What is the PM10 level in Colchester, Essex at the moment?

The PM10 concentration in Colchester, Essex is 12.526 μg/m3 at the moment.

What is the sulfur dioxide (SO2) level in Colchester, Essex at the moment?

Currently, Colchester, Essex has a sulfur dioxide (SO2) concentration of 1.796 ppb.

What is the ozone (O3) level in Colchester, Essex at the moment?

The current ozone (O3) level in Colchester, Essex at the moment is 23.773 ppm.

What is the nitrogen dioxide (NO2) level in Colchester, Essex at the moment?

Nitrogen dioxide (NO2) level in Colchester, Essex at the moment is 1.591 ppb.

Live air quality index in Colchester, Essex today

Q: What is the PM2.5 level in Colchester, Essex at the moment?

PM2.5 levels in Colchester, Essex are currently 7.039 μg/m3.

Stay updated with real-time air quality in Colchester, Essex 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

Colchester, Essex

Last updated: ... (Local time)

Major air pollutants in Colchester, Essex

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

7.01 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

13.49 μg/m³

155

255

425

605+

Ozone (O₃)

21.02 ppb

201

201+

Sulfur Dioxide (SO₂)

1.90 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.79 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.30 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Colchester, Essex

Get Live Pollen Counts

Colchester, Essex

Scroll To Air Quality Map

Track live Colchester, Essex air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-11-06T05:00:00.000Z	38 \| good	6.751 \| good	10.386 \| good	21.301 \| good	0.208 \| good	4.502 \| good	0.13 \| good
2025-11-06T06:00:00.000Z	33 \| good	5.815 \| good	12.84 \| good	18.482 \| good	0.917 \| good	6.359 \| good	0.055 \| good
2025-11-06T07:00:00.000Z	33 \| good	6.274 \| good	11.918 \| good	20.022 \| good	1 \| good	4.922 \| good	0.604 \| good
2025-11-06T08:00:00.000Z	33 \| good	5.692 \| good	32.191 \| good	16.838 \| good	0.893 \| good	8.364 \| good	0.058 \| good
2025-11-06T09:00:00.000Z	33 \| good	5.654 \| good	18.344 \| good	20.043 \| good	0.998 \| good	13.155 \| good	0.514 \| good
2025-11-06T10:00:00.000Z	33 \| good	6.063 \| good	28.53 \| good	18.566 \| good	1.031 \| good	8.438 \| good	0.049 \| good
2025-11-06T11:00:00.000Z	27 \| good	5.356 \| good	26.379 \| good	18.298 \| good	0.776 \| good	8.349 \| good	0.029 \| good
2025-11-06T12:00:00.000Z	27 \| good	5.258 \| good	12.752 \| good	13.033 \| good	0.816 \| good	8.698 \| good	0.024 \| good
2025-11-06T13:00:00.000Z	27 \| good	5.031 \| good	16.406 \| good	12.883 \| good	0.939 \| good	7.606 \| good	0.022 \| good
2025-11-06T14:00:00.000Z	38 \| good	7.039 \| good	33.374 \| good	14.819 \| good	1.014 \| good	9.166 \| good	0.022 \| good
2025-11-06T15:00:00.000Z	33 \| good	5.567 \| good	11.014 \| good	14.615 \| good	1.052 \| good	6.753 \| good	0.024 \| good
2025-11-06T16:00:00.000Z	27 \| good	5.183 \| good	11.649 \| good	16.296 \| good	0.97 \| good	6.128 \| good	0.031 \| good
2025-11-06T17:00:00.000Z	33 \| good	5.844 \| good	35.201 \| good	17.129 \| good	0.966 \| good	14.386 \| good	0.056 \| good
2025-11-06T18:00:00.000Z	49 \| good	8.782 \| good	35.853 \| good	18.627 \| good	0.894 \| good	10.96 \| good	0.055 \| good
2025-11-06T19:00:00.000Z	33 \| good	5.54 \| good	11.363 \| good	15.823 \| good	0.971 \| good	10.924 \| good	0.041 \| good
