What are the current PM10 levels at Alton, Hampshire?

The current PM10 levels in Alton, Hampshire are 15.399 μg/m3.

What are the current sulfur dioxide (SO2) levels at Alton, Hampshire?

The current sulfur dioxide (SO2) levels in Alton, Hampshire are 0.405 ppb.

What are the current ozone (O3) levels at Alton, Hampshire?

The current ozone (O3) levels at Alton, Hampshire is 25.821 ppm.

What are the current nitrogen dioxide (NO2) levels at Alton, Hampshire?

The current nitrogen dioxide (NO2) levels at Alton, Hampshire is 8.724 ppb.

Real-time air quality index in Alton, Hampshire today

Q: What are the current PM2.5 levels in Alton, Hampshire?

The measured PM2.5 levels in Alton, Hampshire at present are 7.548 μg/m3.

Stay updated with real-time air quality in Alton, Hampshire 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

Alton, Hampshire

Last updated: ... (Local time)

Common air pollutants in Alton, Hampshire

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

7.55 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

15.40 μg/m³

155

255

425

605+

Ozone (O₃)

25.82 ppb

201

201+

Sulfur Dioxide (SO₂)

0.41 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

8.72 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.15 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Alton, Hampshire

Get Live Pollen Counts

Alton, Hampshire

Scroll To Air Quality Map

Track live Alton, Hampshire air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-26T22:00:00.000Z	60 \| moderate	14.397 \| fine	25.9 \| good	18.068 \| good	0.568 \| good	6.55 \| good	0.013 \| good
2025-12-26T23:00:00.000Z	60 \| moderate	14.427 \| fine	18.604 \| good	16.107 \| good	0.571 \| good	5.755 \| good	0.013 \| good
2025-12-27T00:00:00.000Z	58 \| moderate	12.979 \| fine	27.935 \| good	25.79 \| good	0.659 \| good	10.306 \| good	0.305 \| good
2025-12-27T01:00:00.000Z	62 \| moderate	14.757 \| fine	31.006 \| good	13.223 \| good	0.609 \| good	13.388 \| good	0.571 \| good
2025-12-27T02:00:00.000Z	62 \| moderate	14.788 \| fine	32.594 \| good	12.188 \| good	0.608 \| good	9.576 \| good	0.228 \| good
2025-12-27T03:00:00.000Z	60 \| moderate	13.942 \| fine	20.323 \| good	13.017 \| good	0.556 \| good	14.121 \| good	0.241 \| good
2025-12-27T04:00:00.000Z	64 \| moderate	15.882 \| fine	28.663 \| good	9.382 \| good	0.492 \| good	8.412 \| good	0.188 \| good
2025-12-27T05:00:00.000Z	64 \| moderate	15.584 \| fine	25.96 \| good	10.902 \| good	0.657 \| good	5.843 \| good	0.169 \| good
2025-12-27T06:00:00.000Z	64 \| moderate	15.571 \| fine	16.655 \| good	10.719 \| good	0.546 \| good	5.661 \| good	0.01 \| good
2025-12-27T07:00:00.000Z	66 \| moderate	16.532 \| fine	33.98 \| good	11.112 \| good	0.551 \| good	4.997 \| good	0.015 \| good
2025-12-27T08:00:00.000Z	67 \| moderate	17.503 \| fine	31.958 \| good	12.03 \| good	0.586 \| good	5.585 \| good	0.018 \| good
2025-12-27T09:00:00.000Z	67 \| moderate	17.837 \| fine	35.591 \| good	11.529 \| good	0.582 \| good	7.543 \| good	0.014 \| good
2025-12-27T10:00:00.000Z	69 \| moderate	18.712 \| fine	22.662 \| good	16.874 \| good	0.573 \| good	8.39 \| good	0.011 \| good
2025-12-27T11:00:00.000Z	60 \| moderate	13.864 \| fine	19.599 \| good	15.014 \| good	0.568 \| good	8.4 \| good	0.013 \| good
2025-12-27T12:00:00.000Z	56 \| moderate	12.183 \| fine	26.471 \| good	18.274 \| good	0.546 \| good	8.679 \| good	0.014 \| good
2025-12-27T13:00:00.000Z	56 \| moderate	11.965 \| good	16.795 \| good	21.349 \| good	0.462 \| good	4.733 \| good	0.013 \| good
2025-12-27T14:00:00.000Z	54 \| moderate	11.184 \| good	13.286 \| good	21.273 \| good	0.57 \| good	5.675 \| good	0.018 \| good
2025-12-27T15:00:00.000Z	62 \| moderate	14.68 \| fine	16.142 \| good	21.875 \| good	0.568 \| good	4.762 \| good	0.02 \| good
2025-12-27T16:00:00.000Z	56 \| moderate	12.306 \| fine	16.615 \| good	22.097 \| good	0.515 \| good	5.419 \| good	0.025 \| good
2025-12-27T17:00:00.000Z	58 \| moderate	12.664 \| fine	16.003 \| good	25.703 \| good	0.434 \| good	5.928 \| good	0.037 \| good
2025-12-27T18:00:00.000Z	56 \| moderate	11.671 \| good	53.072 \| good	29.723 \| good	0.575 \| good	9.274 \| good	0.048 \| good
2025-12-27T19:00:00.000Z	21 \| good	2.8 \| good	13.686 \| good	22.858 \| good	0.583 \| good	7.433 \| good	0.071 \| good
2025-12-27T20:00:00.000Z	52 \| moderate	10.26 \| good	16.1 \| good	23.756 \| good	0.443 \| good	6.57 \| good	0.096 \| good
