The highest AQ index in Wisconsin (as of 2:00 CST) is currently the Grant County area. Particle Pollution (PM2.5) is measuring at 34 (Good). This means air quality is satisfactory, and air pollution poses little or no risk.
Over the next few days, the highest Particle Pollution (PM2.5) will be in the Ashland County area. It is forecasted to be Good, meaning air quality is satisfactory, and air pollution poses little or no risk.
| 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 |
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Below is a list of counties in Wisconsin. Click on any county below and you'll get a list of cities where we provide AQ index forecasts.