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Air quality in Colchester
Air quality index (AQI) and PM2.5 air pollution in Colchester
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Colchester Air Quality Map
Real-time Colchester air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Colchester today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Colchester?
| Weather | Broken clouds |
| Temperature | 55.4°F |
| Humidity | 77% |
| Wind | 15 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Detroit, Michigan | 58 |
| 2 | Burns Harbor, Indiana | 57 |
| 3 | Hammond, Indiana | 57 |
| 4 | Saint Clair, Pennsylvania | 57 |
| 5 | Chicago, Illinois | 56 |
| 6 | Corpus Christi, Texas | 56 |
| 7 | Casa Grande, Arizona | 55 |
| 8 | Galveston, Texas | 55 |
| 9 | Michigan City, Indiana | 55 |
| 10 | San Antonio, Texas | 55 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
46*
live AQI index
Good
Overview
What is the current air quality in Colchester?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 46* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 11.1*µg/m³ | |
!
PM2.5
x2.2
PM2.5 concentration in Colchester is currently 2.2 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Colchester?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Colchester air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 46 AQI US |  90% | 60.8° 46.4° |  15.7 mp/h |
| Monday, Apr 29 | Good 23 AQI US | | 50° 39.2° | 13.4 mp/h |
| Tuesday, Apr 30 | Good 13 AQI US | 100% | 51.8° 42.8° | 8.9 mp/h |
| Wednesday, May 1 | Good 41 AQI US | 100% | 53.6° 42.8° | 6.7 mp/h |
| Thursday, May 2 | Moderate 51 AQI US  | | 59° 46.4° | 2.2 mp/h |
| Friday, May 3 | Moderate 62 AQI US | 100% | 55.4° 53.6° | 6.7 mp/h |
| Saturday, May 4 | Moderate 71 AQI US | 100% | 59° 51.8° | 11.2 mp/h |
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News
The latest air quality news and resources.
Where is the cleanest air quality in Colchester?
No locations are available.
AQI US, Metric