2025-12-27T21:00:00.000Z	54 \| moderate	10.537 \| good	16.955 \| good	24.29 \| good	0.634 \| good	6.103 \| good	0.072 \| good
2025-12-27T22:00:00.000Z	58 \| moderate	13.252 \| fine	50.626 \| good	27.481 \| good	0.466 \| good	4.958 \| good	0.084 \| good
2025-12-27T23:00:00.000Z	56 \| moderate	12.248 \| fine	14.423 \| good	20.078 \| good	0.491 \| good	8.996 \| good	0.063 \| good
2025-12-28T00:00:00.000Z	44 \| good	7.839 \| good	11.85 \| good	31.662 \| good	0.632 \| good	3.777 \| good	1.101 \| good
2025-12-28T01:00:00.000Z	44 \| good	7.71 \| good	10.331 \| good	31.335 \| good	0.668 \| good	5.275 \| good	1.078 \| good
2025-12-28T02:00:00.000Z	33 \| good	6.455 \| good	9.566 \| good	30.299 \| good	0.492 \| good	4.692 \| good	1.232 \| good
2025-12-28T03:00:00.000Z	33 \| good	5.947 \| good	10.741 \| good	31.621 \| good	0.557 \| good	2.436 \| good	0.638 \| good
2025-12-28T04:00:00.000Z	33 \| good	5.795 \| good	11.524 \| good	32.022 \| good	0.557 \| good	2.063 \| good	0.677 \| good
2025-12-28T05:00:00.000Z	33 \| good	5.738 \| good	8.634 \| good	30.954 \| good	0.557 \| good	1.82 \| good	0.432 \| good
2025-12-28T06:00:00.000Z	32 \| good	4.069 \| good	13.943 \| good	35.249 \| good	0.467 \| good	2.404 \| good	0.02 \| good
2025-12-28T07:00:00.000Z	31 \| good	4.175 \| good	12.714 \| good	32.769 \| good	0.506 \| good	2.432 \| good	0.025 \| good
2025-12-28T08:00:00.000Z	27 \| good	2.453 \| good	4.686 \| good	29.355 \| good	0.221 \| good	2.256 \| good	0.036 \| good
2025-12-28T09:00:00.000Z	28 \| good	1.943 \| good	5.336 \| good	30.381 \| good	0.225 \| good	2.132 \| good	0.037 \| good
2025-12-28T10:00:00.000Z	27 \| good	2.838 \| good	5.111 \| good	29.038 \| good	0.222 \| good	7.907 \| good	0.018 \| good
2025-12-28T11:00:00.000Z	27 \| good	2.821 \| good	6.199 \| good	29.483 \| good	0.219 \| good	3.744 \| good	0.01 \| good
2025-12-28T12:00:00.000Z	30 \| good	2.955 \| good	10.802 \| good	31.639 \| good	0.218 \| good	4.357 \| good	0.01 \| good
2025-12-28T13:00:00.000Z	30 \| good	3.86 \| good	10.876 \| good	32.447 \| good	0.217 \| good	4.571 \| good	0.011 \| good
2025-12-28T14:00:00.000Z	28 \| good	3.223 \| good	8.9 \| good	30.498 \| good	0.217 \| good	3.035 \| good	0.011 \| good
2025-12-28T15:00:00.000Z	26 \| good	1.97 \| good	7.507 \| good	28.411 \| good	0.217 \| good	2.779 \| good	0.012 \| good
2025-12-28T16:00:00.000Z	29 \| good	1.867 \| good	8.566 \| good	31.271 \| good	0.217 \| good	6.591 \| good	0.013 \| good
2025-12-28T17:00:00.000Z	28 \| good	1.967 \| good	6.385 \| good	29.78 \| good	0.205 \| good	7.03 \| good	0.014 \| good
2025-12-28T18:00:00.000Z	29 \| good	2.628 \| good	13.366 \| good	31.342 \| good	0.208 \| good	7.574 \| good	0.015 \| good
2025-12-28T19:00:00.000Z	38 \| good	6.718 \| good	14.674 \| good	27.999 \| good	0.367 \| good	7.338 \| good	0.141 \| good
2025-12-28T20:00:00.000Z	44 \| good	7.548 \| good	15.399 \| good	25.821 \| good	0.405 \| good	8.724 \| good	0.148 \| good
2025-12-28T21:00:00.000Z	44 \| good	7.548 \| good	15.399 \| good	25.821 \| good	0.405 \| good	8.724 \| good	0.148 \| good
2025-12-28T22:00:00.000Z	49 \| good	8.802 \| good	14.443 \| good	24.178 \| good	0.459 \| good	9.64 \| good	0.147 \| good
2025-12-28T23:00:00.000Z	49 \| good	9.01 \| good	14.808 \| good	23.226 \| good	0.469 \| good	9.955 \| good	0.147 \| good
2025-12-29T00:00:00.000Z	49 \| good	8.823 \| good	14.907 \| good	22.375 \| good	0.502 \| good	9.864 \| good	0.146 \| good
2025-12-29T01:00:00.000Z	49 \| good	8.956 \| good	15.701 \| good	21.928 \| good	0.457 \| good	9.467 \| good	0.146 \| good
2025-12-29T02:00:00.000Z	49 \| good	9.05 \| good	15.781 \| good	21.297 \| good	0.399 \| good	8.226 \| good	0.141 \| good
2025-12-29T03:00:00.000Z	49 \| good	8.797 \| good	12.963 \| good	21.561 \| good	0.345 \| good	7.347 \| good	0.137 \| good
2025-12-29T04:00:00.000Z	49 \| good	8.521 \| good	12.809 \| good	22.698 \| good	0.316 \| good	5.609 \| good	0.132 \| good
2025-12-29T05:00:00.000Z	38 \| good	7.464 \| good	12.549 \| good	24.099 \| good	0.303 \| good	3.936 \| good	0.128 \| good
2025-12-29T06:00:00.000Z	33 \| good	6.191 \| good	12.208 \| good	26.371 \| good	0.346 \| good	4.109 \| good	0.127 \| good
2025-12-29T07:00:00.000Z	27 \| good	5.234 \| good	10.681 \| good	25.071 \| good	0.385 \| good	4.445 \| good	0.129 \| good
2025-12-29T08:00:00.000Z	27 \| good	4.978 \| good	11.676 \| good	22.827 \| good	0.51 \| good	7.059 \| good	0.133 \| good
2025-12-29T09:00:00.000Z	27 \| good	5.083 \| good	11.003 \| good	21.717 \| good	0.503 \| good	10.179 \| good	0.138 \| good
