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

The PM10 concentration in Colchester, Essex is 5.666 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 0.51 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 25.64 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 3.629 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 2.683 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)

2.68 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

5.67 μg/m³

155

255

425

605+

Ozone (O₃)

25.64 ppb

201

201+

Sulfur Dioxide (SO₂)

0.51 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.63 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.27 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
2026-09-02T23:00:00.000Z	27 \| good	4.015 \| good	8.174 \| good	28.919 \| good	0.51 \| good	4.297 \| good	0.205 \| good
2026-09-03T00:00:00.000Z	26 \| good	4.014 \| good	7.926 \| good	28.339 \| good	0.55 \| good	3.238 \| good	0.204 \| good
2026-09-03T01:00:00.000Z	22 \| good	4.012 \| good	9.468 \| good	23.157 \| good	0.551 \| good	3.091 \| good	0.186 \| good
2026-09-03T02:00:00.000Z	22 \| good	3.659 \| good	7.548 \| good	21.55 \| good	0.842 \| good	2.496 \| good	0.181 \| good
2026-09-03T03:00:00.000Z	22 \| good	3.864 \| good	7.371 \| good	21.866 \| good	0.551 \| good	1.562 \| good	0.191 \| good
2026-09-03T04:00:00.000Z	19 \| good	3.425 \| good	7.426 \| good	19.942 \| good	0.495 \| good	1.433 \| good	0.186 \| good
2026-09-03T05:00:00.000Z	19 \| good	3.427 \| good	7.242 \| good	20.447 \| good	0.578 \| good	1.432 \| good	0.195 \| good
2026-09-03T06:00:00.000Z	18 \| good	3.458 \| good	6.825 \| good	19.154 \| good	0.546 \| good	1.574 \| good	0.197 \| good
2026-09-03T07:00:00.000Z	16 \| good	3.24 \| good	6.212 \| good	16.225 \| good	0.514 \| good	2.657 \| good	0.289 \| good
2026-09-03T08:00:00.000Z	16 \| good	3 \| good	7.864 \| good	15.66 \| good	0.569 \| good	2.835 \| good	0.345 \| good
2026-09-03T09:00:00.000Z	18 \| good	3.16 \| good	7.882 \| good	19.025 \| good	0.515 \| good	2.878 \| good	0.271 \| good
2026-09-03T10:00:00.000Z	18 \| good	2.87 \| good	7.435 \| good	18.839 \| good	0.626 \| good	3.437 \| good	0.308 \| good
2026-09-03T11:00:00.000Z	18 \| good	3.016 \| good	6.532 \| good	19.452 \| good	0.515 \| good	3.586 \| good	0.296 \| good
2026-09-03T12:00:00.000Z	19 \| good	2.853 \| good	8.68 \| good	21.002 \| good	0.57 \| good	2.837 \| good	0.244 \| good
2026-09-03T13:00:00.000Z	19 \| good	2.958 \| good	6.205 \| good	21.129 \| good	0.736 \| good	2.61 \| good	0.195 \| good
2026-09-03T14:00:00.000Z	24 \| good	3.059 \| good	5.758 \| good	25.803 \| good	1.789 \| good	4.889 \| good	0.205 \| good
2026-09-03T15:00:00.000Z	26 \| good	2.98 \| good	6.966 \| good	27.643 \| good	0.695 \| good	1.672 \| good	0.204 \| good
2026-09-03T16:00:00.000Z	21 \| good	2.953 \| good	6.792 \| good	23.43 \| good	0.571 \| good	2.376 \| good	0.2 \| good
2026-09-03T17:00:00.000Z	22 \| good	2.788 \| good	6.199 \| good	24.198 \| good	0.626 \| good	2.391 \| good	0.193 \| good
2026-09-03T18:00:00.000Z	28 \| good	3 \| good	6.765 \| good	30.014 \| good	0.454 \| good	2.907 \| good	0.325 \| good
