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

The PM10 concentration in Colchester, Essex is 10.392 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 0.479 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 27.978 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 2.721 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 4.454 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)

4.45 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

10.39 μg/m³

155

255

425

605+

Ozone (O₃)

27.98 ppb

201

201+

Sulfur Dioxide (SO₂)

0.48 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.72 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.31 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
2026-09-26T23:00:00.000Z	30 \| good	5.047 \| good	9.47 \| good	32.038 \| good	0.443 \| good	4.713 \| good	0.297 \| good
2026-09-27T00:00:00.000Z	29 \| good	5.058 \| good	12.582 \| good	31.399 \| good	0.477 \| good	5.071 \| good	0.226 \| good
2026-09-27T01:00:00.000Z	26 \| good	4.198 \| good	11.492 \| good	27.506 \| good	0.558 \| good	5.376 \| good	0.229 \| good
2026-09-27T02:00:00.000Z	27 \| good	4.676 \| good	11.262 \| good	25.847 \| good	0.432 \| good	5.443 \| good	0.212 \| good
2026-09-27T03:00:00.000Z	27 \| good	4.803 \| good	10.913 \| good	22.468 \| good	0.604 \| good	3.427 \| good	0.217 \| good
2026-09-27T04:00:00.000Z	27 \| good	4.552 \| good	10.578 \| good	23.719 \| good	0.439 \| good	2.464 \| good	0.205 \| good
2026-09-27T05:00:00.000Z	22 \| good	4.302 \| good	9.533 \| good	22.459 \| good	0.498 \| good	4.272 \| good	0.035 \| good
2026-09-27T06:00:00.000Z	27 \| good	4.633 \| good	8.202 \| good	23.326 \| good	0.469 \| good	4.405 \| good	0.033 \| good
2026-09-27T07:00:00.000Z	22 \| good	4.433 \| good	11.787 \| good	17.125 \| good	0.523 \| good	3.601 \| good	0.034 \| good
2026-09-27T08:00:00.000Z	33 \| good	6.142 \| good	13.177 \| good	21.574 \| good	0.388 \| good	10.579 \| good	0.035 \| good
2026-09-27T09:00:00.000Z	56 \| moderate	11.791 \| good	15.059 \| good	26.437 \| good	0.462 \| good	6.838 \| good	0.034 \| good
2026-09-27T10:00:00.000Z	38 \| good	7.154 \| good	27.856 \| good	23.543 \| good	0.498 \| good	9.09 \| good	0.041 \| good
2026-09-27T11:00:00.000Z	49 \| good	9.075 \| good	15.325 \| good	26.669 \| good	0.68 \| good	6.358 \| good	0.033 \| good
2026-09-27T12:00:00.000Z	44 \| good	8.453 \| good	11.531 \| good	17.156 \| good	0.769 \| good	5.683 \| good	0.032 \| good
2026-09-27T13:00:00.000Z	33 \| good	5.911 \| good	16.781 \| good	34.45 \| good	0.613 \| good	5.614 \| good	0.03 \| good
2026-09-27T14:00:00.000Z	33 \| good	6.318 \| good	12.785 \| good	33.987 \| good	0.613 \| good	4.945 \| good	0.03 \| good
2026-09-27T15:00:00.000Z	38 \| good	7.209 \| good	15.086 \| good	39.705 \| good	0.613 \| good	2.857 \| good	0.032 \| good
2026-09-27T16:00:00.000Z	38 \| good	7.055 \| good	12.002 \| good	38.531 \| good	0.544 \| good	2.18 \| good	0.031 \| good
2026-09-27T17:00:00.000Z	38 \| good	7.356 \| good	10.495 \| good	41.426 \| good	0.696 \| good	2.593 \| good	0.032 \| good
2026-09-27T18:00:00.000Z	38 \| good	6.836 \| good	11.984 \| good	38.326 \| good	0.56 \| good	3.159 \| good	0.038 \| good