2025-12-29T10:00:00.000Z	27 \| good	4.954 \| good	11.923 \| good	22.035 \| good	0.686 \| good	11.597 \| good	0.143 \| good
2025-12-29T11:00:00.000Z	27 \| good	4.813 \| good	10.096 \| good	25.829 \| good	0.451 \| good	10.712 \| good	0.141 \| good
2025-12-29T12:00:00.000Z	28 \| good	3.972 \| good	7.989 \| good	30.429 \| good	0.373 \| good	8.373 \| good	0.135 \| good
2025-12-29T13:00:00.000Z	31 \| good	3.39 \| good	6.535 \| good	34.396 \| good	0.304 \| good	6.739 \| good	0.129 \| good
2025-12-29T14:00:00.000Z	33 \| good	2.794 \| good	6.787 \| good	36.372 \| good	0.289 \| good	5.511 \| good	0.126 \| good
2025-12-29T15:00:00.000Z	31 \| good	3.445 \| good	6.554 \| good	34.234 \| good	0.279 \| good	5.822 \| good	0.129 \| good
2025-12-29T16:00:00.000Z	31 \| good	3.762 \| good	8.457 \| good	32.547 \| good	0.31 \| good	6.39 \| good	0.131 \| good
2025-12-29T17:00:00.000Z	28 \| good	4.029 \| good	10.04 \| good	30.315 \| good	0.392 \| good	6.831 \| good	0.133 \| good
2025-12-29T18:00:00.000Z	27 \| good	5.299 \| good	12.154 \| good	27.905 \| good	0.419 \| good	7.712 \| good	0.14 \| good
2025-12-29T19:00:00.000Z	38 \| good	7.1 \| good	13.433 \| good	26.847 \| good	0.475 \| good	8.972 \| good	0.147 \| good
2025-12-29T20:00:00.000Z	44 \| good	8.337 \| good	15.797 \| good	23.776 \| good	0.549 \| good	10.71 \| good	0.152 \| good
2025-12-29T21:00:00.000Z	49 \| good	8.97 \| good	15.939 \| good	22.332 \| good	0.543 \| good	10.071 \| good	0.154 \| good
2025-12-29T22:00:00.000Z	52 \| moderate	9.816 \| good	15.289 \| good	21.938 \| good	0.484 \| good	8.105 \| good	0.149 \| good
2025-12-29T23:00:00.000Z	52 \| moderate	9.557 \| good	14.771 \| good	23.923 \| good	0.487 \| good	6.845 \| good	0.146 \| good
2025-12-30T00:00:00.000Z	49 \| good	8.971 \| good	12.571 \| good	25.628 \| good	0.498 \| good	6.029 \| good	0.141 \| good
2025-12-30T01:00:00.000Z	44 \| good	7.921 \| good	11.499 \| good	25.275 \| good	0.396 \| good	5.489 \| good	0.135 \| good
2025-12-30T02:00:00.000Z	33 \| good	5.711 \| good	10.763 \| good	27.202 \| good	0.345 \| good	4.116 \| good	0.13 \| good
2025-12-30T03:00:00.000Z	27 \| good	4.403 \| good	9.596 \| good	29.058 \| good	0.286 \| good	3.278 \| good	0.127 \| good
2025-12-30T04:00:00.000Z	30 \| good	3.541 \| good	8.784 \| good	31.551 \| good	0.23 \| good	2.34 \| good	0.123 \| good
2025-12-30T05:00:00.000Z	29 \| good	3.255 \| good	10.662 \| good	31.486 \| good	0.213 \| good	1.948 \| good	0.123 \| good
2025-12-30T06:00:00.000Z	30 \| good	3.263 \| good	10.381 \| good	31.618 \| good	0.247 \| good	2.229 \| good	0.124 \| good
2025-12-30T07:00:00.000Z	30 \| good	3.423 \| good	10.644 \| good	31.79 \| good	0.34 \| good	3.188 \| good	0.126 \| good
2025-12-30T08:00:00.000Z	30 \| good	4.045 \| good	11.134 \| good	31.999 \| good	0.4 \| good	4.58 \| good	0.129 \| good
2025-12-30T09:00:00.000Z	29 \| good	4.618 \| good	11.46 \| good	31.036 \| good	0.449 \| good	6.117 \| good	0.133 \| good
2025-12-30T10:00:00.000Z	29 \| good	4.911 \| good	11.421 \| good	31.185 \| good	0.468 \| good	6.786 \| good	0.134 \| good
2025-12-30T11:00:00.000Z	31 \| good	4.501 \| good	10.247 \| good	32.546 \| good	0.397 \| good	5.726 \| good	0.133 \| good
2025-12-30T12:00:00.000Z	32 \| good	3.558 \| good	10.122 \| good	35.349 \| good	0.291 \| good	4.64 \| good	0.13 \| good
2025-12-30T13:00:00.000Z	34 \| good	3.03 \| good	8.035 \| good	37.015 \| good	0.262 \| good	3.708 \| good	0.129 \| good
2025-12-30T14:00:00.000Z	34 \| good	3.296 \| good	8.796 \| good	37.154 \| good	0.283 \| good	3.737 \| good	0.13 \| good
2025-12-30T15:00:00.000Z	33 \| good	3.778 \| good	9.845 \| good	36.124 \| good	0.284 \| good	3.936 \| good	0.134 \| good
2025-12-30T16:00:00.000Z	30 \| good	4.532 \| good	10.735 \| good	32.14 \| good	0.365 \| good	6.448 \| good	0.138 \| good
2025-12-30T17:00:00.000Z	33 \| good	5.9 \| good	13.012 \| good	27.566 \| good	0.434 \| good	8.64 \| good	0.15 \| good
2025-12-30T18:00:00.000Z	44 \| good	7.861 \| good	15.927 \| good	22.905 \| good	0.541 \| good	12.195 \| good	0.164 \| good
2025-12-30T19:00:00.000Z	49 \| good	9.371 \| good	18.827 \| good	20.752 \| good	0.685 \| good	13.863 \| good	0.173 \| good
2025-12-30T20:00:00.000Z	52 \| moderate	10.209 \| good	19.367 \| good	17.469 \| good	0.727 \| good	13.2 \| good	0.176 \| good
2025-12-30T21:00:00.000Z	54 \| moderate	10.885 \| good	17.139 \| good	21.006 \| good	0.708 \| good	12.244 \| good	0.18 \| good