2025-11-06T20:00:00.000Z	33 \| good	5.697 \| good	13.715 \| good	13.717 \| good	0.847 \| good	11.625 \| good	0.046 \| good
2025-11-06T21:00:00.000Z	33 \| good	6.189 \| good	14.924 \| good	19.153 \| good	0.887 \| good	12.754 \| good	0.042 \| good
2025-11-06T22:00:00.000Z	38 \| good	6.79 \| good	15.413 \| good	17.102 \| good	0.911 \| good	8.305 \| good	0.051 \| good
2025-11-06T23:00:00.000Z	38 \| good	6.866 \| good	14.824 \| good	18.282 \| good	0.812 \| good	6.755 \| good	0.07 \| good
2025-11-07T00:00:00.000Z	33 \| good	6.15 \| good	12.975 \| good	16.378 \| good	1.169 \| good	7.129 \| good	0.553 \| good
2025-11-07T01:00:00.000Z	33 \| good	5.997 \| good	12.995 \| good	15.042 \| good	1.251 \| good	8.834 \| good	0.485 \| good
2025-11-07T02:00:00.000Z	44 \| good	7.834 \| good	15.501 \| good	13.485 \| good	1.54 \| good	7.016 \| good	0.441 \| good
2025-11-07T03:00:00.000Z	44 \| good	8.306 \| good	21.78 \| good	14.241 \| good	2.222 \| good	10.324 \| good	0.401 \| good
2025-11-07T04:00:00.000Z	44 \| good	7.908 \| good	18.799 \| good	13.376 \| good	2.492 \| good	8.567 \| good	0.34 \| good
2025-11-07T05:00:00.000Z	38 \| good	7.067 \| good	12.168 \| good	13.77 \| good	2.251 \| good	5.641 \| good	0.338 \| good
2025-11-07T06:00:00.000Z	38 \| good	6.681 \| good	11.502 \| good	15.38 \| good	2.288 \| good	6.538 \| good	0.023 \| good
2025-11-07T07:00:00.000Z	38 \| good	6.756 \| good	14.022 \| good	16.156 \| good	1.796 \| good	4.128 \| good	0.031 \| good
2025-11-07T08:00:00.000Z	38 \| good	7.42 \| good	11.831 \| good	13.987 \| good	0.81 \| good	8.139 \| good	0.03 \| good
2025-11-07T09:00:00.000Z	52 \| moderate	10.355 \| good	12.504 \| good	16.142 \| good	0.307 \| good	7.279 \| good	0.136 \| good
2025-11-07T10:00:00.000Z	52 \| moderate	9.548 \| good	11.801 \| good	19.77 \| good	0.283 \| good	5.865 \| good	0.133 \| good
2025-11-07T11:00:00.000Z	49 \| good	8.645 \| good	11.832 \| good	21.009 \| good	0.238 \| good	5.636 \| good	0.139 \| good
2025-11-07T12:00:00.000Z	38 \| good	7.44 \| good	11.387 \| good	22.06 \| good	0.192 \| good	4.79 \| good	0.141 \| good
2025-11-07T13:00:00.000Z	44 \| good	8.034 \| good	26.294 \| good	17.617 \| good	0.748 \| good	7.123 \| good	0.034 \| good
2025-11-07T14:00:00.000Z	49 \| good	9.437 \| good	28.668 \| good	17.461 \| good	0.748 \| good	4.736 \| good	0.039 \| good
2025-11-07T15:00:00.000Z	44 \| good	8.358 \| good	17.519 \| good	20.887 \| good	0.747 \| good	4.116 \| good	0.039 \| good
2025-11-07T16:00:00.000Z	44 \| good	8.339 \| good	20.557 \| good	22.882 \| good	1.738 \| good	4.121 \| good	0.042 \| good
2025-11-07T17:00:00.000Z	44 \| good	8.295 \| good	12.318 \| good	23.057 \| good	1.903 \| good	4.332 \| good	0.047 \| good
2025-11-07T18:00:00.000Z	49 \| good	8.823 \| good	12.245 \| good	23.548 \| good	1.781 \| good	4.762 \| good	0.05 \| good
2025-11-07T19:00:00.000Z	38 \| good	7.318 \| good	11.453 \| good	23.55 \| good	1.848 \| good	5.845 \| good	0.072 \| good
2025-11-07T20:00:00.000Z	33 \| good	5.642 \| good	12.449 \| good	19.295 \| good	1.854 \| good	5.215 \| good	0.06 \| good
2025-11-07T21:00:00.000Z	44 \| good	8.232 \| good	15.092 \| good	22.817 \| good	1.898 \| good	6.889 \| good	0.062 \| good
2025-11-07T22:00:00.000Z	44 \| good	8.47 \| good	12.597 \| good	19.466 \| good	1.84 \| good	5.025 \| good	0.072 \| good
