“…While numerous factors have been recognized in affecting suicidal thoughts and behaviors (STB), such as, life stresses, chronic pain and illness, conflict, disaster, violence, losses, et al [6], the environmental risks have been poorly understood. As a heatedly discussed dimension, air pollution has a detrimental impact on individual health, including higher rates of mortality [11][12][13][14][15], increased incidence of stroke [16], respiratory diseases [17][18][19], and lung and cardiovascular dysfunction [20][21][22][23][24][25][26], to name a few. In fact, air pollution has been revealed to be complicit in over 4 million deaths globally since 2015 [27].…”