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
30 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 | N/A |
 | Tree pollen | N/A |
 | Grass pollen | N/A |
 | Weed pollen | N/A |
Weather
What is the current weather in Chester?
| Weather | Scattered clouds |
| Temperature | 73.4°F |
| Humidity | 40% |
| Wind | 4.6 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Savannah, Georgia | 95 |
| 2 | Hamilton, Montana | 80 |
| 3 | Anchorage, Alaska | 79 |
| 4 | Maricopa, Arizona | 77 |
| 5 | Casa Grande, Arizona | 74 |
| 6 | Georgetown, Texas | 69 |
| 7 | Fairbanks, Alaska | 67 |
| 8 | Pahrump, Nevada | 57 |
| 9 | Missoula, Montana | 56 |
| 10 | Coachella, California | 55 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
48*
live AQI index
Good
Overview
What is the current air quality in Chester?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 48* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 11.6*µg/m³ | |
!
PM2.5
x2.3
PM2.5 concentration in Chester is currently 2.3 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Chester?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Chester air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 48 AQI US |  40% | 73.4° 48.2° |  8.9 mp/h |
| Thursday, Apr 25 | Good 46 AQI US |  | 75.2° 48.2° | 6.7 mp/h |
| Friday, Apr 26 | Good 41 AQI US | 50% | 68° 53.6° | 8.9 mp/h |
| Saturday, Apr 27 | Moderate 54 AQI US  | | 75.2° 51.8° | 6.7 mp/h |
| Sunday, Apr 28 | Good 45 AQI US | 20% | 73.4° 55.4° | 4.5 mp/h |
| Monday, Apr 29 | Good 32 AQI US | | 80.6° 55.4° | 6.7 mp/h |
| Tuesday, Apr 30 | Good 26 AQI US | 70% | 82.4° 57.2° | 6.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Where is the cleanest air quality in Chester?
No locations are available.
AQI US, Metric