2025-11-07T23:00:00.000Z	44 \| good	7.503 \| good	12.315 \| good	21.744 \| good	1.863 \| good	4.186 \| good	0.099 \| good
2025-11-08T00:00:00.000Z	38 \| good	7.348 \| good	12.329 \| good	23.736 \| good	1.915 \| good	3.321 \| good	0.861 \| good
2025-11-08T01:00:00.000Z	44 \| good	7.669 \| good	14.783 \| good	23.212 \| good	1.892 \| good	2.546 \| good	0.441 \| good
2025-11-08T02:00:00.000Z	38 \| good	7.039 \| good	12.526 \| good	23.773 \| good	1.796 \| good	1.591 \| good	0.332 \| good
2025-11-08T03:00:00.000Z	38 \| good	7.012 \| good	13.495 \| good	21.024 \| good	1.901 \| good	2.788 \| good	0.296 \| good
2025-11-08T04:00:00.000Z	38 \| good	7.012 \| good	13.495 \| good	21.024 \| good	1.901 \| good	2.788 \| good	0.296 \| good
2025-11-08T04:00:00.000Z	27 \| good	5.294 \| good	7.394 \| good	21.1 \| good	0.156 \| good	4.354 \| good	0.118 \| good
2025-11-08T05:00:00.000Z	33 \| good	5.666 \| good	9.555 \| good	18.966 \| good	0.184 \| good	5.137 \| good	0.118 \| good
2025-11-08T06:00:00.000Z	33 \| good	6.432 \| good	10.001 \| good	21.409 \| good	0.217 \| good	5.084 \| good	0.117 \| good
2025-11-08T07:00:00.000Z	38 \| good	6.727 \| good	9.924 \| good	21.649 \| good	0.312 \| good	5.024 \| good	0.118 \| good
2025-11-08T08:00:00.000Z	38 \| good	6.891 \| good	9.782 \| good	21.325 \| good	0.388 \| good	4.738 \| good	0.118 \| good
2025-11-08T09:00:00.000Z	44 \| good	7.75 \| good	10.065 \| good	22.084 \| good	0.39 \| good	4.882 \| good	0.119 \| good
2025-11-08T10:00:00.000Z	38 \| good	7.387 \| good	10.551 \| good	24.581 \| good	0.343 \| good	3.63 \| good	0.117 \| good
2025-11-08T11:00:00.000Z	33 \| good	6.437 \| good	8.978 \| good	27.484 \| good	0.276 \| good	3.241 \| good	0.116 \| good
2025-11-08T12:00:00.000Z	27 \| good	5.065 \| good	7.758 \| good	28.29 \| good	0.245 \| good	3.04 \| good	0.117 \| good
2025-11-08T13:00:00.000Z	29 \| good	4.297 \| good	6.678 \| good	30.934 \| good	0.212 \| good	2.621 \| good	0.119 \| good
2025-11-08T14:00:00.000Z	28 \| good	4.211 \| good	7.103 \| good	30.067 \| good	0.193 \| good	2.732 \| good	0.119 \| good
2025-11-08T15:00:00.000Z	27 \| good	4.492 \| good	7.225 \| good	29.346 \| good	0.198 \| good	3.172 \| good	0.12 \| good
2025-11-08T16:00:00.000Z	27 \| good	4.874 \| good	7.389 \| good	27.16 \| good	0.243 \| good	4.382 \| good	0.122 \| good
2025-11-08T17:00:00.000Z	33 \| good	5.921 \| good	8.344 \| good	23.369 \| good	0.32 \| good	5.863 \| good	0.126 \| good
2025-11-08T18:00:00.000Z	33 \| good	6.303 \| good	8.915 \| good	20.585 \| good	0.41 \| good	7.259 \| good	0.134 \| good
2025-11-08T19:00:00.000Z	38 \| good	7.106 \| good	10.011 \| good	20.029 \| good	0.48 \| good	7.925 \| good	0.137 \| good
2025-11-08T20:00:00.000Z	44 \| good	8.256 \| good	11.671 \| good	17.638 \| good	0.561 \| good	8.5 \| good	0.14 \| good
2025-11-08T21:00:00.000Z	49 \| good	8.793 \| good	13.249 \| good	15.168 \| good	0.645 \| good	9.159 \| good	0.144 \| good
2025-11-08T22:00:00.000Z	49 \| good	8.875 \| good	13.102 \| good	13.145 \| good	0.651 \| good	9.215 \| good	0.145 \| good
2025-11-08T23:00:00.000Z	49 \| good	9.308 \| good	12.639 \| good	12.08 \| good	0.624 \| good	8.797 \| good	0.142 \| good
2025-11-09T00:00:00.000Z	52 \| moderate	9.818 \| good	12.901 \| good	11.162 \| good	0.615 \| good	8.938 \| good	0.14 \| good