2026-09-27T19:00:00.000Z	44 \| good	7.632 \| good	13.198 \| good	42.166 \| good	0.485 \| good	3.474 \| good	0.044 \| good
2026-09-27T20:00:00.000Z	44 \| good	7.949 \| good	12.939 \| good	41.182 \| good	0.513 \| good	3.799 \| good	0.05 \| good
2026-09-27T21:00:00.000Z	38 \| good	7.318 \| good	13.776 \| good	39.521 \| good	0.433 \| good	3.426 \| good	0.061 \| good
2026-09-27T22:00:00.000Z	38 \| good	7.342 \| good	11.663 \| good	37.506 \| good	0.433 \| good	3.677 \| good	0.051 \| good
2026-09-27T23:00:00.000Z	44 \| good	7.875 \| good	13.425 \| good	35.467 \| good	0.434 \| good	3.471 \| good	0.056 \| good
2026-09-28T00:00:00.000Z	44 \| good	7.797 \| good	14.473 \| good	34.417 \| good	0.487 \| good	3.468 \| good	0.255 \| good
2026-09-28T01:00:00.000Z	44 \| good	7.852 \| good	12.903 \| good	32.252 \| good	0.569 \| good	2.863 \| good	0.18 \| good
2026-09-28T02:00:00.000Z	38 \| good	7.158 \| good	12.625 \| good	31.14 \| good	0.438 \| good	3.661 \| good	0.226 \| good
2026-09-28T03:00:00.000Z	38 \| good	7.112 \| good	12.968 \| good	28.868 \| good	0.573 \| good	4.397 \| good	0.214 \| good
2026-09-28T04:00:00.000Z	38 \| good	7.284 \| good	13.059 \| good	27.651 \| good	0.568 \| good	3.887 \| good	0.218 \| good
2026-09-28T05:00:00.000Z	33 \| good	6.463 \| good	11.731 \| good	25.823 \| good	0.463 \| good	2.26 \| good	0.197 \| good
2026-09-28T06:00:00.000Z	38 \| good	6.642 \| good	11.388 \| good	24.307 \| good	0.46 \| good	2.247 \| good	0.21 \| good
2026-09-28T07:00:00.000Z	38 \| good	6.74 \| good	11.919 \| good	22.709 \| good	0.586 \| good	4.778 \| good	0.279 \| good
2026-09-28T08:00:00.000Z	33 \| good	6.137 \| good	12.242 \| good	22.567 \| good	0.436 \| good	3.254 \| good	0.264 \| good
2026-09-28T09:00:00.000Z	38 \| good	6.621 \| good	11.656 \| good	19.654 \| good	0.56 \| good	5.711 \| good	0.235 \| good
2026-09-28T10:00:00.000Z	38 \| good	6.612 \| good	13.202 \| good	21.527 \| good	0.482 \| good	4.599 \| good	0.221 \| good
2026-09-28T11:00:00.000Z	33 \| good	6.309 \| good	12.703 \| good	18.569 \| good	0.608 \| good	4.719 \| good	0.212 \| good
2026-09-28T12:00:00.000Z	33 \| good	6.36 \| good	12.036 \| good	20.475 \| good	0.734 \| good	4.395 \| good	0.188 \| good
2026-09-28T13:00:00.000Z	27 \| good	5.46 \| good	10.749 \| good	22.879 \| good	0.56 \| good	3.886 \| good	0.165 \| good
2026-09-28T14:00:00.000Z	33 \| good	5.722 \| good	11.687 \| good	24.079 \| good	0.545 \| good	3.676 \| good	0.162 \| good
2026-09-28T15:00:00.000Z	27 \| good	5.205 \| good	11.28 \| good	24.587 \| good	0.432 \| good	2.989 \| good	0.156 \| good
2026-09-28T16:00:00.000Z	27 \| good	5.013 \| good	8.939 \| good	28.585 \| good	0.584 \| good	2.762 \| good	0.153 \| good
2026-09-28T17:00:00.000Z	29 \| good	4.312 \| good	9.856 \| good	30.604 \| good	0.629 \| good	3.25 \| good	0.168 \| good
2026-09-28T18:00:00.000Z	30 \| good	4.769 \| good	9.084 \| good	31.949 \| good	0.529 \| good	2.705 \| good	0.216 \| good
2026-09-28T19:00:00.000Z	30 \| good	4.069 \| good	11.769 \| good	32.217 \| good	0.48 \| good	3.673 \| good	0.253 \| good
2026-09-28T20:00:00.000Z	30 \| good	4.398 \| good	10.349 \| good	31.864 \| good	0.479 \| good	3.394 \| good	0.324 \| good
