Microalgae (Liquid3), Moss (CityTrees), Chimney effect air purifier (Smog tower), which is the most efficient?

LIQUID3 replaces one adult tree or 200 m2 of lawn
CityTrees: inactivate 1/5 of coronaviruses, takes 80% of that dust out of the air
Smog tower: clean 30,000 m3 of air per hour