def

pm25

Particulate Matter 2.5; atmospheric pollutant of fine particles with/ an aerodynamic diameter of 2.5 micrometers or less

meta

def pm25
doc See above
is airQuality
lib phScience
prefUnit µg/m³, ppb
quantityOf air

supertypes

marker

Marker labels a dict with typing information

    quantity

Measurable property of a substance or phenomenon

        airQuality

Measurement of contaminants in the air

tags

quantityOf

Associates quantity as measurement of a phenomenon