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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 | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Colchester?
| Weather | Clear sky |
| Temperature | 69.8°F |
| Humidity | 66% |
| Wind | 0 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Thibodaux, Louisiana | 97 |
| 2 | Yucaipa, California | 83 |
| 3 | La Crescenta-Montrose, California | 80 |
| 4 | San Bernardino, California | 78 |
| 5 | Indio, California | 76 |
| 6 | Rapid City, South Dakota | 74 |
| 7 | Hammond, Indiana | 73 |
| 8 | Redlands, California | 73 |
| 9 | San Fernando, California | 73 |
| 10 | Fontana, California | 72 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
58*
live AQI index
Moderate
Overview
What is the current air quality in Colchester?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 58* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 13*µg/m³ | |
!
PM2.5
x2.6
PM2.5 concentration in Colchester is currently 2.6 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 |
|---|---|---|---|---|
| Today | Moderate 58 AQI US |  | 78.8° 59° |  8.9 mp/h |
| Saturday, May 18 | Moderate 65 AQI US |  70% | 80.6° 64.4° | 11.2 mp/h |
| Sunday, May 19 | Moderate 66 AQI US | 100% | 80.6° 64.4° | 15.7 mp/h |
| Monday, May 20 | Moderate 66 AQI US | 100% | 82.4° 66.2° | 20.1 mp/h |
| Tuesday, May 21 | Moderate 67 AQI US | 100% | 66.2° 53.6° | 15.7 mp/h |
| Wednesday, May 22 | Good 22 AQI US  | | 69.8° 48.2° | 6.7 mp/h |
| Thursday, May 23 | Good 13 AQI US | | 73.4° 53.6° | 15.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in Colchester?
No locations are available.
AQI US, Metric