2026-09-03T19:00:00.000Z	22 \| good	3 \| good	6.144 \| good	24.309 \| good	0.485 \| good	2.819 \| good	0.393 \| good
2026-09-03T20:00:00.000Z	23 \| good	2.851 \| good	4.906 \| good	25.14 \| good	0.403 \| good	3.565 \| good	0.337 \| good
2026-09-03T21:00:00.000Z	22 \| good	2.994 \| good	6.905 \| good	23.728 \| good	0.692 \| good	4.449 \| good	0.332 \| good
2026-09-03T22:00:00.000Z	21 \| good	2.952 \| good	6.487 \| good	23.396 \| good	0.515 \| good	4.282 \| good	0.348 \| good
2026-09-03T23:00:00.000Z	18 \| good	2.703 \| good	6.455 \| good	18.58 \| good	0.46 \| good	3.99 \| good	0.34 \| good
2026-09-04T00:00:00.000Z	20 \| good	2.854 \| good	7.032 \| good	22.41 \| good	0.546 \| good	3.29 \| good	0.37 \| good
2026-09-04T01:00:00.000Z	22 \| good	2.965 \| good	6.911 \| good	24.28 \| good	0.494 \| good	2.864 \| good	0.296 \| good
2026-09-04T02:00:00.000Z	19 \| good	2.597 \| good	6.362 \| good	20.431 \| good	0.494 \| good	1.736 \| good	0.288 \| good
2026-09-04T03:00:00.000Z	18 \| good	2.976 \| good	6.515 \| good	19.397 \| good	0.434 \| good	1.411 \| good	0.314 \| good
2026-09-04T04:00:00.000Z	16 \| good	2.53 \| good	6.507 \| good	16.953 \| good	0.55 \| good	1.374 \| good	0.235 \| good
2026-09-04T05:00:00.000Z	17 \| good	2.766 \| good	7.234 \| good	17.8 \| good	0.691 \| good	1.828 \| good	0.247 \| good
2026-09-04T06:00:00.000Z	18 \| good	2.874 \| good	5.08 \| good	18.542 \| good	0.546 \| good	2.024 \| good	0.293 \| good
2026-09-04T07:00:00.000Z	16 \| good	2.303 \| good	5.4 \| good	16.843 \| good	0.486 \| good	1.503 \| good	0.219 \| good
2026-09-04T08:00:00.000Z	17 \| good	2.728 \| good	4.001 \| good	18.214 \| good	0.449 \| good	2.5 \| good	0.312 \| good
2026-09-04T09:00:00.000Z	13 \| good	2.488 \| good	3.618 \| good	14.418 \| good	0.563 \| good	3.405 \| good	0.317 \| good
2026-09-04T10:00:00.000Z	16 \| good	2.201 \| good	5.309 \| good	16.763 \| good	0.449 \| good	2.299 \| good	0.283 \| good
2026-09-04T11:00:00.000Z	18 \| good	1.962 \| good	5.547 \| good	18.684 \| good	0.45 \| good	3.051 \| good	0.298 \| good
2026-09-04T12:00:00.000Z	16 \| good	2.363 \| good	5.978 \| good	16.812 \| good	0.643 \| good	2.713 \| good	0.247 \| good
2026-09-04T13:00:00.000Z	31 \| good	1.9 \| good	3.477 \| good	34.406 \| good	0.078 \| good	1.198 \| good	0.119 \| good
2026-09-04T14:00:00.000Z	20 \| good	2.449 \| good	5.765 \| good	21.645 \| good	0.507 \| good	4.248 \| good	0.233 \| good
2026-09-04T15:00:00.000Z	24 \| good	2.407 \| good	5.756 \| good	25.793 \| good	0.708 \| good	3.738 \| good	0.228 \| good
2026-09-04T16:00:00.000Z	27 \| good	2.411 \| good	5.64 \| good	29.074 \| good	0.564 \| good	1.995 \| good	0.21 \| good
2026-09-04T17:00:00.000Z	29 \| good	2.555 \| good	6.37 \| good	30.547 \| good	0.509 \| good	2.283 \| good	0.245 \| good
2026-09-04T18:00:00.000Z	31 \| good	2.563 \| good	5.801 \| good	32.553 \| good	0.555 \| good	3.275 \| good	0.242 \| good
2026-09-04T19:00:00.000Z	29 \| good	2.479 \| good	5.951 \| good	30.616 \| good	0.598 \| good	2.297 \| good	0.229 \| good
2026-09-04T20:00:00.000Z	28 \| good	2.634 \| good	5.343 \| good	30.242 \| good	0.566 \| good	3.233 \| good	0.256 \| good
