This work was really fun for us (I think) and also shows a lot of our biases. We’ve been so focused on organic aerosol the past decade (at least in LA), that when we saw that the nitrate component was more abundant than the organic, we had to unearth the ancient texts on ammonium nitrate

They should read our new study. In Los Angeles Purple Air sensors are likely more accurate than the expensive sensors. www.science.org/doi/10.1126/...

Congratulations @haroula-baliaka.bsky.social An agent of change for sure! ccid.caltech.edu/events/signa...

From @haroula-baliaka.bsky.social: Elevated atmospheric lead levels during the Los Angeles urban fires www.cdc.gov/mmwr/volumes...

If you're wondering about ash and smoke and soot and what to do to start cleanup, here is a great explainer from Caltech atmospheric scientist Paul Wennberg @paulowennberg.bsky.social scienceexchange.caltech.edu/topics/susta...

This Friday (Jan 31) at 2pm PT, The Caltech Science Exchange will host a public webinar discussing the environmental impacts of the LA fires & lessons learned from previous urban wildfires. Details: scienceexchange.caltech.edu/connect/fires-… In partnership with RSI, Linde Center & KISS

@caltech.edu on #ASCENT www.caltech.edu/about/news/c...

In the light of current devastating fires in LA, #ASCENT_USA is making selected preliminary real-time data available for the public to be better informed of potential pollutant exposures. Please see link below to view data. ascent.research.gatech.edu/database

@caltech.edu’s Haroula Baliaka on the composition of smoke from the Eaton Fires www.nytimes.com/2025/01/20/c...