Alton

Empower business decisions with accurate air quality data

Alton, Hampshire air quality map: Real-time AQI near you

0.04ppm

How accurate is Hampshire, UK air quality data?

Air quality measurements for Hampshire, 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 Alton, Hampshire updated?

Air quality data for Alton, Hampshire is updated on an hourly basis.

When did Alton, Hampshire experience the worst air quality in the last 24 hours?

The worst air quality in Alton, Hampshire was recorded at 10:00:00 on 2025-12-27.

When did Alton, Hampshire have its best air quality in the last 24 hours?

The best air quality in Alton, Hampshire was recorded at 03:00:00 on 2025-12-28.

What is the real-time air quality index for Alton, Hampshire?

The real-time air quality index in Alton, Hampshire is 44, currently categorized as Good.

Which pollutant is found most often in Alton, Hampshire?

The most common pollutant in Alton, Hampshire is PM2.5.

What can I do if the air quality in Alton, Hampshire is poor?

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

What are the current PM_2.5 levels in Alton, Hampshire?

The measured PM_2.5 levels in Alton, Hampshire at present are 7.548 μg/m³.

What are the current PM₁₀ levels at Alton, Hampshire?

The current PM₁₀ levels in Alton, Hampshire are 15.399 μg/m³.

What are the current carbon monoxide (CO) levels at Alton, Hampshire?

The current carbon monoxide (CO) level in Alton, Hampshire is 0.148 ppm.

What are the current sulfur dioxide (SO₂) levels at Alton, Hampshire?

The current sulfur dioxide (SO₂) levels in Alton, Hampshire are 0.405 ppb.

What are the current ozone (O₃) levels at Alton, Hampshire?

The current ozone (O₃) levels at Alton, Hampshire is 25.821 ppm.

What are the current nitrogen dioxide (NO₂) levels at Alton, Hampshire?