2026-09-04T21:00:00.000Z	24 \| good	2.683 \| good	5.666 \| good	25.64 \| good	0.51 \| good	3.629 \| good	0.271 \| good
2026-09-04T22:00:00.000Z	20 \| good	2.59 \| good	5.978 \| good	22.076 \| good	0.509 \| good	4.332 \| good	0.229 \| good
2026-09-04T22:00:00.000Z	24 \| good	2.683 \| good	5.666 \| good	25.64 \| good	0.51 \| good	3.629 \| good	0.271 \| good
2026-09-04T23:00:00.000Z	24 \| good	4.482 \| good	11.166 \| good	25.934 \| good	0.216 \| good	3.459 \| good	0.13 \| good
2026-09-05T00:00:00.000Z	24 \| good	4.449 \| good	11.295 \| good	25.768 \| good	0.195 \| good	3.004 \| good	0.13 \| good
2026-09-05T01:00:00.000Z	23 \| good	4.329 \| good	11.06 \| good	25.376 \| good	0.137 \| good	2.521 \| good	0.13 \| good
2026-09-05T02:00:00.000Z	23 \| good	4.192 \| good	10.622 \| good	24.733 \| good	0.12 \| good	2.1 \| good	0.129 \| good
2026-09-05T03:00:00.000Z	23 \| good	4.07 \| good	10.176 \| good	24.683 \| good	0.104 \| good	1.825 \| good	0.128 \| good
2026-09-05T04:00:00.000Z	22 \| good	4 \| good	9.902 \| good	24.482 \| good	0.091 \| good	1.636 \| good	0.128 \| good
2026-09-05T05:00:00.000Z	22 \| good	4.003 \| good	9.782 \| good	24.061 \| good	0.091 \| good	1.548 \| good	0.128 \| good
2026-09-05T06:00:00.000Z	22 \| good	4.038 \| good	9.03 \| good	23.721 \| good	0.092 \| good	1.503 \| good	0.128 \| good
2026-09-05T07:00:00.000Z	22 \| good	3.865 \| good	8.504 \| good	23.941 \| good	0.086 \| good	1.372 \| good	0.13 \| good
2026-09-05T08:00:00.000Z	24 \| good	3.464 \| good	7.992 \| good	25.55 \| good	0.082 \| good	1.133 \| good	0.13 \| good
2026-09-05T09:00:00.000Z	26 \| good	3.363 \| good	7.69 \| good	27.991 \| good	0.073 \| good	0.876 \| good	0.128 \| good
2026-09-05T10:00:00.000Z	31 \| good	3.169 \| good	7.374 \| good	32.713 \| good	0.071 \| good	0.677 \| good	0.129 \| good
2026-09-05T11:00:00.000Z	32 \| good	2.917 \| good	7.316 \| good	35.278 \| good	0.066 \| good	0.634 \| good	0.128 \| good
2026-09-05T12:00:00.000Z	34 \| good	2.913 \| good	7.178 \| good	36.816 \| good	0.063 \| good	0.622 \| good	0.127 \| good
2026-09-05T13:00:00.000Z	34 \| good	3.09 \| good	6.99 \| good	37.222 \| good	0.063 \| good	0.608 \| good	0.127 \| good
2026-09-05T14:00:00.000Z	36 \| good	3.363 \| good	7.11 \| good	38.929 \| good	0.061 \| good	0.617 \| good	0.127 \| good
2026-09-05T15:00:00.000Z	37 \| good	3.533 \| good	7.02 \| good	40.061 \| good	0.059 \| good	0.64 \| good	0.128 \| good
2026-09-05T16:00:00.000Z	37 \| good	3.692 \| good	6.944 \| good	40.396 \| good	0.059 \| good	0.764 \| good	0.128 \| good
2026-09-05T17:00:00.000Z	37 \| good	3.768 \| good	7.378 \| good	39.529 \| good	0.076 \| good	1.057 \| good	0.13 \| good
2026-09-05T18:00:00.000Z	34 \| good	3.993 \| good	8.188 \| good	36.928 \| good	0.126 \| good	1.782 \| good	0.132 \| good
2026-09-05T19:00:00.000Z	30 \| good	4.15 \| good	8.607 \| good	32.172 \| good	0.143 \| good	3.097 \| good	0.134 \| good
2026-09-05T20:00:00.000Z	27 \| good	4.901 \| good	8.925 \| good	27.685 \| good	0.179 \| good	4.182 \| good	0.136 \| good