2026-09-28T21:00:00.000Z	26 \| good	4.454 \| good	10.392 \| good	27.978 \| good	0.479 \| good	2.721 \| good	0.312 \| good
2026-09-28T22:00:00.000Z	28 \| good	4.38 \| good	10.513 \| good	30.042 \| good	0.511 \| good	5.051 \| good	0.352 \| good
2026-09-28T22:00:00.000Z	26 \| good	4.454 \| good	10.392 \| good	27.978 \| good	0.479 \| good	2.721 \| good	0.312 \| good
2026-09-28T23:00:00.000Z	28 \| good	2.683 \| good	5.562 \| good	30.144 \| good	0.139 \| good	3.418 \| good	0.125 \| good
2026-09-29T00:00:00.000Z	28 \| good	2.581 \| good	4.9 \| good	30.388 \| good	0.114 \| good	3.342 \| good	0.125 \| good
2026-09-29T01:00:00.000Z	29 \| good	2.452 \| good	4.783 \| good	30.52 \| good	0.098 \| good	3.039 \| good	0.123 \| good
2026-09-29T02:00:00.000Z	28 \| good	2.432 \| good	4.631 \| good	29.577 \| good	0.094 \| good	2.912 \| good	0.122 \| good
2026-09-29T03:00:00.000Z	27 \| good	2.476 \| good	4.933 \| good	28.692 \| good	0.097 \| good	3.074 \| good	0.123 \| good
2026-09-29T04:00:00.000Z	25 \| good	2.656 \| good	5.014 \| good	27.311 \| good	0.113 \| good	3.584 \| good	0.125 \| good
2026-09-29T05:00:00.000Z	23 \| good	3.085 \| good	5.704 \| good	24.587 \| good	0.131 \| good	4.521 \| good	0.131 \| good
2026-09-29T06:00:00.000Z	22 \| good	3.61 \| good	6.479 \| good	21.769 \| good	0.163 \| good	5.821 \| good	0.135 \| good
2026-09-29T07:00:00.000Z	22 \| good	4.198 \| good	7.427 \| good	20.772 \| good	0.21 \| good	6.739 \| good	0.139 \| good
2026-09-29T08:00:00.000Z	27 \| good	4.898 \| good	7.728 \| good	21.567 \| good	0.205 \| good	5.924 \| good	0.14 \| good
2026-09-29T09:00:00.000Z	33 \| good	6.269 \| good	8.8 \| good	25.267 \| good	0.222 \| good	5.555 \| good	0.144 \| good
2026-09-29T10:00:00.000Z	38 \| good	7.295 \| good	11.357 \| good	29.199 \| good	0.272 \| good	4.742 \| good	0.145 \| good
2026-09-29T11:00:00.000Z	52 \| moderate	9.905 \| good	13.477 \| good	31.758 \| good	0.452 \| good	4.337 \| good	0.155 \| good
2026-09-29T12:00:00.000Z	54 \| moderate	11.016 \| good	14.702 \| good	31.823 \| good	0.565 \| good	5.161 \| good	0.16 \| good
2026-09-29T13:00:00.000Z	60 \| moderate	13.949 \| fine	16.53 \| good	32.998 \| good	0.574 \| good	5.017 \| good	0.159 \| good
2026-09-29T14:00:00.000Z	64 \| moderate	16.268 \| fine	19.337 \| good	35.094 \| good	0.537 \| good	5.094 \| good	0.165 \| good
2026-09-29T15:00:00.000Z	67 \| moderate	17.996 \| fine	21.929 \| good	36.264 \| good	0.535 \| good	5.868 \| good	0.169 \| good
2026-09-29T16:00:00.000Z	69 \| moderate	18.995 \| fine	24.178 \| good	35.557 \| good	0.513 \| good	7.305 \| good	0.175 \| good
2026-09-29T17:00:00.000Z	71 \| moderate	19.889 \| fine	23.272 \| good	32.361 \| good	0.497 \| good	10.025 \| good	0.175 \| good
2026-09-29T18:00:00.000Z	73 \| moderate	21.064 \| fine	23.643 \| good	30.549 \| good	0.538 \| good	11.606 \| good	0.18 \| good
2026-09-29T19:00:00.000Z	73 \| moderate	20.578 \| fine	24.619 \| good	29.418 \| good	0.483 \| good	10.92 \| good	0.183 \| good
2026-09-29T20:00:00.000Z	67 \| moderate	17.946 \| fine	21.754 \| good	28.651 \| good	0.662 \| good	7.472 \| good	0.183 \| good
