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The area with the highest AQ Index (as of 18:00 CST) in is in the Rapid City area. Ozone (OZONE) is measuring at 45 (Good). This means air quality is satisfactory, and air pollution poses little or no risk.
Over the next few days, the highest primary air pollutant will be Ozone (OZONE) in the Rapid City 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 Perkins County, South Dakota. 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 18 minutes ago
Below is a list of cities in Perkins 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.
| Lemmon | Bison | Prairie City |