2026-09-05T21:00:00.000Z	27 \| good	5.265 \| good	9.622 \| good	24.321 \| good	0.207 \| good	5.082 \| good	0.138 \| good
2026-09-05T22:00:00.000Z	27 \| good	5.398 \| good	10.123 \| good	21.553 \| good	0.231 \| good	5.746 \| good	0.139 \| good
2026-09-05T23:00:00.000Z	33 \| good	5.877 \| good	10.688 \| good	18.705 \| good	0.227 \| good	6.278 \| good	0.141 \| good
2026-09-06T00:00:00.000Z	33 \| good	6.34 \| good	11.386 \| good	16.22 \| good	0.207 \| good	6.791 \| good	0.142 \| good
2026-09-06T01:00:00.000Z	38 \| good	6.73 \| good	11.991 \| good	14.887 \| good	0.209 \| good	7.217 \| good	0.142 \| good
2026-09-06T02:00:00.000Z	38 \| good	7.174 \| good	12.83 \| good	14.077 \| good	0.212 \| good	6.923 \| good	0.141 \| good
2026-09-06T03:00:00.000Z	44 \| good	7.804 \| good	13.945 \| good	13.119 \| good	0.222 \| good	5.794 \| good	0.141 \| good
2026-09-06T04:00:00.000Z	44 \| good	8.321 \| good	15.193 \| good	13.14 \| good	0.218 \| good	5.629 \| good	0.141 \| good
2026-09-06T05:00:00.000Z	49 \| good	9.262 \| good	16.275 \| good	12.448 \| good	0.195 \| good	6.027 \| good	0.145 \| good
2026-09-06T06:00:00.000Z	52 \| moderate	9.743 \| good	17.056 \| good	12.15 \| good	0.23 \| good	7.327 \| good	0.15 \| good
2026-09-06T07:00:00.000Z	52 \| moderate	10.351 \| good	16.644 \| good	13.131 \| good	0.283 \| good	6.675 \| good	0.153 \| good
2026-09-06T08:00:00.000Z	49 \| good	9.451 \| good	14.626 \| good	25.356 \| good	0.355 \| good	5.186 \| good	0.149 \| good
2026-09-06T09:00:00.000Z	33 \| good	6.22 \| good	12.081 \| good	30.295 \| good	0.253 \| good	3.026 \| good	0.136 \| good
2026-09-06T10:00:00.000Z	31 \| good	5.281 \| good	11.478 \| good	32.896 \| good	0.173 \| good	2.194 \| good	0.127 \| good
2026-09-06T11:00:00.000Z	32 \| good	4.661 \| good	10.11 \| good	35.18 \| good	0.149 \| good	2.596 \| good	0.125 \| good
2026-09-06T12:00:00.000Z	36 \| good	4.621 \| good	9.449 \| good	39.201 \| good	0.141 \| good	2.149 \| good	0.123 \| good
2026-09-06T13:00:00.000Z	40 \| good	4.783 \| good	9.449 \| good	42.66 \| good	0.14 \| good	1.374 \| good	0.123 \| good
2026-09-06T14:00:00.000Z	42 \| good	4.542 \| good	10.044 \| good	45.485 \| good	0.135 \| good	1.044 \| good	0.123 \| good
2026-09-06T15:00:00.000Z	44 \| good	4.469 \| good	9.539 \| good	46.628 \| good	0.131 \| good	1.039 \| good	0.124 \| good
2026-09-06T16:00:00.000Z	43 \| good	4.438 \| good	9.14 \| good	45.865 \| good	0.138 \| good	1.354 \| good	0.124 \| good
2026-09-06T17:00:00.000Z	41 \| good	4.438 \| good	8.943 \| good	43.963 \| good	0.149 \| good	1.854 \| good	0.125 \| good
2026-09-06T18:00:00.000Z	39 \| good	4.346 \| good	8.578 \| good	41.542 \| good	0.159 \| good	2.64 \| good	0.126 \| good
2026-09-06T19:00:00.000Z	37 \| good	4.524 \| good	8.231 \| good	39.584 \| good	0.155 \| good	3.084 \| good	0.125 \| good
2026-09-06T20:00:00.000Z	37 \| good	4.493 \| good	8.602 \| good	39.726 \| good	0.139 \| good	3.138 \| good	0.125 \| good
2026-09-06T21:00:00.000Z	35 \| good	4.701 \| good	7.737 \| good	38.476 \| good	0.144 \| good	2.999 \| good	0.128 \| good
2026-09-06T22:00:00.000Z	33 \| good	4.758 \| good	7.181 \| good	36.401 \| good	0.143 \| good	3.054 \| good	0.129 \| good

