of philadelphia where the air quality has been declared very unhealthy. you can see the haze sitting over top. we want to show you also, take a look, this is a life picture from new york city right now. that is a vast improvement and it s not good. the smoke gave new york a new distinct and one it has never wanted. the city with the world s worst air quality right now. incredibly today appears to be a slight improvement from yesterday when new yorkers were facing this. it was this strange other worldly orange world that you could not escape. let me show you a time lapse that we put together. the city skyline disappearing over a period of hours in behind this orange haze. the poor visibility is forcing more delays today. laguardia airport facing another ground stop. this was yesterday shows what it was like for passengers landing at the airport. you can imagine coming in, descending through this cloud of