The current nitrogen dioxide (NO₂) levels at Alton, Hampshire is 8.724 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-12-26T22:00:00.000Z	60 \| moderate	14.397 \| fine	25.9 \| good	18.068 \| good	0.568 \| good	6.55 \| good	0.013 \| good
2025-12-26T23:00:00.000Z	60 \| moderate	14.427 \| fine	18.604 \| good	16.107 \| good	0.571 \| good	5.755 \| good	0.013 \| good
2025-12-27T00:00:00.000Z	58 \| moderate	12.979 \| fine	27.935 \| good	25.79 \| good	0.659 \| good	10.306 \| good	0.305 \| good
2025-12-27T01:00:00.000Z	62 \| moderate	14.757 \| fine	31.006 \| good	13.223 \| good	0.609 \| good	13.388 \| good	0.571 \| good
2025-12-27T02:00:00.000Z	62 \| moderate	14.788 \| fine	32.594 \| good	12.188 \| good	0.608 \| good	9.576 \| good	0.228 \| good
2025-12-27T03:00:00.000Z	60 \| moderate	13.942 \| fine	20.323 \| good	13.017 \| good	0.556 \| good	14.121 \| good	0.241 \| good
2025-12-27T04:00:00.000Z	64 \| moderate	15.882 \| fine	28.663 \| good	9.382 \| good	0.492 \| good	8.412 \| good	0.188 \| good
2025-12-27T05:00:00.000Z	64 \| moderate	15.584 \| fine	25.96 \| good	10.902 \| good	0.657 \| good	5.843 \| good	0.169 \| good
2025-12-27T06:00:00.000Z	64 \| moderate	15.571 \| fine	16.655 \| good	10.719 \| good	0.546 \| good	5.661 \| good	0.01 \| good
2025-12-27T07:00:00.000Z	66 \| moderate	16.532 \| fine	33.98 \| good	11.112 \| good	0.551 \| good	4.997 \| good	0.015 \| good
2025-12-27T08:00:00.000Z	67 \| moderate	17.503 \| fine	31.958 \| good	12.03 \| good	0.586 \| good	5.585 \| good	0.018 \| good
2025-12-27T09:00:00.000Z	67 \| moderate	17.837 \| fine	35.591 \| good	11.529 \| good	0.582 \| good	7.543 \| good	0.014 \| good
2025-12-27T10:00:00.000Z	69 \| moderate	18.712 \| fine	22.662 \| good	16.874 \| good	0.573 \| good	8.39 \| good	0.011 \| good
2025-12-27T11:00:00.000Z	60 \| moderate	13.864 \| fine	19.599 \| good	15.014 \| good	0.568 \| good	8.4 \| good	0.013 \| good
2025-12-27T12:00:00.000Z	56 \| moderate	12.183 \| fine	26.471 \| good	18.274 \| good	0.546 \| good	8.679 \| good	0.014 \| good
2025-12-27T13:00:00.000Z	56 \| moderate	11.965 \| good	16.795 \| good	21.349 \| good	0.462 \| good	4.733 \| good	0.013 \| good
2025-12-27T14:00:00.000Z	54 \| moderate	11.184 \| good	13.286 \| good	21.273 \| good	0.57 \| good	5.675 \| good	0.018 \| good
2025-12-27T15:00:00.000Z	62 \| moderate	14.68 \| fine	16.142 \| good	21.875 \| good	0.568 \| good	4.762 \| good	0.02 \| good
2025-12-27T16:00:00.000Z	56 \| moderate	12.306 \| fine	16.615 \| good	22.097 \| good	0.515 \| good	5.419 \| good	0.025 \| good
2025-12-27T17:00:00.000Z	58 \| moderate	12.664 \| fine	16.003 \| good	25.703 \| good	0.434 \| good	5.928 \| good	0.037 \| good
2025-12-27T18:00:00.000Z	56 \| moderate	11.671 \| good	53.072 \| good	29.723 \| good	0.575 \| good	9.274 \| good	0.048 \| good
2025-12-27T19:00:00.000Z	21 \| good	2.8 \| good	13.686 \| good	22.858 \| good	0.583 \| good	7.433 \| good	0.071 \| good
2025-12-27T20:00:00.000Z	52 \| moderate	10.26 \| good	16.1 \| good	23.756 \| good	0.443 \| good	6.57 \| good	0.096 \| good
2025-12-27T21:00:00.000Z	54 \| moderate	10.537 \| good	16.955 \| good	24.29 \| good	0.634 \| good	6.103 \| good	0.072 \| good
2025-12-27T22:00:00.000Z	58 \| moderate	13.252 \| fine	50.626 \| good	27.481 \| good	0.466 \| good	4.958 \| good	0.084 \| good
2025-12-27T23:00:00.000Z	56 \| moderate	12.248 \| fine	14.423 \| good	20.078 \| good	0.491 \| good	8.996 \| good	0.063 \| good
2025-12-28T00:00:00.000Z	44 \| good	7.839 \| good	11.85 \| good	31.662 \| good	0.632 \| good	3.777 \| good	1.101 \| good
2025-12-28T01:00:00.000Z	44 \| good	7.71 \| good	10.331 \| good	31.335 \| good	0.668 \| good	5.275 \| good	1.078 \| good
2025-12-28T02:00:00.000Z	33 \| good	6.455 \| good	9.566 \| good	30.299 \| good	0.492 \| good	4.692 \| good	1.232 \| good
2025-12-28T03:00:00.000Z	33 \| good	5.947 \| good	10.741 \| good	31.621 \| good	0.557 \| good	2.436 \| good	0.638 \| good
2025-12-28T04:00:00.000Z	33 \| good	5.795 \| good	11.524 \| good	32.022 \| good	0.557 \| good	2.063 \| good	0.677 \| good
