The highest AQ index in Pennsylvania (as of 18:00 EDT) is currently the Pittsburgh area. Ozone (OZONE) is measuring at 64 (Moderate). This means air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.
Over the next few days, the highest Ozone (OZONE) will be in the Susquehanna Valley 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.
Current Conditions at 3 p.m. EDT this Wednesday afternoon: Skies are mostly sunny across the area with temperatures rising to the lower 80s. The air will continue to have a summer like feel to it through the day Thursday as winds remain southerly. A thunderstorm is likely late in the day or in the evening. Here are the forecast details: *** Thursday’s forecast: Partly sunny, rather warm and humid Thursday as highs reach into the middle 80s. A thunderstorm will also occur late in the day or in the evening. Ozone and PM2.5 will also jump into the moderate range. *** Extended forecast: Friday turns out mostly sunny with lower humidity, but still warm with highs in the lower 80s. Ozone and PM2.5 will improve to the good range. Sunshine, then some clouds coming in Saturday with a seasonably mild afternoon in the middle 70s with continued good air quality. Things then turn unsettled Sunday and Monday with low pressure passing just to the south and a chance for showers each day. Air quality good for Sunday, and high good to lower moderate Monday.---McAuliffe
| 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 Pennsylvania. Click on any county below and you'll get a list of cities where we provide AQ index forecasts.