Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Colchester
Air quality index (AQI) and PM2.5 air pollution in Colchester
26.4K people follow this city
Colchester Air Quality Map
Real-time Colchester air pollution map
AIR QUALITY DATA CONTRIBUTORS
Anonymous contributor
See all
Pollen
What is the pollen count in Colchester today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Colchester?
| Weather | Broken clouds |
| Temperature | 48.2°F |
| Humidity | 88% |
| Wind | 6.9 mp/h |
| Pressure | 30.2 Hg |
live aqi city ranking
Real-time United Kingdom city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Cardiff, Wales | 76 |
| 2 | Rainham, England | 65 |
| 3 | Canary Wharf, England | 64 |
| 4 | Southall, England | 64 |
| 5 | Erith, England | 62 |
| 6 | Peckham, England | 62 |
| 7 | Brixton Hill, England | 61 |
| 8 | East Ham, England | 61 |
| 9 | Luton, England | 61 |
| 10 | Stevenage, England | 61 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Colchester aqi ranking
Real-time Colchester air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Stanway Green 2 | 65 |
(local time)
SEE WORLD AQI RANKING
US AQI
65
live AQI index
Moderate
Overview
What is the current air quality in Colchester?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 65 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 16.9µg/m³ | |
!
PM2.5
x3.4
PM2.5 concentration in Colchester is currently 3.4 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Colchester?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
Colchester air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, May 8 | Good 33 AQI US  |  | 59° 42.8° |  6.7 mp/h |
| Thursday, May 9 | Moderate 52 AQI US |  | 62.6° 46.4° | 6.7 mp/h |
| Friday, May 10 | Moderate 56 AQI US | | 62.6° 50° | 8.9 mp/h |
| Today | Moderate 65 AQI US | | 60.8° 48.2° | 11.2 mp/h |
| Sunday, May 12 | Moderate 62 AQI US | 50% | 62.6° 51.8° | 11.2 mp/h |
| Monday, May 13 | Moderate 51 AQI US | 50% | 60.8° 50° | 15.7 mp/h |
| Tuesday, May 14 | Good 24 AQI US | 100% | 57.2° 51.8° | 17.9 mp/h |
| Wednesday, May 15 | Good 16 AQI US | 40% | 57.2° 50° | 13.4 mp/h |
| Thursday, May 16 | Good 39 AQI US | 70% | 57.2° 46.4° | 6.7 mp/h |
| Friday, May 17 | Moderate 58 AQI US | 100% | 57.2° 48.2° | 6.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Colchester air quality data attribution
1Contributor
- 1 Anonymous contributor
1 station
Anonymous Contributor
1 Data source
Data validated and calibrated by IQAirWhere is the cleanest air quality in Colchester?
AQI US, Metric