The highest AQ index in Delaware (as of 16:00 EDT) is currently the Sussex County area. Ozone (OZONE) is measuring at 38 (Good). This means air quality is satisfactory, and air pollution poses little or no risk.
Over the next few days, the highest Ozone (OZONE) will be in the Greater New Castle County area. It is forecasted to be Moderate, meaning air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.
Tuesday, September 8 and Wednesday, September 9: Southwesterly winds will gradually transport regional pollutants into the First State. In addition, partly to mostly sunny skies and temperatures in the mid-80s will increase ozone development. As a result, AQI levels are anticipated to be low-Moderate for ozone and PM2.5 on both days. Thursday, temperatures in the upper-80s will aid ozone formation. However, a passing cold front will enhance low-level mixing and generate scattered thunderstorms, limiting ozone production. Therefore, AQI levels are anticipated to be high-Good for ozone and Good for PM2.5.
| 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 1 minutes ago
Below is a list of counties in Delaware. Click on any county below and you'll get a list of cities where we provide AQ index forecasts.
| Kent | New Castle | Sussex |