2025-11-09T01:00:00.000Z	52 \| moderate	9.836 \| good	13.467 \| good	10.869 \| good	0.607 \| good	9.429 \| good	0.141 \| good
2025-11-09T02:00:00.000Z	52 \| moderate	9.946 \| good	13.985 \| good	9.801 \| good	0.594 \| good	9.857 \| good	0.143 \| good
2025-11-09T03:00:00.000Z	52 \| moderate	10.395 \| good	14.368 \| good	8.538 \| good	0.569 \| good	10.498 \| good	0.148 \| good
2025-11-09T04:00:00.000Z	54 \| moderate	10.893 \| good	14.026 \| good	6.95 \| good	0.56 \| good	12.105 \| good	0.153 \| good
2025-11-09T05:00:00.000Z	56 \| moderate	11.671 \| good	14.742 \| good	5.434 \| good	0.534 \| good	14.111 \| good	0.158 \| good
2025-11-09T06:00:00.000Z	56 \| moderate	12.401 \| fine	15.448 \| good	6.306 \| good	0.533 \| good	15.918 \| good	0.161 \| good
2025-11-09T07:00:00.000Z	58 \| moderate	13.086 \| fine	16.699 \| good	7.128 \| good	0.639 \| good	18.062 \| good	0.162 \| good
2025-11-09T08:00:00.000Z	60 \| moderate	14.394 \| fine	19.172 \| good	9.114 \| good	0.733 \| good	15.918 \| good	0.163 \| good
2025-11-09T09:00:00.000Z	58 \| moderate	13.105 \| fine	19.483 \| good	19.762 \| good	0.683 \| good	10.942 \| good	0.148 \| good
2025-11-09T10:00:00.000Z	54 \| moderate	10.565 \| good	15.368 \| good	24.874 \| good	0.594 \| good	7.406 \| good	0.136 \| good
2025-11-09T11:00:00.000Z	44 \| good	8.138 \| good	12.711 \| good	27.4 \| good	0.465 \| good	5.999 \| good	0.131 \| good
2025-11-09T12:00:00.000Z	38 \| good	6.531 \| good	12.15 \| good	30.756 \| good	0.386 \| good	4.704 \| good	0.125 \| good
2025-11-09T13:00:00.000Z	33 \| good	5.761 \| good	10.485 \| good	31.611 \| good	0.269 \| good	3.762 \| good	0.12 \| good
2025-11-09T14:00:00.000Z	31 \| good	5.236 \| good	8.942 \| good	32.599 \| good	0.225 \| good	3.542 \| good	0.119 \| good
2025-11-09T15:00:00.000Z	29 \| good	4.936 \| good	8.148 \| good	31.425 \| good	0.205 \| good	3.708 \| good	0.118 \| good
2025-11-09T16:00:00.000Z	30 \| good	5.056 \| good	7.792 \| good	31.541 \| good	0.197 \| good	3.759 \| good	0.119 \| good
2025-11-09T17:00:00.000Z	29 \| good	5.292 \| good	8.128 \| good	30.509 \| good	0.22 \| good	4.128 \| good	0.122 \| good
2025-11-09T18:00:00.000Z	33 \| good	5.617 \| good	9.185 \| good	29.377 \| good	0.25 \| good	4.464 \| good	0.123 \| good
2025-11-09T19:00:00.000Z	33 \| good	5.831 \| good	9.301 \| good	28.318 \| good	0.263 \| good	4.444 \| good	0.124 \| good
2025-11-09T20:00:00.000Z	33 \| good	6.015 \| good	9.591 \| good	28.322 \| good	0.272 \| good	4.3 \| good	0.123 \| good
2025-11-09T21:00:00.000Z	33 \| good	6.214 \| good	9.93 \| good	28.019 \| good	0.264 \| good	4.124 \| good	0.123 \| good
2025-11-09T22:00:00.000Z	33 \| good	6.417 \| good	9.687 \| good	28.722 \| good	0.262 \| good	3.908 \| good	0.122 \| good
2025-11-09T23:00:00.000Z	33 \| good	5.912 \| good	9.274 \| good	29.196 \| good	0.218 \| good	3.537 \| good	0.12 \| good
2025-11-10T00:00:00.000Z	33 \| good	5.643 \| good	9.024 \| good	29.262 \| good	0.175 \| good	2.991 \| good	0.119 \| good
2025-11-10T01:00:00.000Z	27 \| good	5.355 \| good	9.199 \| good	29.039 \| good	0.17 \| good	2.695 \| good	0.117 \| good
2025-11-10T02:00:00.000Z	33 \| good	6.379 \| good	9.932 \| good	28.95 \| good	0.169 \| good	2.509 \| good	0.118 \| good
2025-11-10T03:00:00.000Z	38 \| good	7.082 \| good	10.587 \| good	29.058 \| good	0.156 \| good	2.402 \| good	0.118 \| good

