Advisory for Ozone (Orange)
| Start Time: | 6:02PM CT Thursday, August 23, 2012 |
| End Time: | 1:00AM CT Friday, August 24, 2012 |
| Counties: | Kenosha, Racine, Rock and Walworth |
AIR QUALITY INDEX CHART
| Air Quality Index (AQI) Values | Levels of Health Concern | Colors |
| When the AQI is in this range: | ...air quality conditions are: | ...as symbolized by this color: |
| 0 to 50 | Good | Green |
| 51 to 100 | Moderate | Yellow |
| 101 to 150 | Unhealthy for Sensitive Groups | Orange |
| 151 to 200 | Unhealthy | Red |
| 201 to 300 | Very Unhealthy | Purple |
| 301 to 500 | Hazardous | Maroon |
