	0.115 \| good
2025-07-19T16:00:00.000Z	41 \| good	4.277 \| good	5.015 \| good	44.064 \| good	0.124 \| good	1.728 \| good	0.112 \| good
2025-07-19T17:00:00.000Z	34 \| good	3.493 \| good	4.617 \| good	36.847 \| good	0.119 \| good	1.929 \| good	0.107 \| good
2025-07-19T18:00:00.000Z	31 \| good	2.797 \| good	3.628 \| good	33.942 \| good	0.139 \| good	2.048 \| good	0.103 \| good
2025-07-19T19:00:00.000Z	29 \| good	2.881 \| good	3.528 \| good	30.716 \| good	0.163 \| good	2.543 \| good	0.103 \| good
2025-07-19T20:00:00.000Z	30 \| good	3.342 \| good	4.263 \| good	31.559 \| good	0.191 \| good	2.865 \| good	0.106 \| good
2025-07-19T21:00:00.000Z	31 \| good	3.648 \| good	4.974 \| good	32.684 \| good	0.183 \| good	3.56 \| good	0.107 \| good
2025-07-19T22:00:00.000Z	31 \| good	3.974 \| good	5.449 \| good	32.953 \| good	0.155 \| good	4.02 \| good	0.105 \| good
2025-07-19T23:00:00.000Z	29 \| good	4.342 \| good	5.905 \| good	31.325 \| good	0.12 \| good	4.487 \| good	0.103 \| good
2025-07-20T00:00:00.000Z	28 \| good	4.51 \| good	6.234 \| good	30.19 \| good	0.091 \| good	4.34 \| good	0.102 \| good
2025-07-20T01:00:00.000Z	27 \| good	4.257 \| good	5.915 \| good	29.25 \| good	0.081 \| good	4.106 \| good	0.099 \| good
2025-07-20T02:00:00.000Z	28 \| good	4.21 \| good	5.675 \| good	29.758 \| good	0.071 \| good	3.36 \| good	0.097 \| good
2025-07-20T03:00:00.000Z	28 \| good	4.112 \| good	5.812 \| good	29.815 \| good	0.062 \| good	2.956 \| good	0.1 \| good

Real-time air quality index in Ascot, Windsor and Maidenhead today

Common air pollutants in Ascot, Windsor and Maidenhead

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Ascot, Windsor and Maidenhead air quality forecast and history

Empower business decisions with accurate air quality data

Ascot, Windsor and Maidenhead air quality map: Real-time AQI near you

Air quality in nearby cities

Camberley, Surrey

Egham, Surrey

Windsor, Windsor and Maidenhead

Crowthorne, Bracknell Forest

Frimley, Surrey

Sandhurst, Bracknell Forest

How accurate is Windsor and Maidenhead, UK air quality data?

Air quality levels in UK

Frequently asked questions

How frequently is the air quality data for Ascot, Windsor and Maidenhead updated?

When did Ascot, Windsor and Maidenhead experience the worst air quality in the last 24 hours?

When did Ascot, Windsor and Maidenhead have its best air quality in the last 24 hours?

What is the real-time air quality index for Ascot, Windsor and Maidenhead?

Which pollutant is found most often in Ascot, Windsor and Maidenhead?

What can I do if the air quality in Ascot, Windsor and Maidenhead is poor?

What are the current PM2.5 levels in Ascot, Windsor and Maidenhead?

What are the current PM10 levels at Ascot, Windsor and Maidenhead?

What are the current carbon monoxide (CO) levels at Ascot, Windsor and Maidenhead?

What are the current sulfur dioxide (SO2) levels at Ascot, Windsor and Maidenhead?

What are the current ozone (O3) levels at Ascot, Windsor and Maidenhead?

What are the current nitrogen dioxide (NO2) levels at Ascot, Windsor and Maidenhead?

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 Ascot, Windsor and Maidenhead?

What are the current PM₁₀ levels at Ascot, Windsor and Maidenhead?

What are the current sulfur dioxide (SO₂) levels at Ascot, Windsor and Maidenhead?

What are the current ozone (O₃) levels at Ascot, Windsor and Maidenhead?

What are the current nitrogen dioxide (NO₂) levels at Ascot, Windsor and Maidenhead?