Colchester

Get reliable air quality data to drive your business

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

0.27ppm

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

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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 06:00:00 on 2026-09-04.

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 2026-09-04.

What is the AQI in Colchester, Essex right now?

As of now, the AQI in Colchester, Essex is 24, 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 2.683 μg/m³.

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

The PM₁₀ concentration in Colchester, Essex is 5.666 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 0.271 ppm.

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

Currently, Colchester, Essex has a sulfur dioxide (SO₂) concentration of 0.51 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 25.64 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 3.629 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-02T23:00:00.000Z	27 \| good	4.015 \| good	8.174 \| good	28.919 \| good	0.51 \| good	4.297 \| good	0.205 \| good
2026-09-03T00:00:00.000Z	26 \| good	4.014 \| good	7.926 \| good	28.339 \| good	0.55 \| good	3.238 \| good	0.204 \| good
2026-09-03T01:00:00.000Z	22 \| good	4.012 \| good	9.468 \| good	23.157 \| good	0.551 \| good	3.091 \| good	0.186 \| good
2026-09-03T02:00:00.000Z	22 \| good	3.659 \| good	7.548 \| good	21.55 \| good	0.842 \| good	2.496 \| good	0.181 \| good
2026-09-03T03:00:00.000Z	22 \| good	3.864 \| good	7.371 \| good	21.866 \| good	0.551 \| good	1.562 \| good	0.191 \| good
2026-09-03T04:00:00.000Z	19 \| good	3.425 \| good	7.426 \| good	19.942 \| good	0.495 \| good	1.433 \| good	0.186 \| good
2026-09-03T05:00:00.000Z	19 \| good	3.427 \| good	7.242 \| good	20.447 \| good	0.578 \| good	1.432 \| good	0.195 \| good
2026-09-03T06:00:00.000Z	18 \| good	3.458 \| good	6.825 \| good	19.154 \| good	0.546 \| good	1.574 \| good	0.197 \| good
2026-09-03T07:00:00.000Z	16 \| good	3.24 \| good	6.212 \| good	16.225 \| good	0.514 \| good	2.657 \| good	0.289 \| good
2026-09-03T08:00:00.000Z	16 \| good	3 \| good	7.864 \| good	15.66 \| good	0.569 \| good	2.835 \| good	0.345 \| good
2026-09-03T09:00:00.000Z	18 \| good	3.16 \| good	7.882 \| good	19.025 \| good	0.515 \| good	2.878 \| good	0.271 \| good
2026-09-03T10:00:00.000Z	18 \| good	2.87 \| good	7.435 \| good	18.839 \| good	0.626 \| good	3.437 \| good	0.308 \| good
2026-09-03T11:00:00.000Z	18 \| good	3.016 \| good	6.532 \| good	19.452 \| good	0.515 \| good	3.586 \| good	0.296 \| good
2026-09-03T12:00:00.000Z	19 \| good	2.853 \| good	8.68 \| good	21.002 \| good	0.57 \| good	2.837 \| good	0.244 \| good
2026-09-03T13:00:00.000Z	19 \| good	2.958 \| good	6.205 \| good	21.129 \| good	0.736 \| good	2.61 \| good	0.195 \| good
2026-09-03T14:00:00.000Z	24 \| good	3.059 \| good	5.758 \| good	25.803 \| good	1.789 \| good	4.889 \| good	0.205 \| good
2026-09-03T15:00:00.000Z	26 \| good	2.98 \| good	6.966 \| good	27.643 \| good	0.695 \| good	1.672 \| good	0.204 \| good
2026-09-03T16:00:00.000Z	21 \| good	2.953 \| good	6.792 \| good	23.43 \| good	0.571 \| good	2.376 \| good	0.2 \| good
