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
327 people follow this city
Chester Air Quality Map
Real-time Chester air pollution map
AIR QUALITY DATA CONTRIBUTORS
4 Contributors
See all
Pollen
What is the pollen count in Chester today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Chester?
| Weather | Rain |
| Temperature | 64.4°F |
| Humidity | 90% |
| Wind | 4.6 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Corpus Christi, Texas | 89 |
| 2 | Tulsa, Oklahoma | 77 |
| 3 | Houston, Texas | 71 |
| 4 | Indio, California | 69 |
| 5 | Mecca, California | 69 |
| 6 | Redlands, California | 69 |
| 7 | Cedar Park, Texas | 68 |
| 8 | Glendale, California | 68 |
| 9 | Philadelphia, Pennsylvania | 67 |
| 10 | San Bernardino, California | 67 |
(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 | Martin Luther King Park | 60 |
| 2 | Widener University - Kirkbride Hall | 60 |
| 3 | Chester Station | 53 |
| 4 | North Reeds Road 2 | 49 |
(local time)
SEE WORLD AQI RANKING
US AQI
60
live AQI index
Moderate
Overview
What is the current air quality in Chester?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 60 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 13.7µg/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 |
|---|---|---|---|---|
| Wednesday, May 15 | Good 29 AQI US  |  | 64.4° 59° |  11.2 mp/h |
| Thursday, May 16 | Good 27 AQI US | | 68° 59° | 6.7 mp/h |
| Friday, May 17 | Moderate 55 AQI US | | 64.4° 57.2° | 2.2 mp/h |
| Today | Moderate 60 AQI US | 100% | 64.4° 57.2° | 2.2 mp/h |
| Sunday, May 19 | Moderate 51 AQI US | 20% | 71.6° 55.4° | 6.7 mp/h |
| Monday, May 20 | Good 50 AQI US |  | 78.8° 55.4° | 6.7 mp/h |
| Tuesday, May 21 | Good 42 AQI US |  | 80.6° 55.4° | 8.9 mp/h |
| Wednesday, May 22 | Good 42 AQI US | | 82.4° 57.2° | 8.9 mp/h |
| Thursday, May 23 | Good 42 AQI US | 60% | 78.8° 64.4° | 8.9 mp/h |
| Friday, May 24 | Good 49 AQI US | | 75.2° 59° | 6.7 mp/h |
| Saturday, May 25 | Good 38 AQI US | | 75.2° 59° | 6.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Chester air quality data attribution
3 Data sources
Data validated and calibrated by IQAirWhere is the cleanest air quality in Chester?
AQI US, Metric