2025-12-28T05:00:00.000Z	33 \| good	5.738 \| good	8.634 \| good	30.954 \| good	0.557 \| good	1.82 \| good	0.432 \| good
2025-12-28T06:00:00.000Z	32 \| good	4.069 \| good	13.943 \| good	35.249 \| good	0.467 \| good	2.404 \| good	0.02 \| good
2025-12-28T07:00:00.000Z	31 \| good	4.175 \| good	12.714 \| good	32.769 \| good	0.506 \| good	2.432 \| good	0.025 \| good
2025-12-28T08:00:00.000Z	27 \| good	2.453 \| good	4.686 \| good	29.355 \| good	0.221 \| good	2.256 \| good	0.036 \| good
2025-12-28T09:00:00.000Z	28 \| good	1.943 \| good	5.336 \| good	30.381 \| good	0.225 \| good	2.132 \| good	0.037 \| good
2025-12-28T10:00:00.000Z	27 \| good	2.838 \| good	5.111 \| good	29.038 \| good	0.222 \| good	7.907 \| good	0.018 \| good
2025-12-28T11:00:00.000Z	27 \| good	2.821 \| good	6.199 \| good	29.483 \| good	0.219 \| good	3.744 \| good	0.01 \| good
2025-12-28T12:00:00.000Z	30 \| good	2.955 \| good	10.802 \| good	31.639 \| good	0.218 \| good	4.357 \| good	0.01 \| good
2025-12-28T13:00:00.000Z	30 \| good	3.86 \| good	10.876 \| good	32.447 \| good	0.217 \| good	4.571 \| good	0.011 \| good
2025-12-28T14:00:00.000Z	28 \| good	3.223 \| good	8.9 \| good	30.498 \| good	0.217 \| good	3.035 \| good	0.011 \| good
2025-12-28T15:00:00.000Z	26 \| good	1.97 \| good	7.507 \| good	28.411 \| good	0.217 \| good	2.779 \| good	0.012 \| good
2025-12-28T16:00:00.000Z	29 \| good	1.867 \| good	8.566 \| good	31.271 \| good	0.217 \| good	6.591 \| good	0.013 \| good
2025-12-28T17:00:00.000Z	28 \| good	1.967 \| good	6.385 \| good	29.78 \| good	0.205 \| good	7.03 \| good	0.014 \| good
2025-12-28T18:00:00.000Z	29 \| good	2.628 \| good	13.366 \| good	31.342 \| good	0.208 \| good	7.574 \| good	0.015 \| good
2025-12-28T19:00:00.000Z	38 \| good	6.718 \| good	14.674 \| good	27.999 \| good	0.367 \| good	7.338 \| good	0.141 \| good
2025-12-28T20:00:00.000Z	44 \| good	7.548 \| good	15.399 \| good	25.821 \| good	0.405 \| good	8.724 \| good	0.148 \| good
2025-12-28T21:00:00.000Z	44 \| good	7.548 \| good	15.399 \| good	25.821 \| good	0.405 \| good	8.724 \| good	0.148 \| good
2025-12-28T22:00:00.000Z	49 \| good	8.802 \| good	14.443 \| good	24.178 \| good	0.459 \| good	9.64 \| good	0.147 \| good
2025-12-28T23:00:00.000Z	49 \| good	9.01 \| good	14.808 \| good	23.226 \| good	0.469 \| good	9.955 \| good	0.147 \| good
2025-12-29T00:00:00.000Z	49 \| good	8.823 \| good	14.907 \| good	22.375 \| good	0.502 \| good	9.864 \| good	0.146 \| good
2025-12-29T01:00:00.000Z	49 \| good	8.956 \| good	15.701 \| good	21.928 \| good	0.457 \| good	9.467 \| good	0.146 \| good
2025-12-29T02:00:00.000Z	49 \| good	9.05 \| good	15.781 \| good	21.297 \| good	0.399 \| good	8.226 \| good	0.141 \| good
2025-12-29T03:00:00.000Z	49 \| good	8.797 \| good	12.963 \| good	21.561 \| good	0.345 \| good	7.347 \| good	0.137 \| good
2025-12-29T04:00:00.000Z	49 \| good	8.521 \| good	12.809 \| good	22.698 \| good	0.316 \| good	5.609 \| good	0.132 \| good
2025-12-29T05:00:00.000Z	38 \| good	7.464 \| good	12.549 \| good	24.099 \| good	0.303 \| good	3.936 \| good	0.128 \| good
2025-12-29T06:00:00.000Z	33 \| good	6.191 \| good	12.208 \| good	26.371 \| good	0.346 \| good	4.109 \| good	0.127 \| good
2025-12-29T07:00:00.000Z	27 \| good	5.234 \| good	10.681 \| good	25.071 \| good	0.385 \| good	4.445 \| good	0.129 \| good
2025-12-29T08:00:00.000Z	27 \| good	4.978 \| good	11.676 \| good	22.827 \| good	0.51 \| good	7.059 \| good	0.133 \| good
2025-12-29T09:00:00.000Z	27 \| good	5.083 \| good	11.003 \| good	21.717 \| good	0.503 \| good	10.179 \| good	0.138 \| good
2025-12-29T10:00:00.000Z	27 \| good	4.954 \| good	11.923 \| good	22.035 \| good	0.686 \| good	11.597 \| good	0.143 \| good
2025-12-29T11:00:00.000Z	27 \| good	4.813 \| good	10.096 \| good	25.829 \| good	0.451 \| good	10.712 \| good	0.141 \| good
2025-12-29T12:00:00.000Z	28 \| good	3.972 \| good	7.989 \| good	30.429 \| good	0.373 \| good	8.373 \| good	0.135 \| good
