Depending on the time of year, it is also filled with pollen and other spores, as well as seeds and ​ — in certain areas — ​ thousands of different kinds of microbes.
Tergantung musimnya, atmosfer juga penuh dengan serbuk sari serta spora lainnya, benih, dan ​ — di daerah tertentu — ​ ribuan jenis mikroba.