Aku Helin

Characteristics and source apportionment of black carbon in the Helsinki metropolitan area, Finland

Aku Helin, Jarkko V. Niemi, Aki Virkkula et al. · Atmospheric Environment · 2018 · 242 citations · Full text

Public Health, Environmental Sciences, Air Pollution +14

Variation of Absorption Ångström Exponent in Aerosols From Different Emission Sources

Aku Helin, Aki Virkkula, John Backman et al. · Journal of Geophysical Research Atmospheres · 2021 · 116 citations · Full text

Natural Sciences, Environmental Sciences, Air Pollution +16

Solid phase microextraction Arrow for the sampling of volatile amines in wastewater and atmosphere

Aku Helin, Tuukka Rönkkö, Jevgeni Parshintsev et al. · Journal of Chromatography A · 2015 · 113 citations

Natural Sciences, Chemical Engineering, Chemistry +14

Spatiotemporal variation and trends in equivalent black carbon in the Helsinki metropolitan area in Finland

Krista Luoma, Jarkko V. Niemi, Minna Aurela et al. · Atmospheric chemistry and physics · 2021 · 79 citations · Full text

Natural Sciences, Earth Sciences, Environmental Sciences +15

Characterization of free amino acids, bacteria and fungi in size-segregated atmospheric aerosols in boreal forest: seasonal patterns, abundances and size distributions

Aku Helin, Outi‐Maaria Sietiö, Jussi Heinonsalo et al. · Atmospheric chemistry and physics · 2017 · 70 citations · Full text

Natural Sciences, Microbiology, Air Pollution +16