Annual PM2.5 concentrations for Cairo and Egypt, along with the WHO guideline, the ratio to that guideline, and source notes.

cairo-air-quality-pm25-annual-measurements

environment-and-climate

Annual PM2.5 concentration for Cairo in micrograms per cubic meter.

Modeled national annual PM2.5 concentration for Egypt in micrograms per cubic meter.

World Health Organization annual PM2.5 guideline in micrograms per cubic meter.

Multiple of the WHO annual PM2.5 guideline represented by Cairo's concentration.

Source note describing the data provenance for each year.