There are signs of improving air quality in the Northeast, particularly in cities like Pittsburgh and across Central Pennsylvania, as meteorologists report a shift in wind patterns and upcoming thunderstorms that will help dissipate wildfire smoke. However, air quality alerts remain in effect for the Philadelphia region, where events continue under hazardous conditions with a Code Orange alert issued. Some cities are anticipated to experience temporary relief from wildfire smoke over the weekend, although challenges persist in the Midwest. Meanwhile, Philadelphia has suspended trash collection and closed pools due to the air quality issues. Overall, the forecast suggests an improving trend in air quality across the Eastern United States as storms roll in to cleanse the atmosphere.