2026-09-29T21:00:00.000Z	60 \| moderate	13.512 \| fine	18.559 \| good	28.915 \| good	0.726 \| good	6.393 \| good	0.175 \| good
2026-09-29T22:00:00.000Z	52 \| moderate	9.537 \| good	14.695 \| good	30.126 \| good	0.56 \| good	6.345 \| good	0.178 \| good
2026-09-29T23:00:00.000Z	44 \| good	7.818 \| good	13.068 \| good	28.167 \| good	0.291 \| good	5.994 \| good	0.158 \| good
2026-09-30T00:00:00.000Z	38 \| good	7.17 \| good	11.58 \| good	28.038 \| good	0.243 \| good	5.705 \| good	0.143 \| good
2026-09-30T01:00:00.000Z	33 \| good	5.997 \| good	10.597 \| good	29.776 \| good	0.181 \| good	5.27 \| good	0.133 \| good
2026-09-30T02:00:00.000Z	28 \| good	5.08 \| good	10.578 \| good	30.087 \| good	0.156 \| good	4.308 \| good	0.131 \| good
2026-09-30T03:00:00.000Z	28 \| good	5.024 \| good	10.854 \| good	29.589 \| good	0.142 \| good	3.609 \| good	0.13 \| good
2026-09-30T04:00:00.000Z	27 \| good	5.108 \| good	10.613 \| good	29.123 \| good	0.133 \| good	3.292 \| good	0.13 \| good
2026-09-30T05:00:00.000Z	28 \| good	5.147 \| good	10.469 \| good	30.071 \| good	0.128 \| good	3.178 \| good	0.13 \| good
2026-09-30T06:00:00.000Z	27 \| good	5.083 \| good	11.17 \| good	29.455 \| good	0.13 \| good	2.976 \| good	0.13 \| good
2026-09-30T07:00:00.000Z	33 \| good	5.618 \| good	10.754 \| good	28.617 \| good	0.153 \| good	3.408 \| good	0.131 \| good
2026-09-30T08:00:00.000Z	33 \| good	5.861 \| good	9.932 \| good	27.929 \| good	0.164 \| good	3.547 \| good	0.13 \| good
2026-09-30T09:00:00.000Z	33 \| good	5.566 \| good	8.996 \| good	28.282 \| good	0.149 \| good	3.289 \| good	0.126 \| good
2026-09-30T10:00:00.000Z	28 \| good	5.289 \| good	8.073 \| good	29.6 \| good	0.154 \| good	3.182 \| good	0.125 \| good
2026-09-30T11:00:00.000Z	30 \| good	4.79 \| good	7.196 \| good	31.556 \| good	0.152 \| good	3.039 \| good	0.123 \| good
2026-09-30T12:00:00.000Z	31 \| good	4.71 \| good	6.669 \| good	32.564 \| good	0.134 \| good	2.636 \| good	0.121 \| good
2026-09-30T13:00:00.000Z	31 \| good	4.807 \| good	6.375 \| good	33.128 \| good	0.138 \| good	2.2 \| good	0.119 \| good
2026-09-30T14:00:00.000Z	31 \| good	5.011 \| good	6.453 \| good	33.33 \| good	0.131 \| good	2.343 \| good	0.118 \| good
2026-09-30T15:00:00.000Z	31 \| good	5.387 \| good	6.974 \| good	33.186 \| good	0.112 \| good	2.657 \| good	0.116 \| good
2026-09-30T16:00:00.000Z	29 \| good	5.476 \| good	7.224 \| good	31.319 \| good	0.104 \| good	3.007 \| good	0.114 \| good
2026-09-30T17:00:00.000Z	28 \| good	5.057 \| good	7.598 \| good	29.504 \| good	0.115 \| good	3.445 \| good	0.117 \| good
2026-09-30T18:00:00.000Z	27 \| good	4.773 \| good	8.398 \| good	28 \| good	0.127 \| good	3.992 \| good	0.119 \| good
2026-09-30T19:00:00.000Z	27 \| good	4.585 \| good	7.702 \| good	27.727 \| good	0.126 \| good	4.644 \| good	0.121 \| good
2026-09-30T20:00:00.000Z	27 \| good	5.006 \| good	6.993 \| good	26.896 \| good	0.141 \| good	4.657 \| good	0.125 \| good
2026-09-30T21:00:00.000Z	27 \| good	5.014 \| good	7.395 \| good	23.079 \| good	0.177 \| good	5.511 \| good	0.127 \| good
2026-09-30T22:00:00.000Z	33 \| good	6.108 \| good	8.826 \| good	20.434 \| good	0.228 \| good	6.63 \| good	0.128 \| good

