Be the first to measure and contribute air quality data to your community
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Chester
Air quality index (AQI) and PM2.5 air pollution in Chester
26 people follow this city
Chester Air Quality Map
Real-time Chester air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Chester today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Chester?
| Weather | Broken clouds |
| Temperature | 59°F |
| Humidity | 91% |
| Wind | 0 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Baton Rouge, Louisiana | 94 |
| 2 | Thibodaux, Louisiana | 89 |
| 3 | Yucaipa, California | 85 |
| 4 | Mecca, California | 76 |
| 5 | Redlands, California | 72 |
| 6 | Lake Arrowhead, California | 71 |
| 7 | Graeagle, California | 69 |
| 8 | Kalamazoo, Michigan | 69 |
| 9 | Hammond, Indiana | 68 |
| 10 | San Bernardino, California | 67 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
59*
live AQI index
Moderate
Overview
What is the current air quality in Chester?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 59* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 13.5*µg/m³ | |
!
PM2.5
x2.7
PM2.5 concentration in Chester is currently 2.7 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Chester?
 | 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
Chester air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 59 AQI US | | 59° 53.6° |  2.2 mp/h |
| Sunday, May 19 | Good 48 AQI US  |  | 71.6° 48.2° | 4.5 mp/h |
| Monday, May 20 | Good 36 AQI US | | 77° 51.8° | 4.5 mp/h |
| Tuesday, May 21 | Moderate 58 AQI US |  | 80.6° 53.6° | 6.7 mp/h |
| Wednesday, May 22 | Moderate 71 AQI US | | 82.4° 57.2° | 11.2 mp/h |
| Thursday, May 23 | Moderate 66 AQI US |  100% | 80.6° 59° | 11.2 mp/h |
| Friday, May 24 | Moderate 53 AQI US | | 62.6° 44.6° | 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 Chester?
No locations are available.
AQI US, Metric