Tuukka Petäjä

TL;DR: In this paper , a method to measure atmospheric primary nanoparticles, secondary nanoparticles and microparticles data is presented, which allows researchers to collect, measure, store and characterize atmospheric nanoparticles properties including their electric charge.

TL;DR: In this paper, the authors explore the RS yields of fine PM from remote forest (Hyytiala, Finland) and polluted urban air (Mainz, Germany and Beijing, China) and relate these yields to different chemical constituents and reaction mechanisms.

TL;DR: Li et al. as discussed by the authors performed source apportionment analyses using both chemical fingerprints and particle size distributions measured at the same site in urban Beijing from April to July 2018, which resolved factors related to primary emissions, including vehicular emissions and cooking emissions, which together make up 76% and 24% of total particle number and organic aerosol (OA) mass, respectively.

TL;DR: In this article, the authors measured the concentration, size distribution and hygroscopicity of the atmospheric aerosol particles and found that the size distribution consisted of two separate modes, one peaking at 50 nm and the other at 200 nm.

TL;DR: In this article, the authors show that biomass burning aerosols aloft strongly increase the low-cloud coverage over both land and ocean in subtropical southeastern Asia, and the degree of this enhancement and its spatial extent are comparable to that in the Southeast Atlantic, even though biomass burning emissions in Southeast Asia are only one third of those in Southern Africa.