IPA: /ɪn.səˈluː.brɪ.ti/
KK: /ɪnˈsæl.jʊ.brɪ.ti/
The state of being unhealthy or not good for health.
The insalubrity of the environment led to many health problems among the residents.
Insalubrity is formed from "in-" (meaning not) and "salubris" (from Latin, meaning healthful or wholesome) and the suffix "-ity" (meaning the state or quality of). The word describes the state of being not healthful or unhealthy.
Think of 'not' ('in-') being combined with 'healthful' ('salubris') to remember that insalubrity means the state of being unhealthy.