Colchester

Get reliable air quality data to drive your business

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

0.31ppm

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

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

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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 01:00:00 on 2026-09-28.

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 09:00:00 on 2026-09-28.

What is the AQI in Colchester, Essex right now?

As of now, the AQI in Colchester, Essex is 26, indicating Good conditions.

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

Colchester, Essex air has the highest levels of O3.

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 4.454 μg/m³.

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

The PM₁₀ concentration in Colchester, Essex is 10.392 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 0.312 ppm.

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

Currently, Colchester, Essex has a sulfur dioxide (SO₂) concentration of 0.479 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 27.978 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 2.721 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-26T23:00:00.000Z	30 \| good	5.047 \| good	9.47 \| good	32.038 \| good	0.443 \| good	4.713 \| good	0.297 \| good
2026-09-27T00:00:00.000Z	29 \| good	5.058 \| good	12.582 \| good	31.399 \| good	0.477 \| good	5.071 \| good	0.226 \| good
2026-09-27T01:00:00.000Z	26 \| good	4.198 \| good	11.492 \| good	27.506 \| good	0.558 \| good	5.376 \| good	0.229 \| good
2026-09-27T02:00:00.000Z	27 \| good	4.676 \| good	11.262 \| good	25.847 \| good	0.432 \| good	5.443 \| good	0.212 \| good
2026-09-27T03:00:00.000Z	27 \| good	4.803 \| good	10.913 \| good	22.468 \| good	0.604 \| good	3.427 \| good	0.217 \| good
2026-09-27T04:00:00.000Z	27 \| good	4.552 \| good	10.578 \| good	23.719 \| good	0.439 \| good	2.464 \| good	0.205 \| good
2026-09-27T05:00:00.000Z	22 \| good	4.302 \| good	9.533 \| good	22.459 \| good	0.498 \| good	4.272 \| good	0.035 \| good
2026-09-27T06:00:00.000Z	27 \| good	4.633 \| good	8.202 \| good	23.326 \| good	0.469 \| good	4.405 \| good	0.033 \| good
2026-09-27T07:00:00.000Z	22 \| good	4.433 \| good	11.787 \| good	17.125 \| good	0.523 \| good	3.601 \| good	0.034 \| good
2026-09-27T08:00:00.000Z	33 \| good	6.142 \| good	13.177 \| good	21.574 \| good	0.388 \| good	10.579 \| good	0.035 \| good
2026-09-27T09:00:00.000Z	56 \| moderate	11.791 \| good	15.059 \| good	26.437 \| good	0.462 \| good	6.838 \| good	0.034 \| good
2026-09-27T10:00:00.000Z	38 \| good	7.154 \| good	27.856 \| good	23.543 \| good	0.498 \| good	9.09 \| good	0.041 \| good
2026-09-27T11:00:00.000Z	49 \| good	9.075 \| good	15.325 \| good	26.669 \| good	0.68 \| good	6.358 \| good	0.033 \| good
2026-09-27T12:00:00.000Z	44 \| good	8.453 \| good	11.531 \| good	17.156 \| good	0.769 \| good	5.683 \| good	0.032 \| good
2026-09-27T13:00:00.000Z	33 \| good	5.911 \| good	16.781 \| good	34.45 \| good	0.613 \| good	5.614 \| good	0.03 \| good
2026-09-27T14:00:00.000Z	33 \| good	6.318 \| good	12.785 \| good	33.987 \| good	0.613 \| good	4.945 \| good	0.03 \| good
2026-09-27T15:00:00.000Z	38 \| good	7.209 \| good	15.086 \| good	39.705 \| good	0.613 \| good	2.857 \| good	0.032 \| good
2026-09-27T16:00:00.000Z	38 \| good	7.055 \| good	12.002 \| good	38.531 \| good	0.544 \| good	2.18 \| good	0.031 \| good