Colchester

Get reliable air quality data to drive your business

Colchester, Essex air quality map: Stay updated on AQI near you

0.33ppm

How accurate is Essex, UK air quality data?

Air quality and pollutant data for Essex, UK are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

Air quality levels in UK

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Frequently asked questions

How often is air quality information updated for Colchester, Essex?

The air quality information for Colchester, Essex is updated every hour for accuracy.

What time in the last 24 hours was the air quality in Colchester, Essex at its worst?

In the past 24 hours, the air quality in Colchester, Essex was at its worst at 10:00:00 on 2025-11-07.

When did Colchester, Essex experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in Colchester, Essex was observed at 08:00:00 on 2025-11-07.

What is the AQI in Colchester, Essex right now?

As of now, the AQI in Colchester, Essex is 38, indicating Good conditions.

What is the most common type of pollution in Colchester, Essex?

Colchester, Essex air has the highest levels of PM2.5.

What should I do in case of poor air quality in Colchester, Essex?

Poor air quality in Colchester, Essex means it's advisable to stay indoors and wear a mask for your protection.

What is the PM_2.5 level in Colchester, Essex at the moment?

PM_2.5 levels in Colchester, Essex are currently 7.039 μg/m³.

What is the PM₁₀ level in Colchester, Essex at the moment?

The PM₁₀ concentration in Colchester, Essex is 12.526 μg/m³ at the moment.

What is the carbon monoxide (CO) level in Colchester, Essex at the moment?

The current carbon monoxide (CO) concentration in Colchester, Essex is 0.332 ppm.

What is the sulfur dioxide (SO₂) level in Colchester, Essex at the moment?

Currently, Colchester, Essex has a sulfur dioxide (SO₂) concentration of 1.796 ppb.

What is the ozone (O₃) level in Colchester, Essex at the moment?

The current ozone (O₃) level in Colchester, Essex at the moment is 23.773 ppm.

What is the nitrogen dioxide (NO₂) level in Colchester, Essex at the moment?

