The area with the highest AQ Index (as of 16:00 EDT) in is in the Columbus area. Ozone (OZONE) is measuring at 44 (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 Columbus area. It is forecasted to be 87 (Moderate), meaning air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.
Below is a clickable map of Knox County, Ohio. 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 12 minutes ago
Below is a list of cities in Knox 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.
| Mount Vernon | Apple Valley | Fredericktown | Gambier | Centerburg |
| Danville | South Mount Vernon | Bladensburg | Martinsburg | Howard |
| Gann |