2026-09-27T17:00:00.000Z	38 \| good	7.356 \| good	10.495 \| good	41.426 \| good	0.696 \| good	2.593 \| good	0.032 \| good
2026-09-27T18:00:00.000Z	38 \| good	6.836 \| good	11.984 \| good	38.326 \| good	0.56 \| good	3.159 \| good	0.038 \| good
2026-09-27T19:00:00.000Z	44 \| good	7.632 \| good	13.198 \| good	42.166 \| good	0.485 \| good	3.474 \| good	0.044 \| good
2026-09-27T20:00:00.000Z	44 \| good	7.949 \| good	12.939 \| good	41.182 \| good	0.513 \| good	3.799 \| good	0.05 \| good
2026-09-27T21:00:00.000Z	38 \| good	7.318 \| good	13.776 \| good	39.521 \| good	0.433 \| good	3.426 \| good	0.061 \| good
2026-09-27T22:00:00.000Z	38 \| good	7.342 \| good	11.663 \| good	37.506 \| good	0.433 \| good	3.677 \| good	0.051 \| good
2026-09-27T23:00:00.000Z	44 \| good	7.875 \| good	13.425 \| good	35.467 \| good	0.434 \| good	3.471 \| good	0.056 \| good
2026-09-28T00:00:00.000Z	44 \| good	7.797 \| good	14.473 \| good	34.417 \| good	0.487 \| good	3.468 \| good	0.255 \| good
2026-09-28T01:00:00.000Z	44 \| good	7.852 \| good	12.903 \| good	32.252 \| good	0.569 \| good	2.863 \| good	0.18 \| good
2026-09-28T02:00:00.000Z	38 \| good	7.158 \| good	12.625 \| good	31.14 \| good	0.438 \| good	3.661 \| good	0.226 \| good
2026-09-28T03:00:00.000Z	38 \| good	7.112 \| good	12.968 \| good	28.868 \| good	0.573 \| good	4.397 \| good	0.214 \| good
2026-09-28T04:00:00.000Z	38 \| good	7.284 \| good	13.059 \| good	27.651 \| good	0.568 \| good	3.887 \| good	0.218 \| good
2026-09-28T05:00:00.000Z	33 \| good	6.463 \| good	11.731 \| good	25.823 \| good	0.463 \| good	2.26 \| good	0.197 \| good
2026-09-28T06:00:00.000Z	38 \| good	6.642 \| good	11.388 \| good	24.307 \| good	0.46 \| good	2.247 \| good	0.21 \| good
2026-09-28T07:00:00.000Z	38 \| good	6.74 \| good	11.919 \| good	22.709 \| good	0.586 \| good	4.778 \| good	0.279 \| good
2026-09-28T08:00:00.000Z	33 \| good	6.137 \| good	12.242 \| good	22.567 \| good	0.436 \| good	3.254 \| good	0.264 \| good
2026-09-28T09:00:00.000Z	38 \| good	6.621 \| good	11.656 \| good	19.654 \| good	0.56 \| good	5.711 \| good	0.235 \| good
2026-09-28T10:00:00.000Z	38 \| good	6.612 \| good	13.202 \| good	21.527 \| good	0.482 \| good	4.599 \| good	0.221 \| good
2026-09-28T11:00:00.000Z	33 \| good	6.309 \| good	12.703 \| good	18.569 \| good	0.608 \| good	4.719 \| good	0.212 \| good
2026-09-28T12:00:00.000Z	33 \| good	6.36 \| good	12.036 \| good	20.475 \| good	0.734 \| good	4.395 \| good	0.188 \| good
2026-09-28T13:00:00.000Z	27 \| good	5.46 \| good	10.749 \| good	22.879 \| good	0.56 \| good	3.886 \| good	0.165 \| good
2026-09-28T14:00:00.000Z	33 \| good	5.722 \| good	11.687 \| good	24.079 \| good	0.545 \| good	3.676 \| good	0.162 \| good
2026-09-28T15:00:00.000Z	27 \| good	5.205 \| good	11.28 \| good	24.587 \| good	0.432 \| good	2.989 \| good	0.156 \| good
2026-09-28T16:00:00.000Z	27 \| good	5.013 \| good	8.939 \| good	28.585 \| good	0.584 \| good	2.762 \| good	0.153 \| good
2026-09-28T17:00:00.000Z	29 \| good	4.312 \| good	9.856 \| good	30.604 \| good	0.629 \| good	3.25 \| good	0.168 \| good
2026-09-28T18:00:00.000Z	30 \| good	4.769 \| good	9.084 \| good	31.949 \| good	0.529 \| good	2.705 \| good	0.216 \| good
2026-09-28T19:00:00.000Z	30 \| good	4.069 \| good	11.769 \| good	32.217 \| good	0.48 \| good	3.673 \| good	0.253 \| good