2025-12-29T13:00:00.000Z	31 \| good	3.39 \| good	6.535 \| good	34.396 \| good	0.304 \| good	6.739 \| good	0.129 \| good
2025-12-29T14:00:00.000Z	33 \| good	2.794 \| good	6.787 \| good	36.372 \| good	0.289 \| good	5.511 \| good	0.126 \| good
2025-12-29T15:00:00.000Z	31 \| good	3.445 \| good	6.554 \| good	34.234 \| good	0.279 \| good	5.822 \| good	0.129 \| good
2025-12-29T16:00:00.000Z	31 \| good	3.762 \| good	8.457 \| good	32.547 \| good	0.31 \| good	6.39 \| good	0.131 \| good
2025-12-29T17:00:00.000Z	28 \| good	4.029 \| good	10.04 \| good	30.315 \| good	0.392 \| good	6.831 \| good	0.133 \| good
2025-12-29T18:00:00.000Z	27 \| good	5.299 \| good	12.154 \| good	27.905 \| good	0.419 \| good	7.712 \| good	0.14 \| good
2025-12-29T19:00:00.000Z	38 \| good	7.1 \| good	13.433 \| good	26.847 \| good	0.475 \| good	8.972 \| good	0.147 \| good
2025-12-29T20:00:00.000Z	44 \| good	8.337 \| good	15.797 \| good	23.776 \| good	0.549 \| good	10.71 \| good	0.152 \| good
2025-12-29T21:00:00.000Z	49 \| good	8.97 \| good	15.939 \| good	22.332 \| good	0.543 \| good	10.071 \| good	0.154 \| good
2025-12-29T22:00:00.000Z	52 \| moderate	9.816 \| good	15.289 \| good	21.938 \| good	0.484 \| good	8.105 \| good	0.149 \| good
2025-12-29T23:00:00.000Z	52 \| moderate	9.557 \| good	14.771 \| good	23.923 \| good	0.487 \| good	6.845 \| good	0.146 \| good
2025-12-30T00:00:00.000Z	49 \| good	8.971 \| good	12.571 \| good	25.628 \| good	0.498 \| good	6.029 \| good	0.141 \| good
2025-12-30T01:00:00.000Z	44 \| good	7.921 \| good	11.499 \| good	25.275 \| good	0.396 \| good	5.489 \| good	0.135 \| good
2025-12-30T02:00:00.000Z	33 \| good	5.711 \| good	10.763 \| good	27.202 \| good	0.345 \| good	4.116 \| good	0.13 \| good
2025-12-30T03:00:00.000Z	27 \| good	4.403 \| good	9.596 \| good	29.058 \| good	0.286 \| good	3.278 \| good	0.127 \| good
2025-12-30T04:00:00.000Z	30 \| good	3.541 \| good	8.784 \| good	31.551 \| good	0.23 \| good	2.34 \| good	0.123 \| good
2025-12-30T05:00:00.000Z	29 \| good	3.255 \| good	10.662 \| good	31.486 \| good	0.213 \| good	1.948 \| good	0.123 \| good
2025-12-30T06:00:00.000Z	30 \| good	3.263 \| good	10.381 \| good	31.618 \| good	0.247 \| good	2.229 \| good	0.124 \| good
2025-12-30T07:00:00.000Z	30 \| good	3.423 \| good	10.644 \| good	31.79 \| good	0.34 \| good	3.188 \| good	0.126 \| good
2025-12-30T08:00:00.000Z	30 \| good	4.045 \| good	11.134 \| good	31.999 \| good	0.4 \| good	4.58 \| good	0.129 \| good
2025-12-30T09:00:00.000Z	29 \| good	4.618 \| good	11.46 \| good	31.036 \| good	0.449 \| good	6.117 \| good	0.133 \| good
2025-12-30T10:00:00.000Z	29 \| good	4.911 \| good	11.421 \| good	31.185 \| good	0.468 \| good	6.786 \| good	0.134 \| good
2025-12-30T11:00:00.000Z	31 \| good	4.501 \| good	10.247 \| good	32.546 \| good	0.397 \| good	5.726 \| good	0.133 \| good
2025-12-30T12:00:00.000Z	32 \| good	3.558 \| good	10.122 \| good	35.349 \| good	0.291 \| good	4.64 \| good	0.13 \| good
2025-12-30T13:00:00.000Z	34 \| good	3.03 \| good	8.035 \| good	37.015 \| good	0.262 \| good	3.708 \| good	0.129 \| good
2025-12-30T14:00:00.000Z	34 \| good	3.296 \| good	8.796 \| good	37.154 \| good	0.283 \| good	3.737 \| good	0.13 \| good
2025-12-30T15:00:00.000Z	33 \| good	3.778 \| good	9.845 \| good	36.124 \| good	0.284 \| good	3.936 \| good	0.134 \| good
2025-12-30T16:00:00.000Z	30 \| good	4.532 \| good	10.735 \| good	32.14 \| good	0.365 \| good	6.448 \| good	0.138 \| good
2025-12-30T17:00:00.000Z	33 \| good	5.9 \| good	13.012 \| good	27.566 \| good	0.434 \| good	8.64 \| good	0.15 \| good
2025-12-30T18:00:00.000Z	44 \| good	7.861 \| good	15.927 \| good	22.905 \| good	0.541 \| good	12.195 \| good	0.164 \| good
2025-12-30T19:00:00.000Z	49 \| good	9.371 \| good	18.827 \| good	20.752 \| good	0.685 \| good	13.863 \| good	0.173 \| good
2025-12-30T20:00:00.000Z	52 \| moderate	10.209 \| good	19.367 \| good	17.469 \| good	0.727 \| good	13.2 \| good	0.176 \| good
2025-12-30T21:00:00.000Z	54 \| moderate	10.885 \| good	17.139 \| good	21.006 \| good	0.708 \| good	12.244 \| good	0.18 \| good