Nitrogen dioxide (NO₂) level in Colchester, Essex at the moment is 1.591 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-11-06T05:00:00.000Z	38 \| good	6.751 \| good	10.386 \| good	21.301 \| good	0.208 \| good	4.502 \| good	0.13 \| good
2025-11-06T06:00:00.000Z	33 \| good	5.815 \| good	12.84 \| good	18.482 \| good	0.917 \| good	6.359 \| good	0.055 \| good
2025-11-06T07:00:00.000Z	33 \| good	6.274 \| good	11.918 \| good	20.022 \| good	1 \| good	4.922 \| good	0.604 \| good
2025-11-06T08:00:00.000Z	33 \| good	5.692 \| good	32.191 \| good	16.838 \| good	0.893 \| good	8.364 \| good	0.058 \| good
2025-11-06T09:00:00.000Z	33 \| good	5.654 \| good	18.344 \| good	20.043 \| good	0.998 \| good	13.155 \| good	0.514 \| good
2025-11-06T10:00:00.000Z	33 \| good	6.063 \| good	28.53 \| good	18.566 \| good	1.031 \| good	8.438 \| good	0.049 \| good
2025-11-06T11:00:00.000Z	27 \| good	5.356 \| good	26.379 \| good	18.298 \| good	0.776 \| good	8.349 \| good	0.029 \| good
2025-11-06T12:00:00.000Z	27 \| good	5.258 \| good	12.752 \| good	13.033 \| good	0.816 \| good	8.698 \| good	0.024 \| good
2025-11-06T13:00:00.000Z	27 \| good	5.031 \| good	16.406 \| good	12.883 \| good	0.939 \| good	7.606 \| good	0.022 \| good
2025-11-06T14:00:00.000Z	38 \| good	7.039 \| good	33.374 \| good	14.819 \| good	1.014 \| good	9.166 \| good	0.022 \| good
2025-11-06T15:00:00.000Z	33 \| good	5.567 \| good	11.014 \| good	14.615 \| good	1.052 \| good	6.753 \| good	0.024 \| good
2025-11-06T16:00:00.000Z	27 \| good	5.183 \| good	11.649 \| good	16.296 \| good	0.97 \| good	6.128 \| good	0.031 \| good
2025-11-06T17:00:00.000Z	33 \| good	5.844 \| good	35.201 \| good	17.129 \| good	0.966 \| good	14.386 \| good	0.056 \| good
2025-11-06T18:00:00.000Z	49 \| good	8.782 \| good	35.853 \| good	18.627 \| good	0.894 \| good	10.96 \| good	0.055 \| good
2025-11-06T19:00:00.000Z	33 \| good	5.54 \| good	11.363 \| good	15.823 \| good	0.971 \| good	10.924 \| good	0.041 \| good
2025-11-06T20:00:00.000Z	33 \| good	5.697 \| good	13.715 \| good	13.717 \| good	0.847 \| good	11.625 \| good	0.046 \| good
2025-11-06T21:00:00.000Z	33 \| good	6.189 \| good	14.924 \| good	19.153 \| good	0.887 \| good	12.754 \| good	0.042 \| good
2025-11-06T22:00:00.000Z	38 \| good	6.79 \| good	15.413 \| good	17.102 \| good	0.911 \| good	8.305 \| good	0.051 \| good
2025-11-06T23:00:00.000Z	38 \| good	6.866 \| good	14.824 \| good	18.282 \| good	0.812 \| good	6.755 \| good	0.07 \| good
2025-11-07T00:00:00.000Z	33 \| good	6.15 \| good	12.975 \| good	16.378 \| good	1.169 \| good	7.129 \| good	0.553 \| good
2025-11-07T01:00:00.000Z	33 \| good	5.997 \| good	12.995 \| good	15.042 \| good	1.251 \| good	8.834 \| good	0.485 \| good
2025-11-07T02:00:00.000Z	44 \| good	7.834 \| good	15.501 \| good	13.485 \| good	1.54 \| good	7.016 \| good	0.441 \| good
2025-11-07T03:00:00.000Z	44 \| good	8.306 \| good	21.78 \| good	14.241 \| good	2.222 \| good	10.324 \| good	0.401 \| good
2025-11-07T04:00:00.000Z	44 \| good	7.908 \| good	18.799 \| good	13.376 \| good	2.492 \| good	8.567 \| good	0.34 \| good
2025-11-07T05:00:00.000Z	38 \| good	7.067 \| good	12.168 \| good	13.77 \| good	2.251 \| good	5.641 \| good	0.338 \| good
2025-11-07T06:00:00.000Z	38 \| good	6.681 \| good	11.502 \| good	15.38 \| good	2.288 \| good	6.538 \| good	0.023 \| good
2025-11-07T07:00:00.000Z	38 \| good	6.756 \| good	14.022 \| good	16.156 \| good	1.796 \| good	4.128 \| good	0.031 \| good
2025-11-07T08:00:00.000Z	38 \| good	7.42 \| good	11.831 \| good	13.987 \| good	0.81 \| good	8.139 \| good	0.03 \| good
2025-11-07T09:00:00.000Z	52 \| moderate	10.355 \| good	12.504 \| good	16.142 \| good	0.307 \| good	7.279 \| good	0.136 \| good
2025-11-07T10:00:00.000Z	52 \| moderate	9.548 \| good	11.801 \| good	19.77 \| good	0.283 \| good	5.865 \| good	0.133 \| good
2025-11-07T11:00:00.000Z	49 \| good	8.645 \| good	11.832 \| good	21.009 \| good	0.238 \| good	5.636 \| good	0.139 \| good
2025-11-07T12:00:00.000Z	38 \| good	7.44 \| good	11.387 \| good	22.06 \| good	0.192 \| good	4.79 \| good	0.141 \| good
2025-11-07T13:00:00.000Z	44 \| good	8.034 \| good	26.294 \| good	17.617 \| good	0.748 \| good	7.123 \| good	0.034 \| good
2025-11-07T14:00:00.000Z	49 \| good	9.437 \| good	28.668 \| good	17.461 \| good	0.748 \| good	4.736 \| good	0.039 \| good
