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 Chester
Air quality index (AQI) and PM2.5 air pollution in Chester
333 people follow this city
Chester Air Quality Map
Real-time Chester air pollution map
AIR QUALITY DATA CONTRIBUTORS
3 Contributors
See all
Pollen
What is the pollen count in Chester today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Chester?
| Weather | Broken clouds |
| Temperature | 69.8°F |
| Humidity | 54% |
| Wind | 2 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Boerne, Texas | 96 |
| 2 | Austin, Texas | 86 |
| 3 | New Braunfels, Texas | 84 |
| 4 | Georgetown, Texas | 81 |
| 5 | Round Rock, Texas | 81 |
| 6 | San Antonio, Texas | 81 |
| 7 | Cedar Park, Texas | 77 |
| 8 | Leander, Texas | 76 |
| 9 | San Fernando, California | 70 |
| 10 | Hollywood, California | 66 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Chester aqi ranking
Real-time Chester air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | North Reeds Road 2 | 47 |
| 2 | Chester Station | 45 |
| 3 | Martin Luther King Park | 21 |
(local time)
SEE WORLD AQI RANKING
US AQI
45
live AQI index
Good
Overview
What is the current air quality in Chester?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 45 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 8.1µg/m³ | |
| O3 | 110µg/m³ | |
| NO2 | 6.4µg/m³ | |
!
PM2.5
x1.6
PM2.5 concentration in Chester is currently 1.6 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 |
|---|---|---|---|---|
| Wednesday, May 29 | Good 29 AQI US |  | 69.8° 53.6° |  11.2 mp/h |
| Thursday, May 30 | Good 32 AQI US |  | 73.4° 51.8° | 8.9 mp/h |
| Friday, May 31 | Good 35 AQI US | | 80.6° 57.2° | 6.7 mp/h |
| Today | Good 45 AQI US | | 78.8° 59° | 8.9 mp/h |
| Sunday, Jun 2 | Moderate 55 AQI US  | 40% | 80.6° 64.4° | 6.7 mp/h |
| Monday, Jun 3 | Good 49 AQI US | | 82.4° 60.8° | 8.9 mp/h |
| Tuesday, Jun 4 | Good 23 AQI US | 100% | 82.4° 60.8° | 11.2 mp/h |
| Wednesday, Jun 5 | Good 36 AQI US | 100% | 86° 66.2° | 11.2 mp/h |
| Thursday, Jun 6 | Good 49 AQI US | 90% | 75.2° 64.4° | 15.7 mp/h |
| Friday, Jun 7 | Good 40 AQI US | 40% | 82.4° 59° | 13.4 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Chester air quality data attribution
3 Data sources
Data validated and calibrated by IQAirWhere is the cleanest air quality in Chester?
AQI US, Metric