Real-time air quality index in Alton, Hampshire today

Common air pollutants in Alton, Hampshire

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Alton, Hampshire air quality forecast and history

Empower business decisions with accurate air quality data

Alton, Hampshire air quality map: Real-time AQI near you

Air quality in nearby cities

Farnham, Surrey

Basingstoke, Hampshire

Petersfield, Hampshire

Fleet, Hampshire

Weybourne, Surrey

Aldershot, Hampshire

How accurate is Hampshire, UK air quality data?

Air quality levels in UK

Frequently asked questions

How frequently is the air quality data for Alton, Hampshire updated?

When did Alton, Hampshire experience the worst air quality in the last 24 hours?

When did Alton, Hampshire have its best air quality in the last 24 hours?

What is the real-time air quality index for Alton, Hampshire?

Which pollutant is found most often in Alton, Hampshire?

What can I do if the air quality in Alton, Hampshire is poor?

What are the current PM2.5 levels in Alton, Hampshire?

What are the current PM10 levels at Alton, Hampshire?

What are the current carbon monoxide (CO) levels at Alton, Hampshire?

What are the current sulfur dioxide (SO2) levels at Alton, Hampshire?

What are the current ozone (O3) levels at Alton, Hampshire?

What are the current nitrogen dioxide (NO2) levels at Alton, Hampshire?

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 Alton, Hampshire?

What are the current PM₁₀ levels at Alton, Hampshire?

What are the current sulfur dioxide (SO₂) levels at Alton, Hampshire?

What are the current ozone (O₃) levels at Alton, Hampshire?

What are the current nitrogen dioxide (NO₂) levels at Alton, Hampshire?