Chlorine levels around the BioLab factor that burned ... It includes 8 air quality sensors clustered nearby. People who have a non-emergency reaction to the smells can call the special hotline ...

Researchers contributing to the ASCENT network of air quality sensors observed spikes in lead and chlorine downwind from the Eaton Fire – and their measurements are now publicly available.

Levels of chlorine, which is also toxic at low concentrations, reached 40 times the average. The spiking levels underscore the added danger from wildfires when cars, homes, and other structures ...