1. COSMIC WEATHER, ATMOSPHERIC NANOAEROSOLS, and HUMAN HEALTH A.A. Lushnikov, Yu.S. Lyubovtseva, V.A. Zagaynov, and A.D. Gvishiani Geophysical Center of RAS, Moscow, Karpov Institute of Physical Chemistry, Moscow

3. RIGHT AFTER THE SUN FLARE

4. COMING UP Introduction Cosmic weather and electrical state of the atmosphere Nanoaerosols, where are they from? Ion - aerosol interactions and cloud formation: from nanos to CCN Nanos – interactions with human organisms Concluding remarks

5. INTRODUCTION: ATMOSPHERIC AEROSOLS Clusters (size<1 nm) Nanoparticles (1 -- 50nm) Submicron particles (50 – 100nm) Micron particles (100 – 1000 nm) Coarse particles (>1000nm)

6. Cosmic rays induced aerosol is coming up COSMIC RAYS ATMOSPHERIC IONS NUCLEATION CONDENSATION COAGULATION CLOUD CONDENSATION NUCLEI CLOUDS

7. Full model of aerosol formation

8. NUCLEATION BURST

9. Nucleation rate vs negative ion concentration

10. NUCLEATION BURST TIME SIZE

11. NUCLEATION BURST TIME SIZE

12. Condensation: transport from carrier gas Diffusion zone Kinetic zone R>>l a R

13. Characteristic lengths Ion mean free path Coulomb’s length

14. STRATOSPHERIC CLOUDS

15. CONCLUDING REMARKS From cosmic rays to clouds is one of the most important processes. The very existence of life is not possible without aerosols. Cosmic weather is the important factor that exerts formation of secondary aerosols in the atmosphere

16. NUCLEATION RATES

18. RATE OF CHARGE FORMATION

19. ANGSTROM EXPONENT and CN PRODUCTION

20. AE and CN CONCENTRATIONS

21. SOLAR ACTIVITY and AEROSOLS

28. Charge enhances condensational growth

29. Ion induced nucleation I

30. Ion induced nucleation II

39. 1/cm 3 DIURNAL VARIATIONS OF PARTICLE NUMBER CONCENTRATION (lake Baikal)

40. Particle size distribution

41. Ion induced nucleation III

42. Ion induced nucleation IV

43. Mondy station. 27.07.03 1/ с m 3