2025-11-07T15:00:00.000Z	44 \| good	8.358 \| good	17.519 \| good	20.887 \| good	0.747 \| good	4.116 \| good	0.039 \| good
2025-11-07T16:00:00.000Z	44 \| good	8.339 \| good	20.557 \| good	22.882 \| good	1.738 \| good	4.121 \| good	0.042 \| good
2025-11-07T17:00:00.000Z	44 \| good	8.295 \| good	12.318 \| good	23.057 \| good	1.903 \| good	4.332 \| good	0.047 \| good
2025-11-07T18:00:00.000Z	49 \| good	8.823 \| good	12.245 \| good	23.548 \| good	1.781 \| good	4.762 \| good	0.05 \| good
2025-11-07T19:00:00.000Z	38 \| good	7.318 \| good	11.453 \| good	23.55 \| good	1.848 \| good	5.845 \| good	0.072 \| good
2025-11-07T20:00:00.000Z	33 \| good	5.642 \| good	12.449 \| good	19.295 \| good	1.854 \| good	5.215 \| good	0.06 \| good
2025-11-07T21:00:00.000Z	44 \| good	8.232 \| good	15.092 \| good	22.817 \| good	1.898 \| good	6.889 \| good	0.062 \| good
2025-11-07T22:00:00.000Z	44 \| good	8.47 \| good	12.597 \| good	19.466 \| good	1.84 \| good	5.025 \| good	0.072 \| good
2025-11-07T23:00:00.000Z	44 \| good	7.503 \| good	12.315 \| good	21.744 \| good	1.863 \| good	4.186 \| good	0.099 \| good
2025-11-08T00:00:00.000Z	38 \| good	7.348 \| good	12.329 \| good	23.736 \| good	1.915 \| good	3.321 \| good	0.861 \| good
2025-11-08T01:00:00.000Z	44 \| good	7.669 \| good	14.783 \| good	23.212 \| good	1.892 \| good	2.546 \| good	0.441 \| good
2025-11-08T02:00:00.000Z	38 \| good	7.039 \| good	12.526 \| good	23.773 \| good	1.796 \| good	1.591 \| good	0.332 \| good
2025-11-08T03:00:00.000Z	38 \| good	7.012 \| good	13.495 \| good	21.024 \| good	1.901 \| good	2.788 \| good	0.296 \| good
2025-11-08T04:00:00.000Z	38 \| good	7.012 \| good	13.495 \| good	21.024 \| good	1.901 \| good	2.788 \| good	0.296 \| good
2025-11-08T04:00:00.000Z	27 \| good	5.294 \| good	7.394 \| good	21.1 \| good	0.156 \| good	4.354 \| good	0.118 \| good
2025-11-08T05:00:00.000Z	33 \| good	5.666 \| good	9.555 \| good	18.966 \| good	0.184 \| good	5.137 \| good	0.118 \| good
2025-11-08T06:00:00.000Z	33 \| good	6.432 \| good	10.001 \| good	21.409 \| good	0.217 \| good	5.084 \| good	0.117 \| good
2025-11-08T07:00:00.000Z	38 \| good	6.727 \| good	9.924 \| good	21.649 \| good	0.312 \| good	5.024 \| good	0.118 \| good
2025-11-08T08:00:00.000Z	38 \| good	6.891 \| good	9.782 \| good	21.325 \| good	0.388 \| good	4.738 \| good	0.118 \| good
2025-11-08T09:00:00.000Z	44 \| good	7.75 \| good	10.065 \| good	22.084 \| good	0.39 \| good	4.882 \| good	0.119 \| good
2025-11-08T10:00:00.000Z	38 \| good	7.387 \| good	10.551 \| good	24.581 \| good	0.343 \| good	3.63 \| good	0.117 \| good
2025-11-08T11:00:00.000Z	33 \| good	6.437 \| good	8.978 \| good	27.484 \| good	0.276 \| good	3.241 \| good	0.116 \| good
2025-11-08T12:00:00.000Z	27 \| good	5.065 \| good	7.758 \| good	28.29 \| good	0.245 \| good	3.04 \| good	0.117 \| good
2025-11-08T13:00:00.000Z	29 \| good	4.297 \| good	6.678 \| good	30.934 \| good	0.212 \| good	2.621 \| good	0.119 \| good
2025-11-08T14:00:00.000Z	28 \| good	4.211 \| good	7.103 \| good	30.067 \| good	0.193 \| good	2.732 \| good	0.119 \| good
2025-11-08T15:00:00.000Z	27 \| good	4.492 \| good	7.225 \| good	29.346 \| good	0.198 \| good	3.172 \| good	0.12 \| good
2025-11-08T16:00:00.000Z	27 \| good	4.874 \| good	7.389 \| good	27.16 \| good	0.243 \| good	4.382 \| good	0.122 \| good
2025-11-08T17:00:00.000Z	33 \| good	5.921 \| good	8.344 \| good	23.369 \| good	0.32 \| good	5.863 \| good	0.126 \| good
2025-11-08T18:00:00.000Z	33 \| good	6.303 \| good	8.915 \| good	20.585 \| good	0.41 \| good	7.259 \| good	0.134 \| good
2025-11-08T19:00:00.000Z	38 \| good	7.106 \| good	10.011 \| good	20.029 \| good	0.48 \| good	7.925 \| good	0.137 \| good
2025-11-08T20:00:00.000Z	44 \| good	8.256 \| good	11.671 \| good	17.638 \| good	0.561 \| good	8.5 \| good	0.14 \| good
2025-11-08T21:00:00.000Z	49 \| good	8.793 \| good	13.249 \| good	15.168 \| good	0.645 \| good	9.159 \| good	0.144 \| good
2025-11-08T22:00:00.000Z	49 \| good	8.875 \| good	13.102 \| good	13.145 \| good	0.651 \| good	9.215 \| good	0.145 \| good
2025-11-08T23:00:00.000Z	49 \| good	9.308 \| good	12.639 \| good	12.08 \| good	0.624 \| good	8.797 \| good	0.142 \| good
2025-11-09T00:00:00.000Z	52 \| moderate	9.818 \| good	12.901 \| good	11.162 \| good	0.615 \| good	8.938 \| good	0.14 \| good
