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The area with the highest AQ Index (as of 8:00 EST) in is in the Catawba Indian Nation area. Particle Pollution (PM2.5) is measuring at 53 (Moderate). This means air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.
Over the next few days, the highest primary air pollutant will be Ozone (OZONE) in the York, Chester, and Lancaster area. It is forecasted to be 0 (Good), meaning air quality is satisfactory, and air pollution poses little or no risk.
Below is a clickable map of Chester County, South Carolina. The markers on the map identify large, populated cities. If you hover over a marker, it will display the city name and the current AQ index. The color of the city markers also references the current AQ risk level.
| Range | 0 - 50 | 51 - 100 | 101 - 150 | 151 - 200 | 201 - 300 | 301 - 500 |
| Color | ||||||
| Category | Good | Moderate | Unhealthy for Sensitive Groups | Unhealthy | Very Unhealthy | Hazardous |
Last Updated 4 minutes ago
Below is a list of cities in Chester County where we track and forecast the AQ index. Click on a city name to get the current AQ index as well as any available forcasts.
| Chester | Eureka Mill | Great Falls | Fort Lawn | Gayle Mill |
| Richburg | Lowrys |