2026-09-03T17:00:00.000Z	22 \| good	2.788 \| good	6.199 \| good	24.198 \| good	0.626 \| good	2.391 \| good	0.193 \| good
2026-09-03T18:00:00.000Z	28 \| good	3 \| good	6.765 \| good	30.014 \| good	0.454 \| good	2.907 \| good	0.325 \| good
2026-09-03T19:00:00.000Z	22 \| good	3 \| good	6.144 \| good	24.309 \| good	0.485 \| good	2.819 \| good	0.393 \| good
2026-09-03T20:00:00.000Z	23 \| good	2.851 \| good	4.906 \| good	25.14 \| good	0.403 \| good	3.565 \| good	0.337 \| good
2026-09-03T21:00:00.000Z	22 \| good	2.994 \| good	6.905 \| good	23.728 \| good	0.692 \| good	4.449 \| good	0.332 \| good
2026-09-03T22:00:00.000Z	21 \| good	2.952 \| good	6.487 \| good	23.396 \| good	0.515 \| good	4.282 \| good	0.348 \| good
2026-09-03T23:00:00.000Z	18 \| good	2.703 \| good	6.455 \| good	18.58 \| good	0.46 \| good	3.99 \| good	0.34 \| good
2026-09-04T00:00:00.000Z	20 \| good	2.854 \| good	7.032 \| good	22.41 \| good	0.546 \| good	3.29 \| good	0.37 \| good
2026-09-04T01:00:00.000Z	22 \| good	2.965 \| good	6.911 \| good	24.28 \| good	0.494 \| good	2.864 \| good	0.296 \| good
2026-09-04T02:00:00.000Z	19 \| good	2.597 \| good	6.362 \| good	20.431 \| good	0.494 \| good	1.736 \| good	0.288 \| good
2026-09-04T03:00:00.000Z	18 \| good	2.976 \| good	6.515 \| good	19.397 \| good	0.434 \| good	1.411 \| good	0.314 \| good
2026-09-04T04:00:00.000Z	16 \| good	2.53 \| good	6.507 \| good	16.953 \| good	0.55 \| good	1.374 \| good	0.235 \| good
2026-09-04T05:00:00.000Z	17 \| good	2.766 \| good	7.234 \| good	17.8 \| good	0.691 \| good	1.828 \| good	0.247 \| good
2026-09-04T06:00:00.000Z	18 \| good	2.874 \| good	5.08 \| good	18.542 \| good	0.546 \| good	2.024 \| good	0.293 \| good
2026-09-04T07:00:00.000Z	16 \| good	2.303 \| good	5.4 \| good	16.843 \| good	0.486 \| good	1.503 \| good	0.219 \| good
2026-09-04T08:00:00.000Z	17 \| good	2.728 \| good	4.001 \| good	18.214 \| good	0.449 \| good	2.5 \| good	0.312 \| good
2026-09-04T09:00:00.000Z	13 \| good	2.488 \| good	3.618 \| good	14.418 \| good	0.563 \| good	3.405 \| good	0.317 \| good
2026-09-04T10:00:00.000Z	16 \| good	2.201 \| good	5.309 \| good	16.763 \| good	0.449 \| good	2.299 \| good	0.283 \| good
2026-09-04T11:00:00.000Z	18 \| good	1.962 \| good	5.547 \| good	18.684 \| good	0.45 \| good	3.051 \| good	0.298 \| good
2026-09-04T12:00:00.000Z	16 \| good	2.363 \| good	5.978 \| good	16.812 \| good	0.643 \| good	2.713 \| good	0.247 \| good
2026-09-04T13:00:00.000Z	31 \| good	1.9 \| good	3.477 \| good	34.406 \| good	0.078 \| good	1.198 \| good	0.119 \| good
2026-09-04T14:00:00.000Z	20 \| good	2.449 \| good	5.765 \| good	21.645 \| good	0.507 \| good	4.248 \| good	0.233 \| good
2026-09-04T15:00:00.000Z	24 \| good	2.407 \| good	5.756 \| good	25.793 \| good	0.708 \| good	3.738 \| good	0.228 \| good
2026-09-04T16:00:00.000Z	27 \| good	2.411 \| good	5.64 \| good	29.074 \| good	0.564 \| good	1.995 \| good	0.21 \| good
2026-09-04T17:00:00.000Z	29 \| good	2.555 \| good	6.37 \| good	30.547 \| good	0.509 \| good	2.283 \| good	0.245 \| good
2026-09-04T18:00:00.000Z	31 \| good	2.563 \| good	5.801 \| good	32.553 \| good	0.555 \| good	3.275 \| good	0.242 \| good
2026-09-04T19:00:00.000Z	29 \| good	2.479 \| good	5.951 \| good	30.616 \| good	0.598 \| good	2.297 \| good	0.229 \| good
2026-09-04T20:00:00.000Z	28 \| good	2.634 \| good	5.343 \| good	30.242 \| good	0.566 \| good	3.233 \| good	0.256 \| good
