Despite claims to the contrary, UCLA’s air quality sensors are accurately reporting that campus air quality remains within healthy levels, said Yifang Zhu, a UCLA professor of environmental health sciences. She said the campus’ physical sensors are programmed to record the most relevant pollutant when it comes to air quality harmed by wildfires, attributing the healthy ranges to winds blowing from the north that were temporarily shielding UCLA.

“We’re blessed by the northern wind at this point” she said. “With the wind starting to die down, it’s eventually gonna shift back to normal, we’re gonna expect to see bad air coming towards us.”