2025-11-09T01:00:00.000Z	52 \| moderate	9.836 \| good	13.467 \| good	10.869 \| good	0.607 \| good	9.429 \| good	0.141 \| good
2025-11-09T02:00:00.000Z	52 \| moderate	9.946 \| good	13.985 \| good	9.801 \| good	0.594 \| good	9.857 \| good	0.143 \| good
2025-11-09T03:00:00.000Z	52 \| moderate	10.395 \| good	14.368 \| good	8.538 \| good	0.569 \| good	10.498 \| good	0.148 \| good
2025-11-09T04:00:00.000Z	54 \| moderate	10.893 \| good	14.026 \| good	6.95 \| good	0.56 \| good	12.105 \| good	0.153 \| good
2025-11-09T05:00:00.000Z	56 \| moderate	11.671 \| good	14.742 \| good	5.434 \| good	0.534 \| good	14.111 \| good	0.158 \| good
2025-11-09T06:00:00.000Z	56 \| moderate	12.401 \| fine	15.448 \| good	6.306 \| good	0.533 \| good	15.918 \| good	0.161 \| good
2025-11-09T07:00:00.000Z	58 \| moderate	13.086 \| fine	16.699 \| good	7.128 \| good	0.639 \| good	18.062 \| good	0.162 \| good
2025-11-09T08:00:00.000Z	60 \| moderate	14.394 \| fine	19.172 \| good	9.114 \| good	0.733 \| good	15.918 \| good	0.163 \| good
2025-11-09T09:00:00.000Z	58 \| moderate	13.105 \| fine	19.483 \| good	19.762 \| good	0.683 \| good	10.942 \| good	0.148 \| good
2025-11-09T10:00:00.000Z	54 \| moderate	10.565 \| good	15.368 \| good	24.874 \| good	0.594 \| good	7.406 \| good	0.136 \| good
2025-11-09T11:00:00.000Z	44 \| good	8.138 \| good	12.711 \| good	27.4 \| good	0.465 \| good	5.999 \| good	0.131 \| good
2025-11-09T12:00:00.000Z	38 \| good	6.531 \| good	12.15 \| good	30.756 \| good	0.386 \| good	4.704 \| good	0.125 \| good
2025-11-09T13:00:00.000Z	33 \| good	5.761 \| good	10.485 \| good	31.611 \| good	0.269 \| good	3.762 \| good	0.12 \| good
2025-11-09T14:00:00.000Z	31 \| good	5.236 \| good	8.942 \| good	32.599 \| good	0.225 \| good	3.542 \| good	0.119 \| good
2025-11-09T15:00:00.000Z	29 \| good	4.936 \| good	8.148 \| good	31.425 \| good	0.205 \| good	3.708 \| good	0.118 \| good
2025-11-09T16:00:00.000Z	30 \| good	5.056 \| good	7.792 \| good	31.541 \| good	0.197 \| good	3.759 \| good	0.119 \| good
2025-11-09T17:00:00.000Z	29 \| good	5.292 \| good	8.128 \| good	30.509 \| good	0.22 \| good	4.128 \| good	0.122 \| good
2025-11-09T18:00:00.000Z	33 \| good	5.617 \| good	9.185 \| good	29.377 \| good	0.25 \| good	4.464 \| good	0.123 \| good
2025-11-09T19:00:00.000Z	33 \| good	5.831 \| good	9.301 \| good	28.318 \| good	0.263 \| good	4.444 \| good	0.124 \| good
2025-11-09T20:00:00.000Z	33 \| good	6.015 \| good	9.591 \| good	28.322 \| good	0.272 \| good	4.3 \| good	0.123 \| good
2025-11-09T21:00:00.000Z	33 \| good	6.214 \| good	9.93 \| good	28.019 \| good	0.264 \| good	4.124 \| good	0.123 \| good
2025-11-09T22:00:00.000Z	33 \| good	6.417 \| good	9.687 \| good	28.722 \| good	0.262 \| good	3.908 \| good	0.122 \| good
2025-11-09T23:00:00.000Z	33 \| good	5.912 \| good	9.274 \| good	29.196 \| good	0.218 \| good	3.537 \| good	0.12 \| good
2025-11-10T00:00:00.000Z	33 \| good	5.643 \| good	9.024 \| good	29.262 \| good	0.175 \| good	2.991 \| good	0.119 \| good
2025-11-10T01:00:00.000Z	27 \| good	5.355 \| good	9.199 \| good	29.039 \| good	0.17 \| good	2.695 \| good	0.117 \| good
2025-11-10T02:00:00.000Z	33 \| good	6.379 \| good	9.932 \| good	28.95 \| good	0.169 \| good	2.509 \| good	0.118 \| good
2025-11-10T03:00:00.000Z	38 \| good	7.082 \| good	10.587 \| good	29.058 \| good	0.156 \| good	2.402 \| good	0.118 \| good

Live air quality index in Colchester, Essex today

Major air pollutants in Colchester, Essex

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Colchester, Essex air quality map: Stay updated on AQI near you

Air quality in nearby cities

Halstead, Essex

Sudbury, Suffolk

Witham, Essex

ClactononSea, Essex

Braintree, Essex

Maldon, Essex

How accurate is Essex, UK air quality data?

Air quality levels in UK

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What is the sulfur dioxide (SO2) level in Colchester, Essex at the moment?

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 level in Colchester, Essex at the moment?

What is the PM₁₀ level in Colchester, Essex at the moment?

What is the sulfur dioxide (SO₂) level in Colchester, Essex at the moment?

What is the ozone (O₃) level in Colchester, Essex at the moment?

What is the nitrogen dioxide (NO₂) level in Colchester, Essex at the moment?