2026-09-04T21:00:00.000Z	24 \| good	2.683 \| good	5.666 \| good	25.64 \| good	0.51 \| good	3.629 \| good	0.271 \| good
2026-09-04T22:00:00.000Z	20 \| good	2.59 \| good	5.978 \| good	22.076 \| good	0.509 \| good	4.332 \| good	0.229 \| good
2026-09-04T22:00:00.000Z	24 \| good	2.683 \| good	5.666 \| good	25.64 \| good	0.51 \| good	3.629 \| good	0.271 \| good
2026-09-04T23:00:00.000Z	24 \| good	4.482 \| good	11.166 \| good	25.934 \| good	0.216 \| good	3.459 \| good	0.13 \| good
2026-09-05T00:00:00.000Z	24 \| good	4.449 \| good	11.295 \| good	25.768 \| good	0.195 \| good	3.004 \| good	0.13 \| good
2026-09-05T01:00:00.000Z	23 \| good	4.329 \| good	11.06 \| good	25.376 \| good	0.137 \| good	2.521 \| good	0.13 \| good
2026-09-05T02:00:00.000Z	23 \| good	4.192 \| good	10.622 \| good	24.733 \| good	0.12 \| good	2.1 \| good	0.129 \| good
2026-09-05T03:00:00.000Z	23 \| good	4.07 \| good	10.176 \| good	24.683 \| good	0.104 \| good	1.825 \| good	0.128 \| good
2026-09-05T04:00:00.000Z	22 \| good	4 \| good	9.902 \| good	24.482 \| good	0.091 \| good	1.636 \| good	0.128 \| good
2026-09-05T05:00:00.000Z	22 \| good	4.003 \| good	9.782 \| good	24.061 \| good	0.091 \| good	1.548 \| good	0.128 \| good
2026-09-05T06:00:00.000Z	22 \| good	4.038 \| good	9.03 \| good	23.721 \| good	0.092 \| good	1.503 \| good	0.128 \| good
2026-09-05T07:00:00.000Z	22 \| good	3.865 \| good	8.504 \| good	23.941 \| good	0.086 \| good	1.372 \| good	0.13 \| good
2026-09-05T08:00:00.000Z	24 \| good	3.464 \| good	7.992 \| good	25.55 \| good	0.082 \| good	1.133 \| good	0.13 \| good
2026-09-05T09:00:00.000Z	26 \| good	3.363 \| good	7.69 \| good	27.991 \| good	0.073 \| good	0.876 \| good	0.128 \| good
2026-09-05T10:00:00.000Z	31 \| good	3.169 \| good	7.374 \| good	32.713 \| good	0.071 \| good	0.677 \| good	0.129 \| good
2026-09-05T11:00:00.000Z	32 \| good	2.917 \| good	7.316 \| good	35.278 \| good	0.066 \| good	0.634 \| good	0.128 \| good
2026-09-05T12:00:00.000Z	34 \| good	2.913 \| good	7.178 \| good	36.816 \| good	0.063 \| good	0.622 \| good	0.127 \| good
2026-09-05T13:00:00.000Z	34 \| good	3.09 \| good	6.99 \| good	37.222 \| good	0.063 \| good	0.608 \| good	0.127 \| good
2026-09-05T14:00:00.000Z	36 \| good	3.363 \| good	7.11 \| good	38.929 \| good	0.061 \| good	0.617 \| good	0.127 \| good
2026-09-05T15:00:00.000Z	37 \| good	3.533 \| good	7.02 \| good	40.061 \| good	0.059 \| good	0.64 \| good	0.128 \| good
2026-09-05T16:00:00.000Z	37 \| good	3.692 \| good	6.944 \| good	40.396 \| good	0.059 \| good	0.764 \| good	0.128 \| good
2026-09-05T17:00:00.000Z	37 \| good	3.768 \| good	7.378 \| good	39.529 \| good	0.076 \| good	1.057 \| good	0.13 \| good
2026-09-05T18:00:00.000Z	34 \| good	3.993 \| good	8.188 \| good	36.928 \| good	0.126 \| good	1.782 \| good	0.132 \| good
2026-09-05T19:00:00.000Z	30 \| good	4.15 \| good	8.607 \| good	32.172 \| good	0.143 \| good	3.097 \| good	0.134 \| good
2026-09-05T20:00:00.000Z	27 \| good	4.901 \| good	8.925 \| good	27.685 \| good	0.179 \| good	4.182 \| good	0.136 \| good
2026-09-05T21:00:00.000Z	27 \| good	5.265 \| good	9.622 \| good	24.321 \| good	0.207 \| good	5.082 \| good	0.138 \| good