2026-09-28T20:00:00.000Z	30 \| good	4.398 \| good	10.349 \| good	31.864 \| good	0.479 \| good	3.394 \| good	0.324 \| good
2026-09-28T21:00:00.000Z	26 \| good	4.454 \| good	10.392 \| good	27.978 \| good	0.479 \| good	2.721 \| good	0.312 \| good
2026-09-28T22:00:00.000Z	28 \| good	4.38 \| good	10.513 \| good	30.042 \| good	0.511 \| good	5.051 \| good	0.352 \| good
2026-09-28T22:00:00.000Z	26 \| good	4.454 \| good	10.392 \| good	27.978 \| good	0.479 \| good	2.721 \| good	0.312 \| good
2026-09-28T23:00:00.000Z	28 \| good	2.683 \| good	5.562 \| good	30.144 \| good	0.139 \| good	3.418 \| good	0.125 \| good
2026-09-29T00:00:00.000Z	28 \| good	2.581 \| good	4.9 \| good	30.388 \| good	0.114 \| good	3.342 \| good	0.125 \| good
2026-09-29T01:00:00.000Z	29 \| good	2.452 \| good	4.783 \| good	30.52 \| good	0.098 \| good	3.039 \| good	0.123 \| good
2026-09-29T02:00:00.000Z	28 \| good	2.432 \| good	4.631 \| good	29.577 \| good	0.094 \| good	2.912 \| good	0.122 \| good
2026-09-29T03:00:00.000Z	27 \| good	2.476 \| good	4.933 \| good	28.692 \| good	0.097 \| good	3.074 \| good	0.123 \| good
2026-09-29T04:00:00.000Z	25 \| good	2.656 \| good	5.014 \| good	27.311 \| good	0.113 \| good	3.584 \| good	0.125 \| good
2026-09-29T05:00:00.000Z	23 \| good	3.085 \| good	5.704 \| good	24.587 \| good	0.131 \| good	4.521 \| good	0.131 \| good
2026-09-29T06:00:00.000Z	22 \| good	3.61 \| good	6.479 \| good	21.769 \| good	0.163 \| good	5.821 \| good	0.135 \| good
2026-09-29T07:00:00.000Z	22 \| good	4.198 \| good	7.427 \| good	20.772 \| good	0.21 \| good	6.739 \| good	0.139 \| good
2026-09-29T08:00:00.000Z	27 \| good	4.898 \| good	7.728 \| good	21.567 \| good	0.205 \| good	5.924 \| good	0.14 \| good
2026-09-29T09:00:00.000Z	33 \| good	6.269 \| good	8.8 \| good	25.267 \| good	0.222 \| good	5.555 \| good	0.144 \| good
2026-09-29T10:00:00.000Z	38 \| good	7.295 \| good	11.357 \| good	29.199 \| good	0.272 \| good	4.742 \| good	0.145 \| good
2026-09-29T11:00:00.000Z	52 \| moderate	9.905 \| good	13.477 \| good	31.758 \| good	0.452 \| good	4.337 \| good	0.155 \| good
2026-09-29T12:00:00.000Z	54 \| moderate	11.016 \| good	14.702 \| good	31.823 \| good	0.565 \| good	5.161 \| good	0.16 \| good
2026-09-29T13:00:00.000Z	60 \| moderate	13.949 \| fine	16.53 \| good	32.998 \| good	0.574 \| good	5.017 \| good	0.159 \| good
2026-09-29T14:00:00.000Z	64 \| moderate	16.268 \| fine	19.337 \| good	35.094 \| good	0.537 \| good	5.094 \| good	0.165 \| good
2026-09-29T15:00:00.000Z	67 \| moderate	17.996 \| fine	21.929 \| good	36.264 \| good	0.535 \| good	5.868 \| good	0.169 \| good
2026-09-29T16:00:00.000Z	69 \| moderate	18.995 \| fine	24.178 \| good	35.557 \| good	0.513 \| good	7.305 \| good	0.175 \| good
2026-09-29T17:00:00.000Z	71 \| moderate	19.889 \| fine	23.272 \| good	32.361 \| good	0.497 \| good	10.025 \| good	0.175 \| good
2026-09-29T18:00:00.000Z	73 \| moderate	21.064 \| fine	23.643 \| good	30.549 \| good	0.538 \| good	11.606 \| good	0.18 \| good
2026-09-29T19:00:00.000Z	73 \| moderate	20.578 \| fine	24.619 \| good	29.418 \| good	0.483 \| good	10.92 \| good	0.183 \| good
2026-09-29T20:00:00.000Z	67 \| moderate	17.946 \| fine	21.754 \| good	28.651 \| good	0.662 \| good	7.472 \| good	0.183 \| good
2026-09-29T21:00:00.000Z	60 \| moderate	13.512 \| fine	18.559 \| good	28.915 \| good	0.726 \| good	6.393 \| good	0.175 \| good
2026-09-29T22:00:00.000Z	52 \| moderate	9.537 \| good	14.695 \| good	30.126 \| good	0.56 \| good	6.345 \| good	0.178 \| good
