Many phone apps offer general but nonspecific information about airborne particles. To help increase public safety amidst LA fire season, scientists are making new, real-time, advanced air pollutant measurements available online for free to the public.
The Atmospheric Science and Measurement Network, or ASCENT project, is a state-of-the-art air quality monitoring network of 12 sites spread among urban and remote environments in the U.S., with three sites in Southern California. These are in Pico Rivera in Los Angeles, Rubidoux in Riverside, and Joshua Tree National Park.