2026-09-05T22:00:00.000Z	27 \| good	5.398 \| good	10.123 \| good	21.553 \| good	0.231 \| good	5.746 \| good	0.139 \| good
2026-09-05T23:00:00.000Z	33 \| good	5.877 \| good	10.688 \| good	18.705 \| good	0.227 \| good	6.278 \| good	0.141 \| good
2026-09-06T00:00:00.000Z	33 \| good	6.34 \| good	11.386 \| good	16.22 \| good	0.207 \| good	6.791 \| good	0.142 \| good
2026-09-06T01:00:00.000Z	38 \| good	6.73 \| good	11.991 \| good	14.887 \| good	0.209 \| good	7.217 \| good	0.142 \| good
2026-09-06T02:00:00.000Z	38 \| good	7.174 \| good	12.83 \| good	14.077 \| good	0.212 \| good	6.923 \| good	0.141 \| good
2026-09-06T03:00:00.000Z	44 \| good	7.804 \| good	13.945 \| good	13.119 \| good	0.222 \| good	5.794 \| good	0.141 \| good
2026-09-06T04:00:00.000Z	44 \| good	8.321 \| good	15.193 \| good	13.14 \| good	0.218 \| good	5.629 \| good	0.141 \| good
2026-09-06T05:00:00.000Z	49 \| good	9.262 \| good	16.275 \| good	12.448 \| good	0.195 \| good	6.027 \| good	0.145 \| good
2026-09-06T06:00:00.000Z	52 \| moderate	9.743 \| good	17.056 \| good	12.15 \| good	0.23 \| good	7.327 \| good	0.15 \| good
2026-09-06T07:00:00.000Z	52 \| moderate	10.351 \| good	16.644 \| good	13.131 \| good	0.283 \| good	6.675 \| good	0.153 \| good
2026-09-06T08:00:00.000Z	49 \| good	9.451 \| good	14.626 \| good	25.356 \| good	0.355 \| good	5.186 \| good	0.149 \| good
2026-09-06T09:00:00.000Z	33 \| good	6.22 \| good	12.081 \| good	30.295 \| good	0.253 \| good	3.026 \| good	0.136 \| good
2026-09-06T10:00:00.000Z	31 \| good	5.281 \| good	11.478 \| good	32.896 \| good	0.173 \| good	2.194 \| good	0.127 \| good
2026-09-06T11:00:00.000Z	32 \| good	4.661 \| good	10.11 \| good	35.18 \| good	0.149 \| good	2.596 \| good	0.125 \| good
2026-09-06T12:00:00.000Z	36 \| good	4.621 \| good	9.449 \| good	39.201 \| good	0.141 \| good	2.149 \| good	0.123 \| good
2026-09-06T13:00:00.000Z	40 \| good	4.783 \| good	9.449 \| good	42.66 \| good	0.14 \| good	1.374 \| good	0.123 \| good
2026-09-06T14:00:00.000Z	42 \| good	4.542 \| good	10.044 \| good	45.485 \| good	0.135 \| good	1.044 \| good	0.123 \| good
2026-09-06T15:00:00.000Z	44 \| good	4.469 \| good	9.539 \| good	46.628 \| good	0.131 \| good	1.039 \| good	0.124 \| good
2026-09-06T16:00:00.000Z	43 \| good	4.438 \| good	9.14 \| good	45.865 \| good	0.138 \| good	1.354 \| good	0.124 \| good
2026-09-06T17:00:00.000Z	41 \| good	4.438 \| good	8.943 \| good	43.963 \| good	0.149 \| good	1.854 \| good	0.125 \| good
2026-09-06T18:00:00.000Z	39 \| good	4.346 \| good	8.578 \| good	41.542 \| good	0.159 \| good	2.64 \| good	0.126 \| good
2026-09-06T19:00:00.000Z	37 \| good	4.524 \| good	8.231 \| good	39.584 \| good	0.155 \| good	3.084 \| good	0.125 \| good
2026-09-06T20:00:00.000Z	37 \| good	4.493 \| good	8.602 \| good	39.726 \| good	0.139 \| good	3.138 \| good	0.125 \| good
2026-09-06T21:00:00.000Z	35 \| good	4.701 \| good	7.737 \| good	38.476 \| good	0.144 \| good	2.999 \| good	0.128 \| good
2026-09-06T22:00:00.000Z	33 \| good	4.758 \| good	7.181 \| good	36.401 \| good	0.143 \| good	3.054 \| good	0.129 \| 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 PM2.5 level in Colchester, Essex at the moment?

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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?

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?