2026-09-29T23:00:00.000Z	44 \| good	7.818 \| good	13.068 \| good	28.167 \| good	0.291 \| good	5.994 \| good	0.158 \| good
2026-09-30T00:00:00.000Z	38 \| good	7.17 \| good	11.58 \| good	28.038 \| good	0.243 \| good	5.705 \| good	0.143 \| good
2026-09-30T01:00:00.000Z	33 \| good	5.997 \| good	10.597 \| good	29.776 \| good	0.181 \| good	5.27 \| good	0.133 \| good
2026-09-30T02:00:00.000Z	28 \| good	5.08 \| good	10.578 \| good	30.087 \| good	0.156 \| good	4.308 \| good	0.131 \| good
2026-09-30T03:00:00.000Z	28 \| good	5.024 \| good	10.854 \| good	29.589 \| good	0.142 \| good	3.609 \| good	0.13 \| good
2026-09-30T04:00:00.000Z	27 \| good	5.108 \| good	10.613 \| good	29.123 \| good	0.133 \| good	3.292 \| good	0.13 \| good
2026-09-30T05:00:00.000Z	28 \| good	5.147 \| good	10.469 \| good	30.071 \| good	0.128 \| good	3.178 \| good	0.13 \| good
2026-09-30T06:00:00.000Z	27 \| good	5.083 \| good	11.17 \| good	29.455 \| good	0.13 \| good	2.976 \| good	0.13 \| good
2026-09-30T07:00:00.000Z	33 \| good	5.618 \| good	10.754 \| good	28.617 \| good	0.153 \| good	3.408 \| good	0.131 \| good
2026-09-30T08:00:00.000Z	33 \| good	5.861 \| good	9.932 \| good	27.929 \| good	0.164 \| good	3.547 \| good	0.13 \| good
2026-09-30T09:00:00.000Z	33 \| good	5.566 \| good	8.996 \| good	28.282 \| good	0.149 \| good	3.289 \| good	0.126 \| good
2026-09-30T10:00:00.000Z	28 \| good	5.289 \| good	8.073 \| good	29.6 \| good	0.154 \| good	3.182 \| good	0.125 \| good
2026-09-30T11:00:00.000Z	30 \| good	4.79 \| good	7.196 \| good	31.556 \| good	0.152 \| good	3.039 \| good	0.123 \| good
2026-09-30T12:00:00.000Z	31 \| good	4.71 \| good	6.669 \| good	32.564 \| good	0.134 \| good	2.636 \| good	0.121 \| good
2026-09-30T13:00:00.000Z	31 \| good	4.807 \| good	6.375 \| good	33.128 \| good	0.138 \| good	2.2 \| good	0.119 \| good
2026-09-30T14:00:00.000Z	31 \| good	5.011 \| good	6.453 \| good	33.33 \| good	0.131 \| good	2.343 \| good	0.118 \| good
2026-09-30T15:00:00.000Z	31 \| good	5.387 \| good	6.974 \| good	33.186 \| good	0.112 \| good	2.657 \| good	0.116 \| good
2026-09-30T16:00:00.000Z	29 \| good	5.476 \| good	7.224 \| good	31.319 \| good	0.104 \| good	3.007 \| good	0.114 \| good
2026-09-30T17:00:00.000Z	28 \| good	5.057 \| good	7.598 \| good	29.504 \| good	0.115 \| good	3.445 \| good	0.117 \| good
2026-09-30T18:00:00.000Z	27 \| good	4.773 \| good	8.398 \| good	28 \| good	0.127 \| good	3.992 \| good	0.119 \| good
2026-09-30T19:00:00.000Z	27 \| good	4.585 \| good	7.702 \| good	27.727 \| good	0.126 \| good	4.644 \| good	0.121 \| good
2026-09-30T20:00:00.000Z	27 \| good	5.006 \| good	6.993 \| good	26.896 \| good	0.141 \| good	4.657 \| good	0.125 \| good
2026-09-30T21:00:00.000Z	27 \| good	5.014 \| good	7.395 \| good	23.079 \| good	0.177 \| good	5.511 \| good	0.127 \| good
2026-09-30T22:00:00.000Z	33 \| good	6.108 \| good	8.826 \| good	20.434 \| good	0.228 \| good	6.63 \| good	0.128 \| 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)

Track live Colchester, Essex air quality forecast and history

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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

Frequently asked questions

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

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

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?